CN204230861U - Diesel generating set is from shutdown protector - Google Patents
Diesel generating set is from shutdown protector Download PDFInfo
- Publication number
- CN204230861U CN204230861U CN201420668734.2U CN201420668734U CN204230861U CN 204230861 U CN204230861 U CN 204230861U CN 201420668734 U CN201420668734 U CN 201420668734U CN 204230861 U CN204230861 U CN 204230861U
- Authority
- CN
- China
- Prior art keywords
- current
- bridge rectifier
- diesel engine
- electromagnet
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Diesel generating set is from shutdown protector, by Diesel engine, generator, bridge rectifier, electromagnetic switch, electromagnet, Diesel engine throttle, current detection circuit, voltage detecting circuit, control module forms, it is characterized in that the rotor of generator is connected with the rotating shaft of Diesel engine, the output of generator is connected with bridge rectifier, the alternating current sent is transformed into direct current, bridge rectifier is connected with electromagnet, current detection circuit and voltage detecting circuit, the output of current detection circuit and voltage detecting circuit is connected in control module, the beneficial effects of the utility model arrange bridge rectifier, alternating current is transformed into direct current, facilitate the detection of electric current and voltage detecting circuit, when there is voltage in generating set or current fluctuation is excessive, the operation of automatic stopping generating equipment, can not because of voltage or current fluctuation be too large causes damage to generating equipment.
Description
Technical field
The utility model relates to diesel engine generator technical group field, is more particularly that a kind of diesel generating set is from shutdown protector.
Background technology
Electric energy is one of main energy sources of modern society, diesel generating set is a kind of equipment changes mechanical energy being become electric energy, diesel generating set due to volume little, flexible, light, comprehensive, convenient operation and maintenance, be widely used in the departments such as mine, railway, building site, field, road traffic maintenance and factory, enterprise, hospital, as stand-by power supply or temporary source, diesel generating set in use there will be voltage or current fluctuation is excessive, causes damage to its generating equipment.
Summary of the invention
For solving the problem, the utility model devises a kind of diesel generating set from shutdown protector when voltage appears in generating set or current fluctuation is excessive, the operation of automatic stopping generating equipment, can not because of voltage or current fluctuation be too large causes damage to generating equipment, its technical scheme is: described diesel generating set from shutdown protector by Diesel engine, generator, bridge rectifier, electromagnetic switch, electromagnet, Diesel engine throttle, current detection circuit, voltage detecting circuit, control module forms, it is characterized in that the rotor of generator is connected with the rotating shaft of Diesel engine, the output of generator is connected with bridge rectifier, the alternating current sent is transformed into direct current, bridge rectifier is connected with electromagnet, current detection circuit and voltage detecting circuit, the output of current detection circuit and voltage detecting circuit is connected in control module, the electric current collected and voltage signal are delivered in control module, electromagnetic switch is in series with between bridge rectifier and electromagnet, the output of control module connects electromagnetic switch, be used for controlling the closed of electromagnetic switch, and then control the break-make of circuit between bridge rectifier and electromagnet, push rod in electromagnet is near Diesel engine throttle, when the solenoid is energized, the push rod of electromagnet inside promotes Diesel engine throttle, make Diesel engine out of service, and then stop whole generating equipment.
Control module described in the utility model, is characterized in that control module is PLC.
The beneficial effects of the utility model are that diesel generating set arranges bridge rectifier from shutdown protector; alternating current is transformed into direct current; facilitate the detection of electric current and voltage detecting circuit; when there is voltage in generating set or current fluctuation is excessive; the operation of automatic stopping generating equipment, can not because of voltage or current fluctuation be too large causes damage to generating equipment.
accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present utility model, in accompanying drawing 1:
1. Diesel engine, 2. generator, 3. bridge rectifier, 4. electromagnetic switch, 5. electromagnet, 6. Diesel engine throttle, 7. current detection circuit, 8. voltage detecting circuit, 9. control module.
embodiment:
1 pair of the utility model describes in further detail by reference to the accompanying drawings, so that the public grasps implementation method of the present utility model better, the utility model specific embodiment is: described diesel generating set from shutdown protector by Diesel engine 1, generator 2, bridge rectifier 3, electromagnetic switch 4, electromagnet 5, Diesel engine throttle 6, current detection circuit 7, voltage detecting circuit 8, control module 9 forms, it is characterized in that the rotor of generator 2 is connected with the rotating shaft of Diesel engine 1, the output of generator 2 is connected with bridge rectifier 3, the alternating current sent is transformed into direct current, bridge rectifier 3 is connected with electromagnet 5, current detection circuit 7 and voltage detecting circuit 8, the output of current detection circuit 7 and voltage detecting circuit 8 is connected in control module 9, the electric current collected and voltage signal are delivered in control module 9, electromagnetic switch 4 is in series with between bridge rectifier 3 and electromagnet 5, the output of control module 9 connects electromagnetic switch 4, be used for controlling the closed of electromagnetic switch 4, and then control the break-make of circuit between bridge rectifier 3 and electromagnet 5, push rod in electromagnet 5 is near Diesel engine throttle 6, when electromagnet 5 is energized, the push rod of electromagnet 5 inside promotes Diesel engine throttle 6, make Diesel engine 1 out of service, and then stop whole generating equipment.
Control module 9 described in the utility model, is characterized in that control module 9 is for PLC.
The beneficial effects of the utility model arrange bridge rectifier 3, alternating current is transformed into direct current, facilitate the detection of electric current and voltage detecting circuit, when there is voltage in generating set or current fluctuation is excessive, the operation of automatic stopping generating equipment, can not because of voltage or current fluctuation be too large causes damage to generating equipment.
Claims (2)
1. diesel generating set is from shutdown protector, by Diesel engine (1), generator (2), bridge rectifier (3), electromagnetic switch (4), electromagnet (5), Diesel engine throttle (6), current detection circuit (7), voltage detecting circuit (8), control module (9) forms, it is characterized in that the rotor of generator (2) is connected with the rotating shaft of Diesel engine (1), the output of generator (2) is connected with bridge rectifier (3), the alternating current sent is transformed into direct current, bridge rectifier (3) is connected with electromagnet (5), current detection circuit (7) and voltage detecting circuit (8), the output of current detection circuit (7) and voltage detecting circuit (8) is connected in control module (9), electromagnetic switch (4) is in series with between bridge rectifier (3) and electromagnet (5), the output of control module (9) connects electromagnetic switch (4), be used for controlling the closed of electromagnetic switch (4), push rod in electromagnet (5) is near Diesel engine throttle (6).
2. diesel generating set according to claim 1 is from shutdown protector, it is characterized in that control module (9) is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668734.2U CN204230861U (en) | 2014-11-11 | 2014-11-11 | Diesel generating set is from shutdown protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668734.2U CN204230861U (en) | 2014-11-11 | 2014-11-11 | Diesel generating set is from shutdown protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230861U true CN204230861U (en) | 2015-03-25 |
Family
ID=52928913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668734.2U Expired - Fee Related CN204230861U (en) | 2014-11-11 | 2014-11-11 | Diesel generating set is from shutdown protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183464A (en) * | 2018-01-17 | 2018-06-19 | 西安热工研究院有限公司 | A kind of judgement system and method for generator start and stop protection automatic switching |
-
2014
- 2014-11-11 CN CN201420668734.2U patent/CN204230861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183464A (en) * | 2018-01-17 | 2018-06-19 | 西安热工研究院有限公司 | A kind of judgement system and method for generator start and stop protection automatic switching |
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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: 20150325 Termination date: 20161111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |