CN109660017A - A kind of generator handover control system - Google Patents
A kind of generator handover control system Download PDFInfo
- Publication number
- CN109660017A CN109660017A CN201811650002.XA CN201811650002A CN109660017A CN 109660017 A CN109660017 A CN 109660017A CN 201811650002 A CN201811650002 A CN 201811650002A CN 109660017 A CN109660017 A CN 109660017A
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- diode
- generator
- resistance
- triode
- connect
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
Abstract
The present invention provides a kind of generator handover control system, including control unit, switch unit and generator start and stop unit, described control unit is connect with the switch unit and generator start and stop cell signal respectively, described control unit, the status signal powered for monitoring alternating current to load equipment, and analysis output control signal is carried out according to status signal, which includes load supplying switching signal and generator start stop signal；The switch unit, for receiving the load supplying switching signal by described control unit output and controlling conversion of the power supply line of load on line and generator powered route；The present invention passes through the control unit being equipped with and switch unit, when in utility grid interruption or recovery process, the load supplying switching signal of control unit output is analyzed via the processing of switch unit, and then realize that generator powered and alternating current for the switching of net, and effectively avoid artificial interference by the control of control unit.
Description
Technical field
The present invention relates to a kind of handover control system fields, and in particular to a kind of generator handover control system.
Background technique
Generator as backup power source and be widely used in modern production life in, wherein shop equipment production work as
In, it can often find after mains failure, need to disconnect outer electrical circuit breakers manually, and the cable access device of generator is started
Generator works, and after the power supply of city power recovery, then stops generator operation, but use such manual switching generator and
The mode of mains-supplied, switching time interval is long and cannot reliably shut down when city power recovery power supply, and then seriously affects and make
With now using a kind of generator handover control system, effectively solving can be automatically quick complete when mains-supplied is restored or interrupts
At the switching of generator powered and mains-supplied, it is not necessarily to manual intervention, and guarantees that generator reliability is shut down in handoff procedure
Technical problem.
Summary of the invention
The main purpose of the present invention is to provide a kind of generator handover control systems, to solve to restore when mains-supplied
Or the switching of generator powered and mains-supplied can be quickly finished when interrupting automatically, it is not necessarily to manual intervention, and guarantee switching
The technical problem that generator reliability is shut down in the process.
To achieve the goals above, the present invention provides a kind of generator handover control system, including control unit, and switching is single
Member and generator start and stop unit, described control unit are connect with the switch unit and generator start and stop cell signal respectively,
Described control unit, the status signal powered for monitoring alternating current to load equipment, and analysis output is carried out according to status signal
Signal is controlled, which includes load supplying switching signal and generator start stop signal；The switch unit, for receiving
By described control unit output load supplying switching signal and control the power supply line of load and supplied in line and generator
Conversion in electric line；The generator start and stop unit, for receiving the generator start stop signal exported by described control unit
And control generator starts or shuts down.
Further, the generator start and stop unit includes starting motor-drive circuit and flameout control circuit, described to open
Dynamic motor-drive circuit, the starting control signal driven generator for receiving described control unit output start to work；
The flameout control circuit, for receiving the flame-out control signal of described control unit output and controlling the flame-out stopping fortune of generator
It changes a job work.
Further, the starting motor-drive circuit includes first diode, the second diode, the first triode, second
Triode, third transistor, first resistor, second resistance, 3rd resistor and the 4th resistance, the anode of the first diode
It being connect with the anode of battery, the cathode of the first diode is connect with the collector of second triode, and described second
The emitter of triode is connect with the cathode of second diode, and the cathode of the cathode of the second diode and battery connects
It connects, the plus earth of second diode, the base stage of second triode and the collector of first triode are electrically connected
It connects, the emitter of first triode is connect with the cathode of the first diode, the base stage difference of first triode
It is connect with one end of the first resistor and second resistance, the other end of the first resistor is negative with the first diode
Pole connection, the second resistance other end are connect with the collector of the third transistor, the emitter of the third transistor
It is connect with the 4th resistance, the base stage of the third transistor is connect with the 3rd resistor.
Further, first triode and the third transistor are all made of PNP type triode, second triode
For NPN type triode.
Further, the flameout control circuit include the 5th resistance, optocoupler, the 6th resistance, the 7th resistance, the 8th resistance,
9th resistance, first capacitor, the second capacitor, third capacitor, the 4th capacitor, the 4th triode, third diode, the 4th diode
And it is silicon-controlled；The anode of the light emitting diode of the optocoupler connects power supply, the light-emitting diodes of the optocoupler by the 5th resistance
The cathode of pipe is connect with control unit, after the cathode of the light emitting diode of the optocoupler is by first capacitor and the parallel connection of the second capacitor
Ground connection, the collector of the phototriode of the optocoupler and the base stage of triode connect, the hair of the phototriode of the optocoupler
The base stage of emitter grounding, the grounded collector of the 4th triode, phototriode is connect by resistance with emitter, described
The emitter of 4th triode is connect with the cathode of third diode, and anode and third capacitor one end of the third diode connect
It connects, the other end of the third capacitor is connect by the 8th resistance with the silicon-controlled control electrode, and described silicon-controlled
Plus earth, silicon-controlled cathode is connect with flame-out line, commonly connected between the 6th resistance and the third capacitor
Point is connect with the cathode of the 4th diode, and the anode of the 4th diode is connect with flame-out line, the 8th resistance
One end is connected to the cathode of the 4th diode, and the other end is connected to the anode of the third diode, the three or two pole
The anode of pipe is connect by the positive of the 7th resistance and the 4th diode, the 9th resistance and silicon-controlled public
Tie point is connect by the 4th capacitor with the anode of the 4th diode.
Beneficial effects of the present invention:
The present invention provides a kind of generator handover control system, the control unit being equipped with, switch unit and generator
Start and stop unit is in utility grid interruption or recovery process, and the load supplying switching signal of control unit output is via switch unit
Processing analysis, and then realize generator powered and alternating current for the switching of net, and it is effective by the control of control unit
Avoid artificial interference, while the response time of generator can be improved simultaneously by generator start and stop unit in switching is completed
And behind effective guarantee city power recovery, the reliability of generator is shut down.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is control principle drawing of the invention.
Fig. 2 is the circuit diagram for starting motor-drive circuit in the present invention.
Fig. 3 is the circuit diagram of flameout control circuit in the present invention.
In figure: 1. control units, 2. switch units, 3. generator start and stop units, 30. starting motor-drive circuits, 31. put out
Fiery control circuit, 300. first diodes, 301. second diodes, 302. first triodes, 303. second triodes, 304.
Three triodes, 305. first resistors, 306. second resistances, 307. 3rd resistors, 308. the 4th resistance, 310. the 5th resistance,
311. optocouplers, 312. the 6th resistance, 313. the 7th resistance, 314. the 8th resistance, 315. the 9th resistance, 316. first capacitors,
317. second capacitors, 318. third capacitors, 319. the 4th capacitors, 320. the 4th triodes, 321. third diodes, 322. the 4th
Diode, 323. is silicon-controlled.
Specific embodiment
Further to illustrate the technical means and efficacy of the invention taken to reach above-mentioned purpose, below in conjunction with attached drawing
And preferred embodiment, a specific embodiment of the invention, structure, feature and its effect describe in detail bright, it should be understood that this hair
Specific examples are only used to explain the present invention described in bright, is not intended to limit the present invention.
