CN204089597U - A kind of microcomputer controlled voltage dropping silicon chain circuit - Google Patents
A kind of microcomputer controlled voltage dropping silicon chain circuit Download PDFInfo
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- CN204089597U CN204089597U CN201420665177.9U CN201420665177U CN204089597U CN 204089597 U CN204089597 U CN 204089597U CN 201420665177 U CN201420665177 U CN 201420665177U CN 204089597 U CN204089597 U CN 204089597U
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Abstract
The utility model discloses a kind of microcomputer controlled voltage dropping silicon chain circuit, comprise single-chip microcomputer U1, display module, alarm module, storage battery E1 and relay J 1.The utility model adopts the voltage regulating mode of voltage dropping silicon chain, the pressure regulation capacity of closing bus bar is configured according to the maximum discharge capacity of combined floodgate load, the pressure regulation capacity of control bus is configured according to the maximum impact electric current of control overhead, the utility model closing bus bar does not use pressure regulation unit and directly uses storage battery E1 and storage battery E2 to power, make system simple and be convenient to safeguard, this circuit also has manual mode, when automatic Regulation function is made mistakes, can manual voltage regulation be transformed into, guarantee the reliable power supply of control bus.
Description
Technical field
The utility model relates to a kind of reduction voltage circuit, specifically a kind of microcomputer controlled voltage dropping silicon chain circuit.
Background technology
Newly-built and the transformation of the integrated automation converting station that current electric power system is a large amount of, a large amount of current and power supply screens is applied in electric power system, for making system configuration reasonable, can be more reliable, stable provide DC power supply for transformer station, guarantee normal, the reliability service of converting equipment, wherein for control bus provides the pressure regulation cell operation status of stabling current voltage of crucial importance.
utility model content
The purpose of this utility model is to provide a kind of reliable and stable microcomputer controlled voltage dropping silicon chain circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of microcomputer controlled voltage dropping silicon chain circuit, comprise single-chip microcomputer U1, display module, alarm module, storage battery E1 and relay J 1, described single-chip microcomputer pin PA0 connects potentiometer RP1 slide plate, potentiometer RP1 one end connects storage battery E1 positive pole and ground connection, storage battery E1 negative pole connects storage battery E2 positive pole, storage battery E2 negative pole connects diode D1 positive pole respectively, relay J 1 contact J1-1 and resistance R4, the resistance R4 other end connects the potentiometer RP1 other end, described diode D1 negative pole connects diode D2 positive pole successively, diode D3 positive pole and diode D4 positive pole, diode D4 negative pole connects the relay J 1 contact J1-1 other end respectively, relay J 2 contact J2-1 and diode D5 positive pole, diode D5 negative pole connects diode D6 positive pole, diode D6 negative pole connects diode D7 positive pole respectively, the relay J 2 contact J2-1 other end and relay J 3 contact J3-1, diode D7 negative pole connects the relay J 3 contact J3-1 other end respectively, resistance R5 and control bus, the resistance R5 other end connects potentiometer RP2, potentiometer RP2 other end ground connection, potentiometer RP2 slide plate connects single-chip microcomputer U1 pin PA1, single-chip microcomputer U1 pin PC4 is by resistance R1 connecting triode VT1 base stage, triode VT1 grounded emitter, triode VT1 collector electrode connects power supply VCC by relay J 1 coil, described single-chip microcomputer U1 pin PC5 is by resistance R2 connecting triode VT2 base stage, triode VT2 grounded emitter, triode VT2 collector electrode connects power supply VCC by relay J 2 coil, described single-chip microcomputer U1 pin PC6 is by resistance R3 connecting triode VT3 base stage, triode VT3 grounded emitter, triode VT3 collector electrode connects power supply VCC by relay J 3 coil, described single-chip microcomputer U1 pin VCC connects single-chip microcomputer U1 pin AREF and power supply VCC respectively, single-chip microcomputer U1 pin GND ground connection, single-chip microcomputer U1 pin XTAL2 connects electric capacity C1 and crystal oscillator Y respectively, single-chip microcomputer U1 pin XTAL2 connects the crystal oscillator Y other end and electric capacity C2 respectively, the electric capacity C2 other end connects the electric capacity C1 other end and ground connection, described single-chip microcomputer U1 also connects display module and alarm module respectively.
As further program of the utility model: described single-chip microcomputer U1 model is ATMAGE16.
