CN205017240U - Diesel generator control circuit that magnetizes - Google Patents
Diesel generator control circuit that magnetizes Download PDFInfo
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- CN205017240U CN205017240U CN201520781813.9U CN201520781813U CN205017240U CN 205017240 U CN205017240 U CN 205017240U CN 201520781813 U CN201520781813 U CN 201520781813U CN 205017240 U CN205017240 U CN 205017240U
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- magnetizes
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Abstract
The utility model discloses a diesel generator control circuit that magnetizes, including fuse FU1, fuse FU2, switching power supply SS1, generator operation relay KA1, the select switch SB1 that magnetizes, unidirectional flux diode D1, pilot lamp LD magnetizes. The utility model provides a can keep normal, the safe device that magnetizes to the generator of the system of magnetizing. The utility model discloses a manual circuit power input AC220V that magnetizes of generator works as pre exciting switch and places in the off -position, and the return circuit of magnetizing is cut off completely, place in " magnetizing " position as pre exciting switch, when the generator off -duty, it is effective normally to magnetize, when generator operation, and the automatic cutout return circuit of magnetizing, when generator operation signal trouble, the diode can prevent that the excitation motor from supplying power.
Description
Technical field
The utility model relates to a kind of diesel engine generator, particularly relates to a kind of diesel engine generator magnetizing control circuit, belongs to marine electric installation technical field.
Background technology
Diesel engine generator magnetizes control loop, be get a road AC220V power supply from distribution panelboard bus-bar, become DC24V through AC/DC Switching Power Supply, deliver to the excitation electromotor of generator, its objective is to prevent generator from not using for a long time, cause generator remanent magnetism reduce and cannot starter-generator.
The control loop that magnetizes of prior art to be connected a change over switch at DC24 power output end, simultaneously at the output indicator light that magnetizes in parallel.There is following drawback in this circuit: when generator operation, if pre exciting switch is placed on position of magnetizing, voltage can deliver to AC/DC Switching Power Supply by excitation electromotor, and Switching Power Supply may be caused to damage, and the indicator light mistake that simultaneously magnetizes is lighted.Namely when generator normal power generation, can not effective locking charge circuit.
Utility model content
The purpose of this utility model is to provide a kind of diesel engine generator magnetizing control circuit, solves when generator normal power generation, can not the technical problem of effective locking charge circuit.
The purpose of this utility model is achieved by the following technical programs:
A kind of diesel engine generator magnetizing control circuit, comprises fuse FU1, fuse FU2, Switching Power Supply SS1, generator operation relay K A1, the selector switch SB1 that magnetizes, one-way conduction diode D1, magnetizes indicator light LD, the one termination AC220V power supply of described fuse FU1, another termination Switching Power Supply SS1 input of described fuse FU1, described Switching Power Supply SS1 output exports DC24V power supply through fuse FU2, the normally-closed contact 71 termination power DC24V of described generator operation relay K A1 holds, normally-closed contact 72 termination of generator operation relay K A1 magnetizes 1 end of normally opened contact of selector switch SB1, the anode of 2 termination one-way conduction diode D1 of the normally opened contact of the described selector switch SB1 that magnetizes, the negative electrode of described one-way conduction diode D1 connects normally-closed contact 51 end of generator operation relay K A1, normally-closed contact 52 termination of described generator operation relay K A1 magnetizes 5 ends of normally opened contact of selector switch SB1, the 6 termination diesel engine generator excitation electromotor A of normally opened contact of selector switch SB1 of magnetizing hold, the normally-closed contact 81 termination power DC0V of described generator operation relay K A1 holds, normally-closed contact 82 termination of generator operation relay K A1 magnetizes 3 ends of normally opened contact of selector switch SB1, normally-closed contact 61 end of 4 termination generator operation relay K A1 of the normally opened contact of the described selector switch SB1 that magnetizes, normally-closed contact 62 termination of described generator operation relay K A1 magnetizes 7 ends of normally opened contact of selector switch SB1, and 8 termination diesel engine generator excitation electromotor B of the normally opened contact of the selector switch SB1 that magnetizes hold, the two ends of the described indicator light LD that magnetizes connect normally-closed contact 51 end, 61 ends of generator operation relay K A1 respectively.
The purpose of this utility model can also be realized further by following technical measures:
Aforementioned a kind of diesel engine generator magnetizing control circuit, the model of the selector switch SB1 that wherein magnetizes is LA18.
Aforementioned a kind of diesel engine generator magnetizing control circuit, wherein the model of fuse FU1, fuse FU2 is RL1.
Aforementioned a kind of diesel engine generator magnetizing control circuit, wherein the model of generator operation relay K A1 is JZ7-44.
Aforementioned a kind of diesel engine generator magnetizing control circuit, the model of the indicator light LD that wherein magnetizes is AD17-22.
