CN204706950U - Diesel engine generator electric power supply control system - Google Patents
Diesel engine generator electric power supply control system Download PDFInfo
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- CN204706950U CN204706950U CN201520459729.5U CN201520459729U CN204706950U CN 204706950 U CN204706950 U CN 204706950U CN 201520459729 U CN201520459729 U CN 201520459729U CN 204706950 U CN204706950 U CN 204706950U
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Abstract
The utility model relates to a kind of control system, and especially a kind of diesel engine generator electric power supply control system, belongs to the technical field of power supply control.According to the technical scheme that the utility model provides, described diesel engine generator electric power supply control system, the power-supply controller comprising generator and be connected with described generator; Power-supply controller also detects indicating circuit and switches switching that diesel engine generator powers when civil power power-off and starts control circuit and be connected with the mains-supplied for detecting mains-supplied state.The utility model detects the power supply state of civil power by civil power indicating relay KA3, when civil power power-off, power by switching startup control circuit switching diesel engine generator, by charger or small generators, storage battery is charged, compact conformation, can realize effective switching of powering, control precision is high, adaptability is good, reliable and stable.
Description
Technical field
The utility model relates to a kind of control system, and especially a kind of diesel engine generator electric power supply control system, belongs to the technical field of power supply control.
Background technology
Diesel generating set is a kind of small power generation equipment, and referring to diesel oil etc. for fuel, take diesel engine as the dynamic power machine of prime mover drive electrical generators generating.A whole set of unit is generally made up of the parts such as diesel engine, generator, and entirety can be fixed on basis, and location uses, and also can be contained on trailer, for mobile.Diesel engine will meet future emission level and power conservation requirement, must adopt electronic control technology, and existing diesel engine generator electric power supply control system is difficult to the work instructions for use meeting load supplying.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of diesel engine generator electric power supply control system, its compact conformation, and can realize effective switching of powering, control precision is high, and adaptability is good, reliable and stable.
According to the technical scheme that the utility model provides, described diesel engine generator electric power supply control system, the power-supply controller comprising generator and be connected with described generator; Power-supply controller also detects indicating circuit and switches switching that diesel engine generator powers when civil power power-off and starts control circuit and be connected with the mains-supplied for detecting mains-supplied state.
Described mains-supplied detects indicating circuit and comprises civil power indicating relay KA3, and one end of civil power indicating relay KA3 normally-closed contact is connected with power-supply controller.
Described switch start that control circuit comprises storage battery, small generators that the charger that utilizes civil power to charge to storage battery and the direct generation of electricity are charged to storage battery;
Positive feeder ear, the negative power-feed section of charger are connected with civil power indicating relay KA3 coil two ends, the negative charging end of charger is connected with the other end of the negative pole end of storage battery and civil power indicating relay KA3 normally-closed contact, and the negative charging end of charger is also connected with one end of diesel engine starting relay K A1 coil, one end of Fuel Injection Mechanism of Diesel Engine relay K A2 coil, the other end of diesel engine starting relay K A1 coil, the other end of Fuel Injection Mechanism of Diesel Engine relay K A2 coil are connected with the output of power-supply controller respectively;
The positive charging end of charger is connected with the positive terminal of storage battery and the positive power source terminal of starter, and the positive terminal of storage battery is connected with the voltage output end of small generators by the normally opened contact of small generators starting relay KM, the other end ground connection of small generators; One end ground connection of small generators starting relay KM coil, the other end of small generators starting relay KM coil is connected with one end of diesel engine starting relay K A1 normally opened contact;
The other end of diesel engine starting relay K A1 normally opened contact, one end of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact are all connected with one end of ignition switch S2, the other end of ignition switch S2 is connected with the output of power-supply controller, and the other end of described ignition switch S2 is connected with one end of emergency stop switch S1, the other end of emergency stop switch S1 is connected with the output of power-supply controller.
One end of the negative charging end of charger also loud speaker connects, and the other end of loud speaker is connected with the output of power-supply controller; The two ends of diesel engine starting relay K A1 normally opened contact, the two ends of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact are also parallel with air circuit QF1.
Described power-supply controller also with for controlling to drive the rotation speed regulating and controlling plate of generator diesel engine speed to be connected, described rotation speed regulating and controlling plate comprises speed probe and rotational speed regulation actuator.
Described power-supply controller is also connected with cooling-water temperature sensor and oil pressure sensor.
The sending end of described generator is connected with circuit-breaker Q1 and the current transformer for detecting load circuit, the output of described current transformer is connected with the input of power-supply controller, the sending end of generator be also provided with air circuit QF2 between power-supply controller and be connected.
