CN103904775B - generator full automatic controller and control method thereof - Google Patents
generator full automatic controller and control method thereof Download PDFInfo
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- CN103904775B CN103904775B CN201410127945.XA CN201410127945A CN103904775B CN 103904775 B CN103904775 B CN 103904775B CN 201410127945 A CN201410127945 A CN 201410127945A CN 103904775 B CN103904775 B CN 103904775B
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Abstract
The invention provides a kind of generator full automatic controller and control method thereof, comprise generator and start control section, generator output control part, generator shutdown control section.Compact conformation of the present invention, complete function, relay is directly electrically connected with city, can judge the break-make of civil power fast, and starter-generator generates electricity automatically in time, meanwhile, also sets certain time delay, avoids generator to start when civil power flash, cause waste; After adopting the present invention, base station maintenance personal does not need to carry out manual-lock oil machine back and forth again, uses manpower and material resources sparingly.
Description
Technical field
The present invention relates to controller field, particularly relate to a kind of generator full automatic controller and control method thereof.
Background technology
The base station of current mobile communications operator is all managed by maintenance company, and maintenance company, in order to cost-saving raising profit, is not that a people is responsible for a base station generating, but is responsible for the base station of a line., 4 ~ 8 base stations often, the base station of line, and remote mountain areas residing for most mobile communications base station, people's car is difficult to walk, and after base station has a power failure, generator can not automatic generation immediately, makes troubles to people's life; When after incoming call, need again director to go to close generator in base station one by one, need 3 ~ 4 hours when oil machine is below closed, like this, oil machine has dallied 3 ~ 4 hours virtually, and waste oil plant, oil machine turn increases wearing and tearing.
If the technical scheme that a kind of automatic generator starts and cuts out can be provided, will be very significant.
Summary of the invention
Solve the problem, the invention provides a kind of generator full automatic controller and control method thereof.
Described generator full automatic controller, comprises generator and starts control section, generator output control part, generator shutdown control section, wherein
Described generator starts three relays that control section comprises three-phase and four-line electrical connection, the output of described three relays connects fuel tank switch, the 4th relay, described fuel tank switch, the 4th relay are connected with very first time relay input more respectively, two outputs of described very first time relay are connected to a D.C. contactor input respectively by second time relay, the 3rd time relay, described D.C. contactor output is connected with the motor of generator, and the output of described generator is connected with the 4th relay input;
Described generator output control part comprises the ac delayer connected in turn, A.C. contactor; Described ac delayer input connects generator output end, and A.C. contactor is connected with load;
Described generator shutdown control section comprises electromagnetically operated valve, two inputs of described electromagnetically operated valve and three-phase alternating-current supply, and described electromagnetically operated valve output is connected with generator oil circuit.
Further, the first manual control switch is provided with between described fuel tank switch and very first time relay input.
Further, the second manual control switch is provided with between one of them input that the output of three relays and electromagnetically operated valve connect.
The control method of above-mentioned generator full automatic controller, comprises the following steps:
Step 1: judge whether three-phase and four-line electricity has a power failure, if an arbitrary phase incoming call, carry out step 2, if three-phase all stops, then carry out step 3;
Step 2: the normally-closed contact of three relays disconnects, electromagnetically operated valve valve closing, and generator quits work;
Step 3: the normally-closed contact of three relays closes, the 4th relay conducting; When fuel tank has oil, fuel tank switch sends signal to very first time relay, and carry out step 4, fuel tank does not have oil then not send signal, very first time relay not conducting;
Step 4: if power-off time is no more than the setting time of delay of very first time relay, then very first time relay not conducting; If exceeded, then carry out step 5;
Step 5: very first time relay conducting;
Step 6: second time relay, the equal conducting of the 3rd time relay, both time delays are added, delay time signal input direct-current contactor;
Step 7: generator motor running, output voltage;
Step 8: the output voltage of generator is transported to the 4th relay, the 4th relay no longer conducting, generator starts control section and quits work, and meanwhile, the output voltage of generator is input to ac delayer;
Step 9: ac delayer conducting;
Step 10: generator preheating, warm-up time is time of delay set by ac delayer;
Step 11: A.C. contactor conducting;
Step 12: generator output voltage is to load;
Step 13: return step 1.
Further, the setting-up time of described very first time relay is 20 seconds, and/or the setting-up time 5 seconds of second time relay, and/or the setting-up time of the 3rd time relay is 12 seconds.
Further, 5 minutes are set as the time of delay of described ac delayer.
Advantage of the present invention is:
Compact conformation of the present invention, complete function, relay is directly electrically connected with three-phase and four-line, can judge the break-make of civil power fast, and starter-generator generates electricity automatically in time.Meanwhile, in order to avoid generator starts when civil power flash, cause waste, the present invention sets certain time delay by setting very first time relay, ensure that generator does not start in flash situation.
The benefit that the present invention arranges two manual control switches is: when the first manual control switch, the second manual control switch close, generator is in Automatic Control state; When the first manual control switch, the second manual control switch disconnect, generator is in halted state, is power-off rehearsal for oil machine maintenance or people; When first manual control switch's disconnection, the second manual control switch close, generator is in partial-automatic control state and namely manually starts and automatic shutdown state.When oil start control section has obstacle then by this kind of state.
After adopting the present invention, base station maintenance personal does not need to carry out manual-lock oil machine back and forth again, uses manpower and material resources sparingly.
Accompanying drawing explanation
Fig. 1 is generator full automatic controller structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
First generator full automatic controller is introduced.
According to feature difference, generator full automatic controller is divided into three parts, and namely generator starts control section; Generator output control part; Generator shutdown control section.
Generator starts control section:
Comprise three relays of three-phase and four-line electrical connection, the output of described three relays connects fuel tank switch, the 4th relay, described fuel tank switch, the 4th relay are connected with very first time relay input more respectively, two outputs of described very first time relay are connected to a D.C. contactor input respectively by second time relay, the 3rd time relay, described D.C. contactor output is connected with the motor of generator, and the output of described generator is connected with the 4th relay input.
Preferably, the first manual control switch is provided with between described fuel tank switch and very first time relay input.
Principle: three-phase and four-line electricity access three relays, produce signal.During three-phase equal power-off, the normally-closed contact of three relays is closed, the 4th relay conducting.When fuel tank has oil, fuel tank switch sends signal to very first time relay, very first time relay conducting; When nothing is oily in fuel tank, do not send signal, very first time relay keeps cutting out.First artificial switch control rule generator operation state, when it disconnects, generator starts control section and stops.When electrical power generators output voltage, the 4th relay disconnects, and generator starts termination.
In order to avoid civil power flash causes generator to start, very first time relay provides a time delay (being generally 20 seconds, adjustable), and when civil power is in setting-up time during flash, it can not conducting, and generator starts control section and do not work.After civil power is stopped power supply and is exceeded setting-up time, very first time relay conducting, and send enabling signal to the time relay of rear stage.(time delay of second time relay is generally set as 5 seconds to the time delay of second time relay, the 3rd time relay, the time delay of the 3rd time relay is generally set as 12 seconds, all adjustable) be added the rear starting duration signal controlling electric organ motor starting producing a setting.
Generator output control part:
Comprise the ac delayer connected in turn, A.C. contactor; Described ac delayer input connects generator output end, and A.C. contactor is connected with load.
Principle: the output voltage 220V of generator divides two-way, a road controls the 4th relay starting control section, and starting-up later time is disconnected, and ensures that starting control section reliably stops; Another road controls the ac delayer (being generally 5 minutes, adjustable) of generator output control part, ensures that generator has individual warm.Warm-up time is adjustable, and warm-up time in winter is long, and warm-up time in summer is shorter.After A.C. contactor conducting, generating voltage is passed to load.
Generator shutdown control section:
Comprise electromagnetically operated valve, three relays that two inputs and the same three-phase and four-line of described electromagnetically operated valve are electrically connected are connected, and described electromagnetically operated valve output is connected with generator oil circuit.
Preferably, the second manual control switch is provided with between one of them input that the output of three relays and electromagnetically operated valve connect.
Principle: be connected to three relays by civil power three-phase and four-line, produces signal source.As long as three-phase has during a phase incoming call will produce off signal.Its three relays share with three relays starting control section, use one group of contact respectively.When second manual control switch disconnects, oil machine is in off-mode.The oil circuit of solenoid control generator.When after incoming call, the normally closed contact of three relays disconnects, and electromagnetically operated valve loses voltage and valve closing, and the fuel feeding of its generator is truncated, and generator stops.
Again the control method of above-mentioned controller is described below:
Described control method comprises the following steps:
Step 1: judge whether three-phase and four-line electricity has a power failure, if an arbitrary phase incoming call, carry out step 2, if three-phase all stops, then carry out step 3;
Step 2: the normally-closed contact of three relays disconnects, electromagnetically operated valve valve closing, and generator quits work;
Step 3: the normally-closed contact of three relays closes, the 4th relay conducting; When fuel tank has oil, fuel tank switch sends signal to very first time relay, and carry out step 4, fuel tank does not have oil then not send signal, very first time relay not conducting;
Step 4: if power-off time is no more than the setting time of delay of very first time relay, then very first time relay not conducting; If exceeded, then carry out step 5;
Step 5: very first time relay conducting;
Step 6: second time relay, the equal conducting of the 3rd time relay, both time delays are added, delay time signal input direct-current contactor;
Step 7: generator motor running, output voltage;
Step 8: the output voltage of generator is transported to the 4th relay, the 4th relay no longer conducting, generator starts control section and quits work, and meanwhile, the output voltage of generator is input to ac delayer;
Step 9: ac delayer conducting;
Step 10: generator preheating, warm-up time is time of delay set by ac delayer;
Step 11: A.C. contactor conducting;
Step 12: generator output voltage is to load;
Step 13: return step 1.
Advantage of the present invention is:
Compact conformation of the present invention, complete function, relay is directly electrically connected with three-phase and four-line, can judge the break-make of civil power fast, and starter-generator generates electricity automatically in time.Meanwhile, in order to avoid generator starts when civil power flash, cause waste, the present invention sets certain time delay by setting very first time relay, ensure that generator does not start in flash situation.
The benefit that the present invention arranges two manual control switches is: when the first manual control switch, the second manual control switch close, generator is in Automatic Control state; When the first manual control switch, the second manual control switch disconnect, generator is in halted state, is power-off rehearsal for oil machine maintenance or people; When first manual control switch's disconnection, the second manual control switch close, generator is in partial-automatic control state and namely manually starts and automatic shutdown state.When oil start control section has obstacle then by this kind of state.
After adopting the present invention, base station maintenance personal does not need to carry out manual-lock oil machine back and forth again, uses manpower and material resources sparingly.
Claims (6)
1. a generator full automatic controller, is characterized in that, comprises generator and starts control section, generator output control part, generator shutdown control section, wherein
Described generator starts three relays that control section comprises three-phase and four-line electrical connection, the output of described three relays connects fuel tank switch, the 4th relay respectively, described fuel tank switch, the 4th relay are connected with very first time relay input more respectively, two outputs of described very first time relay are connected to a D.C. contactor input respectively by second time relay, the 3rd time relay, described D.C. contactor output is connected with the motor of generator, and the output of described generator is connected with the 4th relay input; Under fuel tank has oil condition, three-phase and four-line electricity power-off time exceed very first time relay time delay, very first time relay conducting, and sending enabling signal to the time relay of rear stage, the time delay of second time relay, the 3rd time relay is added the rear starting duration signal controlling electric organ motor starting producing a setting; When electrical power generators output voltage, the 4th relay disconnects, and generator starts termination;
Described generator output control part comprises the ac delayer, the A.C. contactor that connect in turn; Described ac delayer input connects generator output end, and A.C. contactor is connected with load; Described ac delayer controls by generator output voltage, and after ensureing time of delay set by generator preheating ac delayer, A.C. contactor conducting, exports to load voltage;
Described generator three relays that control section comprises electromagnetically operated valve, two inputs and the same three-phase and four-line of described electromagnetically operated valve are electrically connected that shut down are connected, and described electromagnetically operated valve output is connected with generator oil circuit; Arbitrary when sending a telegram here mutually in three-phase and four-line electricity, electromagnetically operated valve valve, generator stops.