As described in Fig. 1~3, a kind of generator handover control system, including control unit 1, switch unit 2 and generator
Start and stop unit 3, control unit 1 are connect with switch unit 2 and 3 signal of generator start and stop unit respectively, control unit 1, for supervising
The status signal that alternating current is powered to load equipment is surveyed, and analysis output control signal, the control signal are carried out according to status signal
Including load supplying switching signal and generator start stop signal, control unit 1 therein is cut using control integrated chip SG3525
Unit 2 is changed, the power supply line for receiving the load supplying switching signal exported by control unit 1 and controlling load is in city's electric wire
Conversion on road and generator powered route, generator start and stop unit 3, is opened for receiving by the generator that control unit 1 exports
Stop signal and control generator starts or shuts down, when control unit 1 monitors that alternating current is believed to load equipment power failure state
Number, control unit 1 can export control signal by power failure state analysis, on the one hand which can control switch unit
2, control load equipment is carried out in the switching of line and generator powered route by switch unit 2, and then realize alternating current
It can be switched fast automatically when service restoration or interruption, on the other hand control signal and also control generator start and stop unit 3 simultaneously, pass through
Generator start and stop unit 3 carries out the starting of control generator or shuts down, to realize the feelings restored in mains-supplied
Under condition, power generation function effectively reliably shuts down, and stops carrying out generator operation power supply to multiple load equipment.
In preferred embodiment of the present invention, referring to shown in Fig. 2, starting motor-drive circuit 30 include first diode 300,
Second diode 301, the first triode 302, the second triode 303, third transistor 304, first resistor 305, second resistance
306, the anode of 3rd resistor 307 and the 4th resistance 308, first diode 300 is connect with the anode of battery, the one or two pole
The cathode of pipe 300 is connect with the collector of the second triode 303, the emitter of the second triode 303 and the second diode 301
Cathode connection, and the cathode of the cathode of the second diode 301 and battery connects, the plus earth of the second diode 301, second
The base stage of triode 303 is electrically connected with the collector of the first triode 302, the emitter of the first triode 302 and the one or two pole
The cathode of pipe 300 connects, and the base stage of the first triode 302 connects with one end of first resistor 305 and second resistance 306 respectively
It connects, the other end of first resistor 305 is connect with the cathode of first diode 300,306 other end of second resistance and third transistor
304 collector connection, the emitter of third transistor 304 connect with the 4th resistance 308, the base stage of third transistor 304 and
3rd resistor 307 connects, wherein the first triode 302 is all made of PNP type triode, the second triode with third transistor 304
303 be NPN type triode, which can guarantee that engine smoothly starts, so that it is guaranteed that the reliability of engine start and
Stability.
In preferred embodiment of the present invention, referring to shown in Fig. 3, flameout control circuit 31 includes the 5th resistance 310, optocoupler
311, the 6th resistance 312, the 7th resistance 313, the 8th resistance 314, the 9th resistance 315, first capacitor 316, the second capacitor 317,
Third capacitor 318, the 4th capacitor 319, the 4th triode 320, third diode 321, the 4th diode 322 and silicon-controlled
323, the anode of the light emitting diode of optocoupler 311 connects power supply by the 5th resistance 310, and the light emitting diode of optocoupler 311 is born
Pole is connect with control unit 1, and the cathode of the light emitting diode of optocoupler 311 passes through after 317 parallel connection of first capacitor 316 and the second capacitor
Ground connection, the collector of the phototriode of optocoupler 311 and the base stage of triode connect, the transmitting of the phototriode of optocoupler 311
The base stage of pole ground connection, the grounded collector of the 4th triode 320, phototriode is connect by resistance with emitter, and the four or three
The emitter of pole pipe 320 is connect with the cathode of third diode 321, anode and 318 one end of third capacitor of third diode 321
The other end of connection, third capacitor 318 is connect by the 8th resistance 314 with silicon-controlled 323 control electrode, and silicon-controlled 323
Plus earth, silicon-controlled 323 cathode are connect with flame-out line, the points of common connection between the 6th resistance 312 and third capacitor 318
It is connect with the cathode of the 4th diode 322, the anode of the 4th diode 322 is connect with flame-out line, and one end of the 8th resistance 314 connects
It is connected to the cathode of the 4th diode 322, the other end is connected to the anode of third diode 321, and the anode of third diode 321 is logical
It crosses the 7th resistance 313 to connect with the anode of the 4th diode 322, the points of common connection of the 9th resistance 315 and silicon-controlled 323 passes through
4th capacitor 319 is connect with the anode of the 4th diode 322, and when needing flame-out, control unit 1 exports low level control letter
Number, optocoupler 311 is connected, and the 4th triode 320 is connected at this time, and third capacitor 318 enters charging shape by the positive voltage for the line that stops working
State, when the voltage of third capacitor 318 reaches silicon-controlled 323 conducting voltage, silicon-controlled 323 conducting, flame-out line is grounded, thus
Guarantee that engine reliable and stable can stop working, and then engine can be effectively prevent to start repeatedly.