Advantage of the present utility model: the power supply state being detected civil power by civil power indicating relay KA3, when civil power power-off, power by switching startup control circuit switching diesel engine generator, by charger or small generators, storage battery is charged, compact conformation, can realize effective switching of powering, control precision is high, adaptability is good, reliable and stable.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Description of reference numerals: 1-generator, 2-current transformer, 3-power-supply controller, 4-rotation speed regulating and controlling plate, 5-speed probe, 6-charger, 7-loud speaker, 8-starter, 9-small generators, 10-cooling-water temperature sensor, 11-oil pressure sensor and 12-storage battery.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order to effective switching of powering can be realized, improve stability and the reliability of power switching, the power-supply controller 3 that the utility model comprises generator 1 and is connected with described generator 1; Power-supply controller 3 also detects indicating circuit and switches switching that diesel engine generator powers when civil power power-off and starts control circuit and be connected with the mains-supplied for detecting mains-supplied state.
Particularly, the supply power mode that power-supply controller 3 controls comprises mains-supplied and generator 1 exports two kinds that power, and when mains-supplied, generator 1 is in non operating state, namely only has civil power to be load supplying.And when civil power power-off, controller 3 starts control circuit switching and starter-generator 1 by switching, exporting electric energy by generator 1 is load supplying.Detect indicating circuit by mains-supplied, switch and start the stability and reliability that the proof load of control circuit energy powers.
In the specific implementation, the sending end of described generator 1 is connected with circuit-breaker Q1 and the current transformer 2 for detecting load circuit, the output of described current transformer 2 is connected with the input of power-supply controller 3, the sending end of generator 1 be also provided with air circuit QF2 between power-supply controller 3 and be connected.Whether the electric energy that can be controlled generator 1 output by circuit-breaker Q1 is loaded in load, by the electric current that current transformer 3 detects, power-supply controller 3 can judge the power supply state of generator 1 pair of load, after air circuit QF2 is closed, power-supply controller 3 can obtain the situation of generator 1 output voltage, thus can carry out effective monitoring to the output voltage of generator 1.
Described mains-supplied detects indicating circuit and comprises civil power indicating relay KA3, and one end of civil power indicating relay KA3 normally-closed contact is connected with power-supply controller 3.In the utility model embodiment, the two ends of civil power instruction charger KA3 coil are held with ACL end, ACN respectively and are connected, and the voltage between ACL end, CAN end is 220V, namely for obtaining line voltage.When line voltage is normal, the normally-closed contact of civil power indicating relay KA3 closes, during civil power power-off, the normally-closed contact of civil power indicating relay KA3 disconnects, and power-supply controller 3 realizes the detection to mains-supplied state according to the closure state of civil power indicating relay KA3 normally-closed contact.Power-supply controller 3 can adopt existing conventional structure, is specially known by the art personnel, repeats no more herein.
Described switch start that control circuit comprises storage battery 12, small generators 9 that the charger 6 that utilizes civil power to charge to storage battery 12 and the direct generation of electricity are charged to storage battery 12;
Positive feeder ear, the negative power-feed section of charger 6 are connected with civil power indicating relay KA3 coil two ends, the negative charging end of charger 6 is connected with the other end of the negative pole end of storage battery 12 and civil power indicating relay KA3 normally-closed contact, and the negative charging end of charger 6 is also connected with one end of diesel engine starting relay K A1 coil, one end of Fuel Injection Mechanism of Diesel Engine relay K A2 coil, the other end of diesel engine starting relay K A1 coil, the other end of Fuel Injection Mechanism of Diesel Engine relay K A2 coil are connected with the output of power-supply controller 3 respectively;
The positive charging end of charger 6 is connected with the positive power source terminal of the positive terminal of storage battery 12 and starter 8, the positive terminal of storage battery 12 is connected with the voltage output end of small generators 9 by the normally opened contact of small generators starting relay KM, the other end ground connection of small generators 9; One end ground connection of small generators starting relay KM coil, the other end of small generators starting relay KM coil is connected with one end of diesel engine starting relay K A1 normally opened contact;
The other end of diesel engine starting relay K A1 normally opened contact, one end of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact are all connected with one end of ignition switch S2, the other end of ignition switch S2 is connected with the output of power-supply controller 3, and the other end of described ignition switch S2 is connected with one end of emergency stop switch S1, the other end of emergency stop switch S1 is connected with the output of power-supply controller 3.
