CN217464019U - Oil lubricating system of generator - Google Patents
Oil lubricating system of generator Download PDFInfo
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- CN217464019U CN217464019U CN202123433801.1U CN202123433801U CN217464019U CN 217464019 U CN217464019 U CN 217464019U CN 202123433801 U CN202123433801 U CN 202123433801U CN 217464019 U CN217464019 U CN 217464019U
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Abstract
The utility model discloses a generator lubricating oil system, including main oil tank, oil pump, solenoid valve, apical axis oil circuit, lubricating oil circuit and return oil circuit, the oil pump with the main oil tank is connected and is used for the extraction lubricating oil in the main oil tank, the solenoid valve include with input port and the changeable ground of oil pump connection with the first output port and the second output port of input port intercommunication, the apical axis oil circuit with first output port is connected and is used for exporting the bearing jack-up of lubricating oil with the generator, lubricating oil circuit with second output port is connected and is used for to the inside input lubricating oil of bearing of generator, the return oil circuit with the main oil tank is connected and is used for with the inside lubricating oil of bearing of generator leads back to in the main oil tank. The utility model provides a generator in generator lubricating oil system can the better adaptation gas turbine generating set, guarantee the lubrication, cooling and the clean effect of generator, simple structure is compact.
Description
Technical Field
The utility model relates to a lubricating oil system technical field especially relates to a generator lubricating oil system.
Background
At present, a generator and a combustion engine of a gas turbine generator set commonly share one set of lubricating oil system, an oil supply pipe of the lubricating oil system of the combustion engine is branched and butted with an oil inlet pipe of a bearing of the generator, and fittings such as a throttle orifice plate and the like are arranged on the oil inlet pipe of the bearing of the generator to regulate the flow of oil inlet, so that the lubrication of the two sets of systems can be realized at the same time.
However, when the generator and the combustion engine share the lubricating oil system, it is necessary to ensure that the oil quality of the lubricating oil of the combustion engine and the lubricating oil of the generator are consistent, and ensure that the oil supply flow and the oil supply pressure of the lubricating oil of the combustion engine can simultaneously meet the requirements of the combustion engine and the generator, so that the adaptation of the combustion engine and/or the generator needs to be improved, and the applicability is not strong. Therefore, a set of lubricating oil system needs to be arranged on the generator independently, but the existing lubricating oil system cannot be directly matched with the generator well, and the structure is complex and large, so that the overall weight and size of the gas turbine generator set are overlarge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a generator lubricating oil system to solve present lubricating oil system and can't adapt the generator betterly, the complicated and bulky technical problem of structure.
The utility model provides a generator lubricating oil system, includes main oil tank, oil pump, solenoid valve, apical axis oil circuit, lubricated oil circuit and oil return oil circuit, the oil pump with the main oil tank is connected and is used for the extraction lubricating oil in the main oil tank, the solenoid valve include with input port that the oil pump is connected and switchably with the first output port and the second output port of input port intercommunication, the apical axis oil circuit with first output port is connected and is used for exporting the bearing jack-up of lubricating oil with the generator, lubricated oil circuit with the second output port is connected and is used for to the inside input lubricating oil of bearing of generator, the oil return oil circuit with the main oil tank is connected and is used for with the inside lubricating oil of bearing of generator leads back to in the main oil tank.
Preferably, the generator lubricating oil system further comprises a high-level oil tank arranged between the main oil tank and the generator and connected with the lubricating oil path, and the high-level oil tank is used for being erected at a position higher than a bearing of the generator.
Furthermore, the generator lubricating oil system further comprises a first oil pipe connected with the bottom end of the high-level oil tank, and one end, far away from the high-level oil tank, of the first oil pipe is connected with the lubricating oil way.
Furthermore, the generator lubricating oil system further comprises a second oil pipe connected with the top end of the high-level oil tank, and a high-level oil tank overflow valve and a pipeline view mirror which are arranged on the second oil pipe, wherein one end, far away from the high-level oil tank, of the second oil pipe is connected with the main oil tank.