Compared with prior art, the beneficial effects of the utility model are: provide a kind of and keep the device that magnetic charging system is normal, safety magnetizes to generator.Because the utility model increases an one-way conduction diode, can prevent excitation electromotor from falling to power; Increase generator operation block contact at output, effectively can disconnect loop of magnetizing when generator operation, prevent operating personnel's misoperation; Increase pre exciting switch block contact at output, can prevent when generator does not run, pre exciting switch is closing position, and the signal lamp that causes magnetizing of the residual voltage due to excitation electromotor is overdue bright.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.As shown in Figure 1, the utility model diesel engine generator magnetizing control circuit, comprises fuse FU1, fuse FU2, Switching Power Supply SS1, generator operation relay K A1, the selector switch SB1 that magnetizes, one-way conduction diode D1, magnetizes indicator light LD, the one termination AC220V power supply of described fuse FU1, another termination Switching Power Supply SS1 input of described fuse FU1, described Switching Power Supply SS1 output exports DC24V power supply through fuse FU2, the normally-closed contact 71 termination power DC24V of described generator operation relay K A1 holds, normally-closed contact 72 termination of generator operation relay K A1 magnetizes 1 end of normally opened contact of selector switch SB1, the anode of 2 termination one-way conduction diode D1 of the normally opened contact of the described selector switch SB1 that magnetizes, the negative electrode of described one-way conduction diode D1 connects normally-closed contact 51 end of generator operation relay K A1, normally-closed contact 52 termination of described generator operation relay K A1 magnetizes 5 ends of normally opened contact of selector switch SB1, the 6 termination diesel engine generator excitation electromotor A of normally opened contact of selector switch SB1 of magnetizing hold, the normally-closed contact 81 termination power DC0V of described generator operation relay K A1 holds, normally-closed contact 82 termination of generator operation relay K A1 magnetizes 3 ends of normally opened contact of selector switch SB1, normally-closed contact 61 end of 4 termination generator operation relay K A1 of the normally opened contact of the described selector switch SB1 that magnetizes, normally-closed contact 62 termination of described generator operation relay K A1 magnetizes 7 ends of normally opened contact of selector switch SB1, and 8 termination diesel engine generator excitation electromotor B of the normally opened contact of the selector switch SB1 that magnetizes hold, the two ends of the described indicator light LD that magnetizes connect normally-closed contact 51 end, 61 ends of generator operation relay K A1 respectively.The model of selector switch SB1 of wherein magnetizing is LA18, and the model of fuse FU1, fuse FU2 is RL1, and the model of generator operation relay K A1 is JZ7-44, and the model of the indicator light LD that magnetizes is AD17-22.
Generator of the present utility model manually magnetize line power input AC220V, when pre exciting switch is placed on off-position, loop of magnetizing is completely severed; When pre exciting switch is placed on " magnetizing " position, when generator off-duty, normally magnetize effectively, when generator operation, automatically cut off loop of magnetizing, when generator operation signal fault, diode can prevent excitation electromotor from falling to power.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (5)
1. a diesel engine generator magnetizing control circuit, is characterized in that, comprises fuse FU1, fuse FU2, Switching Power Supply SS1, generator operation relay K A1, the selector switch SB1 that magnetizes, one-way conduction diode D1, magnetize indicator light LD, the one termination AC220V power supply of described fuse FU1, another termination Switching Power Supply SS1 input of described fuse FU1, described Switching Power Supply SS1 output exports DC24V power supply through fuse FU2, the normally-closed contact 71 termination power DC24V of described generator operation relay K A1 holds, normally-closed contact 72 termination of generator operation relay K A1 magnetizes 1 end of normally opened contact of selector switch SB1, the anode of 2 termination one-way conduction diode D1 of the normally opened contact of the described selector switch SB1 that magnetizes, the negative electrode of described one-way conduction diode D1 connects normally-closed contact 51 end of generator operation relay K A1, normally-closed contact 52 termination of described generator operation relay K A1 magnetizes 5 ends of normally opened contact of selector switch SB1, the 6 termination diesel engine generator excitation electromotor A of normally opened contact of selector switch SB1 of magnetizing hold, the normally-closed contact 81 termination power DC0V of described generator operation relay K A1 holds, normally-closed contact 82 termination of generator operation relay K A1 magnetizes 3 ends of normally opened contact of selector switch SB1, normally-closed contact 61 end of 4 termination generator operation relay K A1 of the normally opened contact of the described selector switch SB1 that magnetizes, normally-closed contact 62 termination of described generator operation relay K A1 magnetizes 7 ends of normally opened contact of selector switch SB1, and 8 termination diesel engine generator excitation electromotor B of the normally opened contact of the selector switch SB1 that magnetizes hold, the two ends of the described indicator light LD that magnetizes connect normally-closed contact 51 end, 61 ends of generator operation relay K A1 respectively.
2. diesel engine generator magnetizing control circuit as claimed in claim 1, is characterized in that, described in the magnetize model of selector switch SB1 be LA18.
3. diesel engine generator magnetizing control circuit as claimed in claim 1, it is characterized in that, the model of described fuse FU1, fuse FU2 is RL1.
4. diesel engine generator magnetizing control circuit as claimed in claim 1, it is characterized in that, the model of described generator operation relay K A1 is JZ7-44.
5. diesel engine generator magnetizing control circuit as claimed in claim 1, is characterized in that, described in the magnetize model of indicator light LD be AD17-22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781813.9U CN205017240U (en) | 2015-10-10 | 2015-10-10 | Diesel generator control circuit that magnetizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781813.9U CN205017240U (en) | 2015-10-10 | 2015-10-10 | Diesel generator control circuit that magnetizes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017240U true CN205017240U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520781813.9U Active CN205017240U (en) | 2015-10-10 | 2015-10-10 | Diesel generator control circuit that magnetizes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713959A (en) * | 2019-01-09 | 2019-05-03 | 中国长江电力股份有限公司 | A kind of generator excited system excitation blocking device and method |
-
2015
- 2015-10-10 CN CN201520781813.9U patent/CN205017240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713959A (en) * | 2019-01-09 | 2019-05-03 | 中国长江电力股份有限公司 | A kind of generator excited system excitation blocking device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171226 Address after: 212009 Zhenjiang city in Jiangsu Province Economic Development Zone South Road two Patentee after: Zhenjiang SaierNico Automation Co., Ltd. Address before: 212009 Zhenjiang city in Jiangsu Province Economic Development Zone South Road two Patentee before: Zhenjiang SaierNico Electric & Automation Co., Ltd. |