The working principle of the invention:
After power supply of the commercial power interruption to load equipment, control unit 1 works control starting motor-drive circuit 30, into
And start generator, while control unit 1 controls switch unit 2 and works, the input terminal of load equipment is electrically accessed by city and is gone to
The output end of generator accesses；After the power supply of city power recovery, the monitoring of control unit 1 collects city power recovery signal, controls at this time
Unit 1 controls flameout control circuit 31, so that flame-out circle ground connection, so that generator is flame-out, the control of control unit 1 at the same time is cut
It changes relay and electrically connects load equipment with city, therefore without manually being participated in whole process, the completion hair of automatic quick
To the power switching of load, entire handoff procedure is reliable and stable, and the response time is short, effectively avoids industrial production for motor and alternating current
Loss.
The present invention provides a kind of generator handover control system, control unit 1, switch unit 2 and the power generation being equipped with
Machine start and stop unit 3 is in utility grid interruption or recovery process, and the load supplying switching signal that control unit 1 exports is via switching
The processing of unit 2 is analyzed, so realize generator powered and alternating current for the switching of net, and by the control of control unit 1 into
And artificial interference is effectively avoided, while the sound of generator can be improved by generator start and stop unit 3 in switching is completed
After between seasonable and effectively guaranteeing city power recovery, the reliability of generator is shut down.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this hair
Bright protection scope should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (5)
1. a kind of generator handover control system, it is characterised in that: including control unit (1), switch unit (2) and generator
Start and stop unit (3), described control unit (1) are connect with the switch unit (2) and generator start and stop unit (3) signal respectively,
Described control unit (1), the status signal powered for monitoring alternating current to load equipment, and according to status signal analyze defeated
Signal is controlled out, which includes load supplying switching signal and generator start stop signal；The switch unit (2) is used
In the power supply line for receiving the load supplying switching signal that export by described control unit (1) and controlling load line with
Conversion on generator powered route；The generator start and stop unit (3), for receiving by described control unit (1) output
Generator start stop signal and the starting of control generator shut down.
2. a kind of generator handover control system according to claim 1, it is characterised in that: the generator start and stop unit
It (3) include that starting motor-drive circuit (30) and flameout control circuit (31), the starting motor-drive circuit (30) are used for
The starting control signal driven generator for receiving described control unit (1) output starts to work；The flameout control circuit
(31), for receiving the flame-out control signal of described control unit (1) output and controlling the flame-out work that shuts down of generator.
3. a kind of generator handover control system according to claim 1, it is characterised in that: the starting motor driven electricity
Road (30) includes first diode (300), the second diode (301), the first triode (302), the second triode (303),
Three triodes (304), first resistor (305), second resistance (306), 3rd resistor (307) and the 4th resistance (308), it is described
The anode of first diode (300) is connect with the anode of battery, the cathode and the described 2nd 3 of the first diode (300)
The collector of pole pipe (303) connects, the cathode of the emitter of second triode (303) and second diode (301)
Connection, and the cathode of the cathode of the second diode (301) and battery connects, the plus earth of second diode (301),
The base stage of second triode (303) is electrically connected with the collector of first triode (302), first triode
(302) emitter is connect with the cathode of the first diode (300), the base stage of first triode (302) respectively with
One end of the first resistor (305) and second resistance (306) connection, the other end of the first resistor (305) with it is described
The cathode of first diode (300) connects, the current collection of second resistance (306) other end and the third transistor (304)
Pole connection, the emitter of the third transistor (304) are connect with the 4th resistance (308), the third transistor (304)
Base stage connect with the 3rd resistor (307).