Furthermore, the generator lubricating oil system further comprises a first oil return pipe connected with the top shaft oil way, a second oil return pipe connected with the lubricating oil way, a first overflow valve arranged on the first oil return pipe and a second overflow valve arranged on the second oil return pipe, wherein one end of the first oil return pipe, which is far away from the top shaft oil way, is connected with the main oil tank, and one end of the second oil return pipe, which is far away from the lubricating oil way, is connected with the main oil tank.
Preferably, the generator lubricating oil system further comprises a pressure gauge connected with the top shaft oil way and/or the lubricating oil way.
Preferably, the generator lubricating oil system further comprises a lubricating oil cooler arranged on the lubricating oil path.
Further, the generator lubricating oil system also comprises a filter arranged between the electromagnetic valve and the oil pump.
Further, the generator lubricating oil system also comprises a temperature sensor arranged in the main oil tank and a heater connected with the main oil tank.
Further, the generator lubricating oil system also comprises a liquid level switch and a liquid level meter which are arranged in the main oil tank.
The utility model discloses following beneficial effect has:
1. the utility model provides a generator lubricating oil system passes through one of them oil circuit and oil pump intercommunication in solenoid valve control apical axis oil circuit and the lubricated oil circuit, can be earlier by apical axis oil circuit output lubricating oil with the bearing jack-up of generator, again by lubricated oil circuit output lubricating oil for the bearing of generator provides lubrication, cooling and cleaning action, thereby the start-up and the running state of adaptation generator respectively, can be applicable to on the generator better, guarantee the lubrication of generator, cooling and clean effect, and this generator lubricating oil system independently sets up for the combustion engine, can integrate and provide lubricating oil for the generator on the base of generator, simple structure is compact and with low costs, do not receive the combustion engine lubricating oil product, the influence of oil pressure and flow isoparametric.
2. The utility model provides a generator lubricating oil system is equipped with the high-order oil tank, and through the oil pressure that the high-order oil tank provided, the bearing oil feed pressure of generator can be balanced, guarantees lubricated effect, can also provide lubricating oil for the bearing of generator by oneself through the high-order oil tank under emergency such as oil pump breaks down, need not to set up emergency pump, guarantees lubrication, cooling and the clean effect of generator, avoids the generator to damage.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic top view of a generator lubricating oil system according to an embodiment of the present invention;
fig. 2 is a schematic front view of the generator lubricating oil system shown in fig. 1.
Illustration of the drawings:
1000. a generator lube system; 1. a main oil tank; 11. a liquid level switch; 12. a liquid level meter; 2. an oil pump; 3. an electromagnetic valve; 4. a top shaft oil passage; 41. a first oil return pipe; 42. a first overflow valve; 5. a lubricating oil path; 51. a second oil return pipe; 52. a second overflow valve; 6. a high-level oil tank; 61. a first oil pipe; 62. a second oil pipe; 7. a pressure gauge; 8. a lubricant cooler; 9. a filter; 91. a third oil return pipe; 92. and a third overflow valve.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the drawings, but the invention can be implemented in many different ways, which will be defined and covered hereinafter.
As shown in fig. 1, the embodiment of the present invention provides a generator lubricating oil system 1000, which includes a main oil tank 1, an oil pump 2, a solenoid valve 3, a top shaft oil path 4, a lubricating oil path 5, and an oil return path (not shown, the same applies below), the oil pump 2 is connected with the main oil tank 1 and is used for pumping lubricating oil in the main oil tank 1, the electromagnetic valve 3 comprises an input port connected with the oil pump 2, and a first output port and a second output port which are communicated with the input port in a switchable manner, wherein the jacking oil path 4 is connected with the first output port and is used for outputting lubricating oil to jack up a bearing of the generator, the lubricating oil path 5 is connected to the second output port and is used for feeding lubricating oil into the bearing of the generator, the oil return path is connected with the main oil tank 1 and is used for guiding the lubricating oil in the bearing of the generator back to the main oil tank 1.