2. generator full automatic controller as claimed in claim 1, is characterized in that, be provided with the first manual control switch between described fuel tank switch and very first time relay input.
3. generator full automatic controller as claimed in claim 1 or 2, is characterized in that, be provided with the second manual control switch between the output of three relays and one of them input of electromagnetically operated valve.
4. the control method of the generator full automatic controller according to any one of claims 1 to 3, is characterized in that, comprise the following steps:
Step 1: judge whether three-phase and four-line electricity has a power failure, if an arbitrary phase incoming call, carry out step 2, if three-phase all stops, then carry out step 3;
Step 2: the normally-closed contact of three relays disconnects, electromagnetically operated valve valve closing, and generator quits work;
Step 3: the normally-closed contact of three relays closes, the 4th relay conducting; When fuel tank has oil, fuel tank switch sends signal to very first time relay, and carry out step 4, fuel tank does not have oil then not send signal, very first time relay not conducting;
Step 4: if power-off time is no more than the setting time of delay of very first time relay, then very first time relay not conducting; If exceeded, then carry out step 5;
Step 5: very first time relay conducting;
Step 6: second time relay, the equal conducting of the 3rd time relay, both time delays are added, delay time signal input direct-current contactor;
Step 7: generator motor running, output voltage;
Step 8: the output voltage of generator is transported to the 4th relay, the 4th relay no longer conducting, generator starts control section and quits work, and meanwhile, the output voltage of generator is input to ac delayer;
Step 9: ac delayer conducting;
Step 10: generator preheating, warm-up time is time of delay set by ac delayer;
Step 11: A.C. contactor conducting;
Step 12: generator output voltage is to load;
Step 13: return step 1.
5. the control method of generator full automatic controller as claimed in claim 4, it is characterized in that, the setting-up time of described very first time relay is 20 seconds, and/or the setting-up time 5 seconds of second time relay, and/or the setting-up time of the 3rd time relay is 12 seconds.
6. the control method of the generator full automatic controller as described in claim 4 or 5, is characterized in that, the time of delay of described ac delayer is set as 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410127945.XA CN103904775B (en) | 2014-04-01 | 2014-04-01 | generator full automatic controller and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410127945.XA CN103904775B (en) | 2014-04-01 | 2014-04-01 | generator full automatic controller and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904775A CN103904775A (en) | 2014-07-02 |
| CN103904775B true CN103904775B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410127945.XA Expired - Fee Related CN103904775B (en) | 2014-04-01 | 2014-04-01 | generator full automatic controller and control method thereof |
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| DE3703403A1 (en) * | 1987-02-05 | 1988-08-18 | Wacker Werke Kg | Interlock for starter of motor vehicle engine - ensures that starter motor is at rest following unsuccessful starting attempt using EM relays |
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2014
- 2014-04-01 CN CN201410127945.XA patent/CN103904775B/en not_active Expired - Fee Related
Patent Citations (6)
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|---|---|---|---|---|
| DE3703403A1 (en) * | 1987-02-05 | 1988-08-18 | Wacker Werke Kg | Interlock for starter of motor vehicle engine - ensures that starter motor is at rest following unsuccessful starting attempt using EM relays |
| CN201156716Y (en) * | 2008-01-08 | 2008-11-26 | 游联焰 | Electricity generator control apparatus capable of automatic starting and closing in time |
| CN201774306U (en) * | 2010-07-15 | 2011-03-23 | 安徽省电力公司池州供电公司 | Power generating vehicle standby power supply automatic switching controller |
| CN102465759A (en) * | 2010-11-02 | 2012-05-23 | 江苏英泰机电有限公司 | Automatic diesel generator set |
| CN103595124A (en) * | 2013-11-21 | 2014-02-19 | 唐学俊 | Automatic stop control circuit and controller for generator |
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| Title |
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| 基于PLC的风电机组控制系统设计;来长胜等;《电力学报》;20131031;第28卷(第5期);第429－432页 * |
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| CN103904775A (en) | 2014-07-02 |
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