CN205384312U - Intelligence over - voltage detection circuit system - Google Patents
Intelligence over - voltage detection circuit system Download PDFInfo
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- CN205384312U CN205384312U CN201620102968.XU CN201620102968U CN205384312U CN 205384312 U CN205384312 U CN 205384312U CN 201620102968 U CN201620102968 U CN 201620102968U CN 205384312 U CN205384312 U CN 205384312U
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Abstract
The utility model discloses an intelligence over - voltage detection circuit system, including diode D1, resistance R1, electric capacity C1, emitting diode LED, triode VT1, diode D2 and triode VT2, the anodal voltage sampling end vi that connects of diode D1, diode D1 negative pole connecting resistance R1, the resistance R1 other end is connecting resistance R2 respectively, electric capacity C1 and emitting diode LED are anodal, diode D2 negative pole is connected to the emitting diode LED negative pole, diode D2 anodal connecting resistance R6 and triode VT1 base respectively, triode VT1 projecting pole is connecting resistance R5 and triode VT2 projecting pole respectively, triode VT1 collecting electrode and resistance R3 are connected respectively to triode VT2 base. The utility model discloses intelligence over - voltage detection circuit system can set for different detection excessive pressure values through setting for different component values to feed back to single chip microcomputer control, circuit structure is simple, and application scope is wide.
Description
Technical field
This utility model relates to a kind of testing circuit, specifically a kind of intelligence over-voltage detection circuit system.
Background technology
Along with popularizing of present electrical equipment, bringing revolutionary change to industrial and agricultural production, Defence business, science and technology, accelerate the development of society, people have stepped into Electrification Age, also the quality of life making people obtains and is greatly improved, and also increasingly be unable to do without these electric equipments.Along with the development of science and technology, the precision of electric equipment also gradually steps up, and there occurs earth-shaking change, but how to protect the not interfered by outside of these electric equipments, has become the subject matter that current development in science and technology is paid close attention to.The electrical network of current China is popularized, and huge network system gives us many convenience.But the user being as accessing electrical network increases, and the variation of consumer electronics, also result in the instability of line voltage, voltage fluctuated, also become the principal element damaging electric equipment.How accurately to detect when change in voltage is bigger and to be controlled, to be always up in industry the emphasis studied.
Utility model content
The purpose of this utility model is in that to provide a kind of intelligence over-voltage detection circuit system, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
nullA kind of intelligence over-voltage detection circuit system，Including diode D1、Resistance R1、Electric capacity C1、LED、Audion VT1、Diode D2 and audion VT2，Described diode D1 positive pole connects voltage sampling end Vi，Diode D1 negative pole connects resistance R1，The resistance R1 other end connects resistance R2 respectively、Electric capacity C1 and LED positive pole，LED negative pole connects diode D2 negative pole，Diode D2 positive pole connects resistance R6 and audion VT1 base stage respectively，Audion VT1 emitter stage connects resistance R5 and audion VT2 emitter stage respectively，Audion VT2 base stage is connecting triode VT1 colelctor electrode and resistance R3 respectively，The resistance R3 other end connects resistance R4 and power supply VCC respectively，The resistance R4 other end is connecting triode VT2 colelctor electrode and output end vo respectively，The described resistance R5 other end connects the resistance R6 other end respectively、The electric capacity C1 other end and the resistance R2 other end ground connection.
As further program of the utility model: described diode D2 is Zener diode.
As further program of the utility model: described output end vo connects single-chip microcomputer voltage detecting I/O mouth.
As this utility model further scheme: described power supply VCC voltage is 5V.
Compared with prior art, the beneficial effects of the utility model are: this utility model intelligence over-voltage detection circuit system is by setting different component values, it is possible to sets different detection overpressure value, and feeds back to Single-chip Controlling, and circuit structure is simple, applied widely.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of intelligence over-voltage detection circuit system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of intelligence over-voltage detection circuit system，Including diode D1、Resistance R1、Electric capacity C1、LED、Audion VT1、Diode D2 and audion VT2，Described diode D1 positive pole connects voltage sampling end Vi，Diode D1 negative pole connects resistance R1，The resistance R1 other end connects resistance R2 respectively、Electric capacity C1 and LED positive pole，LED negative pole connects diode D2 negative pole，Diode D2 positive pole connects resistance R6 and audion VT1 base stage respectively，Audion VT1 emitter stage connects resistance R5 and audion VT2 emitter stage respectively，Audion VT2 base stage is connecting triode VT1 colelctor electrode and resistance R3 respectively，The resistance R3 other end connects resistance R4 and power supply VCC respectively，The resistance R4 other end is connecting triode VT2 colelctor electrode and output end vo respectively，The described resistance R5 other end connects the resistance R6 other end respectively、The electric capacity C1 other end and the resistance R2 other end ground connection；Described diode D2 is Zener diode；Described output end vo connects single-chip microcomputer voltage detecting I/O mouth；Described power supply VCC voltage is 5V.
Operation principle of the present utility model is: refer to Fig. 1, the model of each component parameters and Zener diode D2 by arranging circuit, it is possible to arrange different voltage operation values.When the K point voltage voltage stabilizing value less than D2, D2 is not turned on, and audion VT1 ends, power supply VCC is added to audion VT2 base stage by resistance R3, audion VT2 turns on, and the voltage in VT2 colelctor electrode output range of normal value, single-chip microcomputer voltage detecting I/O mouth judges that voltage is normal；When the K point voltage voltage stabilizing value more than D2; D2 turns on; audion VT1 and VT2 is both turned on; LED luminescence indicates; now VT2 base voltage position power supply VCC is by the voltage after resistance R3 and audion VT1 collector voltage sum; this voltage input single-chip microcomputer voltage detecting I/O mouth, single-chip microcomputer voltage detecting I/O mouth judges that this value is more than setting value, single-chip microcomputer output over-voltage protection signal.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
- null1. an intelligent over-voltage detection circuit system，Including diode D1、Resistance R1、Electric capacity C1、LED、Audion VT1、Diode D2 and audion VT2，It is characterized in that，Described diode D1 positive pole connects voltage sampling end Vi，Diode D1 negative pole connects resistance R1，The resistance R1 other end connects resistance R2 respectively、Electric capacity C1 and LED positive pole，LED negative pole connects diode D2 negative pole，Diode D2 positive pole connects resistance R6 and audion VT1 base stage respectively，Audion VT1 emitter stage connects resistance R5 and audion VT2 emitter stage respectively，Audion VT2 base stage is connecting triode VT1 colelctor electrode and resistance R3 respectively，The resistance R3 other end connects resistance R4 and power supply VCC respectively，The resistance R4 other end is connecting triode VT2 colelctor electrode and output end vo respectively，The described resistance R5 other end connects the resistance R6 other end respectively、The electric capacity C1 other end and the resistance R2 other end ground connection.
- 2. intelligence over-voltage detection circuit system according to claim 1, it is characterised in that described diode D2 is Zener diode.
- 3. intelligence over-voltage detection circuit system according to claim 1, it is characterised in that described output end vo connects single-chip microcomputer voltage detecting I/O mouth.
- 4. intelligence over-voltage detection circuit system according to claim 1, it is characterised in that described power supply VCC voltage is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102968.XU CN205384312U (en) | 2016-02-02 | 2016-02-02 | Intelligence over - voltage detection circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102968.XU CN205384312U (en) | 2016-02-02 | 2016-02-02 | Intelligence over - voltage detection circuit system |
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| CN205384312U true CN205384312U (en) | 2016-07-13 |
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| CN201620102968.XU Active CN205384312U (en) | 2016-02-02 | 2016-02-02 | Intelligence over - voltage detection circuit system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370427A (en) * | 2016-09-22 | 2017-11-21 | 淮阴师范学院 | A kind of SCM Based step motor control system |
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2016
- 2016-02-02 CN CN201620102968.XU patent/CN205384312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370427A (en) * | 2016-09-22 | 2017-11-21 | 淮阴师范学院 | A kind of SCM Based step motor control system |
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