The generator lubricating oil system 1000 is controlled by the electromagnetic valve 3 to enable one of the top shaft oil path 4 and the lubricating oil path 5 to be communicated with the oil pump 2, so that lubricating oil output by the top shaft oil path 4 can jack up a bearing of a generator, lubricating oil output by the lubricating oil path 5 can provide lubricating and cooling effects for the bearing of the generator, the lubricating oil in the bearing of the generator is guided back to the main oil tank 1 through the oil return path to form a circulating oil path, the lubricating oil in a clean and cooling state is continuously provided for the bearing of the generator, and therefore the starting state and the running state of the generator are respectively matched, the generator lubricating oil system can be well suitable for the generator, and the lubricating, cooling and cleaning effects of the generator are guaranteed. Secondly, the generator lubricating oil system 1000 is independent of the gas turbine, can be integrated on the base of the generator to provide lubricating oil for the bearing of the generator, has simple and compact structure and low cost, and is not affected by parameters such as the lubricating oil quality, the oil pressure and the flow of the gas turbine.
Referring to fig. 1 and 2, preferably, the generator lubricating oil system 1000 further includes a high-level oil tank 6, where the high-level oil tank 6 is configured to be disposed between the main oil tank 1 and the generator and connected to the lubricating oil path 5, so that an excess portion of the lubricating oil passing through the lubricating oil path 5 is transferred into the high-level oil tank 6 and fills the high-level oil tank 6, and the high-level oil tank 6 is configured to be erected at a position higher than a bearing of the generator. Through 6 overflow pressure regulations of high-order oil tank can further be balanced get into generator bearing pressure in the lubricated oil circuit 5, guarantee lubricated effect, can also pass through under the emergency such as oil pump 2 breaks down high-order oil tank 6 does by oneself the bearing of generator provides lubricating oil, need not to set up emergency pump, guarantees lubrication, cooling and the clean effect of generator avoid the generator damages.
As shown in fig. 2, the generator lubricating oil system 1000 further includes a first oil pipe 61 and a second oil pipe 62, the first oil pipe 61 and the second oil pipe 62 are both connected to the high-level oil tank 6, the first oil pipe 61 is disposed at the bottom end of the high-level oil tank 6, one end of the first oil pipe 61 away from the high-level oil tank 6 is connected to the lubricating oil path 5, the second oil pipe 62 is disposed at the top end of the high-level oil tank 6, and one end of the second oil pipe 62 away from the high-level oil tank 6 is used for being connected to the main oil tank 1. Lubricating oil circuit 5 passes through first oil pipe 61 does high-order oil tank 6 pours into lubricating oil into, so that high-order oil tank 6 can guarantee the full load state, works as when oil pump 2 breaks down, lubricating oil in the high-order oil tank 6 follows under the effect of self gravity first oil pipe 61 does the bearing of generator provides the oil pressure, thereby balances the oil feed pressure of the bearing of generator.
Further, the generator lubricating oil system 1000 further includes a high-level oil tank overflow valve (not shown, the same below) and a pipeline view mirror (not shown, the same below) connected to the second oil pipe 62, and when the oil pressure in the high-level oil tank 6 is greater than the safety value of the high-level oil tank overflow valve, the second oil pipe 62 is controlled to be conducted through the high-level oil tank overflow valve, so that part of the lubricating oil in the high-level oil tank 6 is guided back to the main oil tank 1, the oil pressure in the high-level oil tank 6 is accurately controlled, and the danger caused by the over-high oil pressure in the high-level oil tank 6 is avoided. Secondly, the using state of the second oil pipe 62 can be conveniently observed through the pipeline sight glass, and the overflow condition of the high-level oil tank 6 can be known in time.