4. a kind of generator handover control system according to claim 1, it is characterised in that: first triode
(302) PNP type triode is all made of with the third transistor (304), second triode (303) is NPN type triode.
5. a kind of generator handover control system according to claim 1, it is characterised in that: the flameout control circuit
It (31) include the 5th resistance (310), optocoupler (311), the 6th resistance (312), the 7th resistance (313), the 8th resistance (314), the
Nine resistance (315), first capacitor (316), the second capacitor (317), third capacitor (318), the 4th capacitor (319), the four or three pole
Manage (320), third diode (321), the 4th diode (322) and silicon-controlled (323)；Luminous the two of the optocoupler (311)
The anode of pole pipe connects power supply, the cathode and control unit of the light emitting diode of the optocoupler (311) by the 5th resistance (310)
Connection, the cathode of the light emitting diode of the optocoupler (311) are followed by by first capacitor (316) and the second capacitor (317) parallel connection
Ground, the collector of the phototriode of the optocoupler (311) and the base stage of triode connect, and photosensitive the three of the optocoupler (311)
The emitter of pole pipe is grounded, the grounded collector of the 4th triode (320), and the base stage of phototriode passes through resistance and hair
Emitter-base bandgap grading connection, the emitter of the 4th triode (320) are connect with the cathode of third diode (321), the three or two pole
The anode of pipe (321) is connect with third capacitor (318) one end, and the other end of the third capacitor (318) passes through the 8th electricity
Resistance (314) is connect with the control electrode of silicon-controlled (323), and the plus earth of silicon-controlled (323), silicon-controlled (323)
Cathode connect with flame-out line, the points of common connection between the 6th resistance (312) and the third capacitor (318) with it is described
The cathode of 4th diode (322) connects, and the anode of the 4th diode (322) is connect with flame-out line, the 8th resistance
(314) one end is connected to the cathode of the 4th diode (322), and the other end is connected to the third diode (321)
The anode of anode, the third diode (321) is passing through the 7th resistance (313) and the 4th diode (322) just
Pole connection, the points of common connection of the 9th resistance (315) and silicon-controlled (323) pass through the 4th capacitor (319) with it is described
The anode connection of 4th diode (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650002.XA CN109660017A (en) | 2018-12-31 | 2018-12-31 | A kind of generator handover control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650002.XA CN109660017A (en) | 2018-12-31 | 2018-12-31 | A kind of generator handover control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109660017A true CN109660017A (en) | 2019-04-19 |
Family
ID=66118636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650002.XA Pending CN109660017A (en) | 2018-12-31 | 2018-12-31 | A kind of generator handover control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109660017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211615A (en) * | 2019-10-10 | 2020-05-29 | 杭州电子科技大学 | Medium-voltage intelligent load control method and system for large-scale data center |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743213A (en) * | 2016-04-06 | 2016-07-06 | 隆鑫通用动力股份有限公司 | Power generator and mains supply automatic switching system |
-
2018
- 2018-12-31 CN CN201811650002.XA patent/CN109660017A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743213A (en) * | 2016-04-06 | 2016-07-06 | 隆鑫通用动力股份有限公司 | Power generator and mains supply automatic switching system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211615A (en) * | 2019-10-10 | 2020-05-29 | 杭州电子科技大学 | Medium-voltage intelligent load control method and system for large-scale data center |
| CN111211615B (en) * | 2019-10-10 | 2021-07-13 | 杭州电子科技大学 | Medium-voltage intelligent load control method and system for large-scale data center |
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Application publication date: 20190419 |