In the utility model embodiment, storage battery 12 can be used in the operating voltage that whole control system provides working power and starter 8, so that starter 8 can charged rear startup.Generator 1 needs by diesel engine starting when generating electricity, and needs to utilize starter 8 to start during diesel engine initialization.When civil power is normal, 220V civil power can be converted to 24V direct current by charger 6, thinks that storage battery 12 charges.And when civil power power-off, utilize small generators 9 to charge to storage battery 12, ensure the abundance of electricity in storage battery 12, namely guarantee the power supply reliability of whole control system.The other end of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact is connected with the binding post in rotational speed regulation plate 4.
When power-supply controller 3 judges civil power power-off by the normally opened contact of civil power indicating relay KA3, it is electric that power-supply controller 3 first allows the coil of Fuel Injection Mechanism of Diesel Engine relay K A2 obtain, because ignition switch S2 is in closure state in the ordinary course of things, Fuel Injection Mechanism of Diesel Engine relay K A2 coil obtains electric, the normally opened contact of Fuel Injection Mechanism of Diesel Engine relay K A2 can be allowed to close, namely realize the fuel feeding to diesel engine.After to Fuel Injection Mechanism of Diesel Engine a period of time, it is electric that power-supply controller 3 allows the coil of diesel engine starting relay K A1 obtain again, closes to allow the normally opened contact of diesel engine starting relay K A1.After diesel engine starting relay K A1 normally opened contact is closed, the coil of small generators starting relay KM can be made to obtain electric, the normally opened contact realizing small generators starting relay KM closes, and small generators 9 is by Diesel Driven, and the electric energy that small generators 9 exports realizes the charging to storage battery 12; Meanwhile, starter 8 drives diesel engine starting, and after diesel engine starting success, diesel oil function drives generator 1 to work and generates electricity.In addition, diesel engine needs big current when starting, and starter 8 drives diesel engine when initial rotation, and storage battery 12 can provide the big current needed for diesel engine.In case of emergency, diesel engine can be able to be allowed to stop operating by emergency stop switch S1.
One end of the negative charging end of charger 6 also loud speaker 7 connects, and the other end of loud speaker 7 is connected with the output of power-supply controller 3; The two ends of diesel engine starting relay K A1 normally opened contact, the two ends of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact are also parallel with air circuit QF1.
Described power-supply controller 3 also with for controlling drives the rotation speed regulating and controlling plate 4 of generator 1 diesel engine speed to be connected, and described rotation speed regulating and controlling plate 4 comprises speed probe 5 and rotational speed regulation actuator.Described power-supply controller 3 is also connected with cooling-water temperature sensor 10 and oil pressure sensor 11.
In the utility model embodiment, the available protecting to diesel engine can be realized by air circuit QF1.One end of air circuit QF1 is connected with one end of ignition switch S2, and the other end of air circuit QF2 is connected with the positive power source terminal of the positive terminal of storage battery 12, starter 8.The rotating speed of diesel engine can be obtained by speed probe 5, the voltage exported to make generator 1 steadily and meet corresponding frequency requirement, power-supply controller 3 can after the rotating speed obtaining diesel engine, controlled the rotating speed of diesel engine by rotational speed regulation actuator (ACT namely in figure), the electric energy that Diesel Driven generator 1 is exported meets power reguirements.Cooling-water temperature sensor 10 is for detecting water temperature value during diesel engine work, oil pressure sensor 11 is for detecting oil pressure value during diesel engine work, when water temperature or oil pressure do not mate with preset security value, power-supply controller 3 can pass through loud speaker 7 output alarm information, loud speaker 7 can adopt buzzer to substitute, and is specially known by the art personnel.Power-supply controller 3 also obtains voltage feedback value by starter 8, is namely connected with power-supply controller 3 by D+ link.X1-1 ~ X1-23 in Fig. 1 is power-supply controller 3 end pin on circuit boards, the numerical value in rotation speed regulating and controlling plate 4 is associated connections terminal numbering, and relevant connection is known by the art personnel.
The utility model detects the power supply state of civil power by civil power indicating relay KA3, when civil power power-off, power by switching startup control circuit switching diesel engine generator 1, charged by charger 6 or small generators 9 pairs of storage batterys 12, compact conformation, can realize effective switching of powering, control precision is high, adaptability is good, reliable and stable.
Claims (7)
1. a diesel engine generator electric power supply control system, the power-supply controller (3) comprising generator (1) and be connected with described generator (1); It is characterized in that: power-supply controller (3) also detects indicating circuit and switches switching that diesel engine generator powers when civil power power-off and starts control circuit and be connected with the mains-supplied for detecting mains-supplied state.