As shown in fig. 1, the generator lubricating oil system 1000 further includes a first oil return pipe 41 connected to the top shaft oil path 4, a second oil return pipe 51 connected to the lubricating oil path 5, a first overflow valve 42 disposed on the first oil return pipe 41, and a second overflow valve 52 disposed on the second oil return pipe 51, wherein one end of the first oil return pipe 41, which is far away from the top shaft oil path 4, is connected to the main oil tank 1, and one end of the second oil return pipe 51, which is far away from the lubricating oil path 5, is connected to the main oil tank 1. When the oil pressure in the top shaft oil way 4 is too high through the matching of the first oil return pipe 41 and the first overflow valve 42, part of the lubricating oil in the top shaft oil way 4 is led back to the main oil tank 1, and when the oil pressure in the lubricating oil way 5 is too high through the matching of the second oil return pipe 51 and the second overflow valve 52, part of the lubricating oil in the lubricating oil way 5 is led back to the main oil tank 1, so that the oil pressure in each oil way is stabilized, and the safety protection effect is realized.
Preferably, the generator lubricating oil system 1000 further comprises a pressure gauge 7 connected with the top shaft oil path 4 and/or the lubricating oil path 5, the pressure gauge 7 is used for detecting the oil pressure in the top shaft oil path 4 and/or the lubricating oil path 5 in real time, and when the oil pressure reaches a preset value, the start and stop of the oil pump 2 is controlled or the switching oil path action of the electromagnetic valve 3 is controlled, so that the top shaft oil pressure requirement and the lubricating and cooling oil pressure requirement of the generator are met, and the generator is better adapted.
Preferably, the generator lubricating oil system 1000 further includes a lubricating oil cooler 8 disposed on the lubricating oil path 5, the lubricating oil cooler 8 is disposed between the main oil tank 1 and the generator, and when the lubricating oil path 5 transmits lubricating oil to the generator, the lubricating oil in the lubricating oil path 5 is cooled by the lubricating oil cooler 8, so as to reduce the temperature of the lubricating oil, and ensure the cooling effect of the lubricating oil on the bearing.
Further, the generator lubricating oil system 1000 further comprises a filter 9 arranged between the electromagnetic valve 3 and the oil pump 2, and lubricating oil pumped by the oil pump 2 is filtered by the filter 9 and then is transmitted to the electromagnetic valve 3, so that the cleanliness of the lubricating oil in the top shaft oil path 4 and the lubricating oil path 5 is ensured.
Further, the generator lubricating oil system 1000 further includes a third oil return pipe 91 and a third overflow valve 92, one end of the third oil return pipe 91 is disposed between the filter 9 and the electromagnetic valve 3, the other end of the third oil return pipe 91 is connected to the main oil tank 1, and the third overflow valve 92 is disposed on the third oil return pipe 91. When the oil pressure between the oil pump 2 and the solenoid valve 3 is too large due to the fact that the solenoid valve 3 is in the process of switching pipelines or the pipelines are temporarily disconnected, part of lubricating oil is guided back into the main oil tank 1 through the matching of the third overflow valve 92 and the third oil return pipe 91, so that the oil pressure is stabilized, and the safety protection effect is realized.
Further, the generator lubricating oil system 1000 further comprises a temperature sensor (not shown, the same below) arranged in the main oil tank 1 and a heater (not shown, the same below) arranged on the side surface of the main oil tank 1, wherein the temperature sensor is used for detecting the temperature of the lubricating oil in the main oil tank 1, the heater is connected with the temperature sensor and is used for starting to heat the lubricating oil in the main oil tank 1 when the temperature of the lubricating oil in the main oil tank 1 is lower than a preset value, so that the lubricating oil in the main oil tank 1 is prevented from being frozen when the environmental temperature is too low, and the temperature of the lubricating oil can be maintained, so that the flowing performance of the lubricating oil is maintained.
Further, generator lubricating oil system 1000 is still including locating level switch 11 and level gauge 12 in the main oil tank 1, through level switch 11 and level gauge 12 real-time detection the surplus of the lubricating oil in the main oil tank 1 is conveniently observed the oil mass in the main oil tank 1, and in time send alarm signal and/or control when lubricating oil in the main oil tank 1 is too few 2 stop operation of oil pump avoid 2 idle rotations of oil pump, protective apparatus safety.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A generator lubricating oil system is characterized by comprising a main oil tank (1), an oil pump (2), an electromagnetic valve (3), a top shaft oil way (4), a lubricating oil way (5) and an oil return oil way, the oil pump (2) is connected with the main oil tank (1) and is used for pumping lubricating oil in the main oil tank (1), the electromagnetic valve (3) comprises an input port connected with the oil pump (2) and a first output port and a second output port which are communicated with the input port in a switchable manner, the jacking shaft oil path (4) is connected with the first output port and is used for outputting lubricating oil to jack up a bearing of the generator, the lubricating oil path (5) is connected with the second output port and is used for inputting lubricating oil into the bearing of the generator, the oil return oil way is connected with the main oil tank (1) and is used for guiding the lubricating oil in the bearing of the generator back to the main oil tank (1).
2. Generator lubrication system according to claim 1, further comprising a high-level oil tank (6) for being arranged between the main oil tank (1) and the generator and connected to the lubricating oil circuit (5), the high-level oil tank (6) being adapted to be erected at a position higher than the bearings of the generator.
3. The generator lubricating oil system according to claim 2, further comprising a first oil pipe (61) connected to a bottom end of the high-level oil tank (6), wherein an end of the first oil pipe (61) away from the high-level oil tank (6) is connected to the lubricating oil passage (5).
4. The generator lubricating oil system according to claim 3, further comprising a second oil pipe (62) connected with the top end of the high-level oil tank (6), and a high-level oil tank overflow valve and a pipeline view mirror arranged on the second oil pipe (62), wherein one end of the second oil pipe (62) far away from the high-level oil tank (6) is connected with the main oil tank (1).
5. The generator lubricating oil system according to claim 1, further comprising a first oil return pipe (41) connected to the top shaft oil way (4), a second oil return pipe (51) connected to the lubricating oil way (5), a first overflow valve (42) arranged on the first oil return pipe (41), and a second overflow valve (52) arranged on the second oil return pipe (51), wherein one end of the first oil return pipe (41) far away from the top shaft oil way (4) is connected to the main oil tank (1), and one end of the second oil return pipe (51) far away from the lubricating oil way (5) is connected to the main oil tank (1).
6. The generator lubricating oil system according to claim 1, characterized in that it further comprises a pressure gauge (7) connected to the top shaft oil passage (4) and/or the lubricating oil passage (5).
7. Generator oil system according to claim 1, characterised in that it further comprises an oil cooler (8) provided on the lubricating oil circuit (5).
8. Generator oil system according to claim 1, characterized in that it further comprises a filter (9) provided between the solenoid valve (3) and the oil pump (2).
9. Generator lubrication system according to claim 1, further comprising a temperature sensor arranged inside the main oil tank (1) and a heater connected to the main oil tank (1).
10. Generator oil system according to claim 1, characterized in that it further comprises a level switch (11) and a level gauge (12) provided in the main oil tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123433801.1U CN217464019U (en) | 2021-12-31 | 2021-12-31 | Oil lubricating system of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123433801.1U CN217464019U (en) | 2021-12-31 | 2021-12-31 | Oil lubricating system of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217464019U true CN217464019U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123433801.1U Active CN217464019U (en) | 2021-12-31 | 2021-12-31 | Oil lubricating system of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217464019U (en) |
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2021
- 2021-12-31 CN CN202123433801.1U patent/CN217464019U/en active Active
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