As the utility model further scheme: described display module adopts chip ULN2003 to drive two-way three common cathode charactrons.
Compared with prior art, the beneficial effects of the utility model are: the utility model adopts the voltage regulating mode of voltage dropping silicon chain, the pressure regulation capacity of closing bus bar is configured according to the maximum discharge capacity of combined floodgate load, the pressure regulation capacity of control bus is configured according to the maximum impact electric current of control overhead, the utility model closing bus bar does not use pressure regulation unit and directly uses storage battery E1 and storage battery E2 to power, make system simple and be convenient to safeguard, this circuit also has manual mode, when automatic Regulation function is made mistakes, manual voltage regulation can be transformed into, guarantee the reliable power supply of control bus.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of microcomputer controlled voltage dropping silicon chain circuit;
Fig. 2 is a kind of program flow diagram of microcomputer controlled voltage dropping silicon chain circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2, in the utility model embodiment, a kind of microcomputer controlled voltage dropping silicon chain circuit, comprise single-chip microcomputer U1, display module, alarm module, storage battery E1 and relay J 1, single-chip microcomputer pin PA0 connects potentiometer RP1 slide plate, potentiometer RP1 one end connects storage battery E1 positive pole and ground connection, storage battery E1 negative pole connects storage battery E2 positive pole, storage battery E2 negative pole connects diode D1 positive pole respectively, relay J 1 contact J1-1 and resistance R4, the resistance R4 other end connects the potentiometer RP1 other end, diode D1 negative pole connects diode D2 positive pole successively, diode D3 positive pole and diode D4 positive pole, diode D4 negative pole connects the relay J 1 contact J1-1 other end respectively, relay J 2 contact J2-1 and diode D5 positive pole, diode D5 negative pole connects diode D6 positive pole, diode D6 negative pole connects diode D7 positive pole respectively, the relay J 2 contact J2-1 other end and relay J 3 contact J3-1, diode D7 negative pole connects the relay J 3 contact J3-1 other end respectively, resistance R5 and control bus, the resistance R5 other end connects potentiometer RP2, potentiometer RP2 other end ground connection, potentiometer RP2 slide plate connects single-chip microcomputer U1 pin PA1, single-chip microcomputer U1 pin PC4 is by resistance R1 connecting triode VT1 base stage, triode VT1 grounded emitter, triode VT1 collector electrode connects power supply VCC by relay J 1 coil, single-chip microcomputer U1 pin PC5 is by resistance R2 connecting triode VT2 base stage, triode VT2 grounded emitter, triode VT2 collector electrode connects power supply VCC by relay J 2 coil, single-chip microcomputer U1 pin PC6 is by resistance R3 connecting triode VT3 base stage, triode VT3 grounded emitter, triode VT3 collector electrode connects power supply VCC by relay J 3 coil, single-chip microcomputer U1 pin VCC connects single-chip microcomputer U1 pin AREF and power supply VCC respectively, single-chip microcomputer U1 pin GND ground connection, single-chip microcomputer U1 pin XTAL2 connects electric capacity C1 and crystal oscillator Y respectively, single-chip microcomputer U1 pin XTAL2 connects the crystal oscillator Y other end and electric capacity C2 respectively, the electric capacity C2 other end connects the electric capacity C1 other end and ground connection, single-chip microcomputer U1 also connects display module and alarm module respectively.
Single-chip microcomputer U1 model is ATMAGE16.
Display module adopts chip ULN2003 to drive two-way three common cathode charactrons, what two-way charactron showed respectively is voltage on battery tension and control bus, single-chip microcomputer U1 is the core of whole circuit, voltage on storage battery and control bus is sent to single-chip microcomputer pin PA0 and PA1 respectively through electric resistance partial pressure and is carried out AD conversion, obtain actual voltage value, the two-way voltage obtained compares through computing, obtain the level of the I/O mouth of the relay that drive, executive system drives relay next year individual to control conducting and the cut-off of the many groups diode combinations on silicon chain according to the I/O level calculated, thus on silicon chain, realize variation in voltage to guarantee the substantially constant of voltage on control bus.
Refer to Fig. 2, voltage-regulating system is a slow system, the unsuitable action of pressure regulation unit is too frequent, so will be averaging during sampling, avoid interference, sample again after also needing time delay 10S after sampling, the change of two sub-values just can think effective within minimum value, otherwise again sample, until sample right value, this is in order to avoid battery practical short time power shortage on closing bus bar causes battery voltage ripple to have influence on control bus, the S value calculated is the foundation of direct current silicon chain pressure regulation, S value must adopt Schmidt's snapback to judge, i.e. high-order variation threshold values and status variation threshold values, relay frequent movement on a certain fixing point is avoided to affect useful life.
The utility model circuit, when automatic Regulation encounters problems, is judged by single-chip microcomputer U1, and warning circuit sends sound and light alarm signal, notifies staff to carry out manual switchover control.
Claims (3)
1. a microcomputer controlled voltage dropping silicon chain circuit, comprise single-chip microcomputer U1, display module, alarm module, storage battery E1 and relay J 1, it is characterized in that, described single-chip microcomputer pin PA0 connects potentiometer RP1 slide plate, potentiometer RP1 one end connects storage battery E1 positive pole and ground connection, storage battery E1 negative pole connects storage battery E2 positive pole, storage battery E2 negative pole connects diode D1 positive pole respectively, relay J 1 contact J1-1 and resistance R4, the resistance R4 other end connects the potentiometer RP1 other end, described diode D1 negative pole connects diode D2 positive pole successively, diode D3 positive pole and diode D4 positive pole, diode D4 negative pole connects the relay J 1 contact J1-1 other end respectively, relay J 2 contact J2-1 and diode D5 positive pole, diode D5 negative pole connects diode D6 positive pole, diode D6 negative pole connects diode D7 positive pole respectively, the relay J 2 contact J2-1 other end and relay J 3 contact J3-1, diode D7 negative pole connects the relay J 3 contact J3-1 other end respectively, resistance R5 and control bus, the resistance R5 other end connects potentiometer RP2, potentiometer RP2 other end ground connection, potentiometer RP2 slide plate connects single-chip microcomputer U1 pin PA1, single-chip microcomputer U1 pin PC4 is by resistance R1 connecting triode VT1 base stage, triode VT1 grounded emitter, triode VT1 collector electrode connects power supply VCC by relay J 1 coil, described single-chip microcomputer U1 pin PC5 is by resistance R2 connecting triode VT2 base stage, triode VT2 grounded emitter, triode VT2 collector electrode connects power supply VCC by relay J 2 coil, described single-chip microcomputer U1 pin PC6 is by resistance R3 connecting triode VT3 base stage, triode VT3 grounded emitter, triode VT3 collector electrode connects power supply VCC by relay J 3 coil, described single-chip microcomputer U1 pin VCC connects single-chip microcomputer U1 pin AREF and power supply VCC respectively, single-chip microcomputer U1 pin GND ground connection, single-chip microcomputer U1 pin XTAL2 connects electric capacity C1 and crystal oscillator Y respectively, single-chip microcomputer U1 pin XTAL2 connects the crystal oscillator Y other end and electric capacity C2 respectively, the electric capacity C2 other end connects the electric capacity C1 other end and ground connection, described single-chip microcomputer U1 also connects display module and alarm module respectively.
2. microcomputer controlled voltage dropping silicon chain circuit according to claim 1, is characterized in that, described single-chip microcomputer U1 model is ATMAGE16.
3. microcomputer controlled voltage dropping silicon chain circuit according to claim 1, is characterized in that, described display module adopts chip ULN2003 to drive two-way three common cathode charactrons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665177.9U CN204089597U (en) | 2014-11-10 | 2014-11-10 | A kind of microcomputer controlled voltage dropping silicon chain circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665177.9U CN204089597U (en) | 2014-11-10 | 2014-11-10 | A kind of microcomputer controlled voltage dropping silicon chain circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204089597U true CN204089597U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420665177.9U Expired - Fee Related CN204089597U (en) | 2014-11-10 | 2014-11-10 | A kind of microcomputer controlled voltage dropping silicon chain circuit |
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| Country | Link |
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| CN (1) | CN204089597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889035A (en) * | 2018-12-30 | 2019-06-14 | 浙江八达电子仪表有限公司时通电气分公司 | A kind of emergency maintenance automatic voltage dropping silicon chain device of power supply |
-
2014
- 2014-11-10 CN CN201420665177.9U patent/CN204089597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889035A (en) * | 2018-12-30 | 2019-06-14 | 浙江八达电子仪表有限公司时通电气分公司 | A kind of emergency maintenance automatic voltage dropping silicon chain device of power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150107 Termination date: 20151110 |
|
| EXPY | Termination of patent right or utility model |