2. diesel engine generator electric power supply control system according to claim 1, is characterized in that: described mains-supplied detects indicating circuit and comprises civil power indicating relay KA3, and one end of civil power indicating relay KA3 normally-closed contact is connected with power-supply controller (3).
3. diesel engine generator electric power supply control system according to claim 2, is characterized in that: described switch start that control circuit comprises storage battery (12), small generators (9) that the charger (6) that utilizes civil power to charge to storage battery (12) and the direct generation of electricity are charged to storage battery (12);
Positive feeder ear, the negative power-feed section of charger (6) are connected with civil power indicating relay KA3 coil two ends, the negative charging end of charger (6) is connected with the other end of the negative pole end of storage battery (12) and civil power indicating relay KA3 normally-closed contact, and the negative charging end of charger (6) is also connected with one end of diesel engine starting relay K A1 coil, one end of Fuel Injection Mechanism of Diesel Engine relay K A2 coil, the other end of diesel engine starting relay K A1 coil, the other end of Fuel Injection Mechanism of Diesel Engine relay K A2 coil are connected with the output of power-supply controller (3) respectively;
The positive charging end of charger (6) is connected with the positive power source terminal of the positive terminal of storage battery (12) and starter (8), the positive terminal of storage battery (12) is connected with the voltage output end of small generators (9) by the normally opened contact of small generators starting relay KM, the other end ground connection of small generators (9); One end ground connection of small generators starting relay KM coil, the other end of small generators starting relay KM coil is connected with one end of diesel engine starting relay K A1 normally opened contact;
The other end of diesel engine starting relay K A1 normally opened contact, one end of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact are all connected with one end of ignition switch S2, the other end of ignition switch S2 is connected with the output of power-supply controller (3), and the other end of described ignition switch S2 is connected with one end of emergency stop switch S1, the other end of emergency stop switch S1 is connected with the output of power-supply controller (3).
4. diesel engine generator electric power supply control system according to claim 3, is characterized in that: one end of the negative charging end of charger (6) also loud speaker (7) connects, and the other end of loud speaker (7) is connected with the output of power-supply controller (3); The two ends of diesel engine starting relay K A1 normally opened contact, the two ends of Fuel Injection Mechanism of Diesel Engine relay K A2 normally opened contact are also parallel with air circuit QF1.
5. diesel engine generator electric power supply control system according to claim 3, it is characterized in that: described power-supply controller (3) also with for controlling to drive the rotation speed regulating and controlling plate (4) of generator (1) diesel engine speed to be connected, described rotation speed regulating and controlling plate (4) comprises speed probe (5) and rotational speed regulation actuator.
6. diesel engine generator electric power supply control system according to claim 3, is characterized in that: described power-supply controller (3) is also connected with cooling-water temperature sensor (10) and oil pressure sensor (11).
7. diesel engine generator electric power supply control system according to claim 1, it is characterized in that: the sending end of described generator (1) is connected with circuit-breaker Q1 and the current transformer (2) for detecting load circuit, the output of described current transformer (2) is connected with the input of power-supply controller (3), the sending end of generator (1) be also provided with air circuit QF2 between power-supply controller (3) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459729.5U CN204706950U (en) | 2015-06-30 | 2015-06-30 | Diesel engine generator electric power supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459729.5U CN204706950U (en) | 2015-06-30 | 2015-06-30 | Diesel engine generator electric power supply control system |
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| Publication Number | Publication Date |
|---|---|
| CN204706950U true CN204706950U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520459729.5U Expired - Fee Related CN204706950U (en) | 2015-06-30 | 2015-06-30 | Diesel engine generator electric power supply control system |
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| Country | Link |
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| CN (1) | CN204706950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978137A (en) * | 2015-11-25 | 2016-09-28 | 国网辽宁省电力有限公司阜新供电公司 | Distribution bypass emergency power supply system |
| CN110535381A (en) * | 2019-08-31 | 2019-12-03 | 潍坊雷腾动力机械有限公司 | A kind of generating set electric control system |
-
2015
- 2015-06-30 CN CN201520459729.5U patent/CN204706950U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978137A (en) * | 2015-11-25 | 2016-09-28 | 国网辽宁省电力有限公司阜新供电公司 | Distribution bypass emergency power supply system |
| CN110535381A (en) * | 2019-08-31 | 2019-12-03 | 潍坊雷腾动力机械有限公司 | A kind of generating set electric control system |
| CN110535381B (en) * | 2019-08-31 | 2022-03-25 | 潍坊雷腾动力机械有限公司 | Electric control system of generator set |
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| Date | Code | Title | Description |
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| 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: 20151014 Termination date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |