CN220957884U - Lubrication control system of wind turbine generator - Google Patents
Lubrication control system of wind turbine generator Download PDFInfo
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- CN220957884U CN220957884U CN202323127120.1U CN202323127120U CN220957884U CN 220957884 U CN220957884 U CN 220957884U CN 202323127120 U CN202323127120 U CN 202323127120U CN 220957884 U CN220957884 U CN 220957884U
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- heater
- relay
- programmable logic
- logic controller
- distributor
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- 238000005461 lubrication Methods 0.000 title claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 230000001050 lubricating effect Effects 0.000 claims abstract description 10
- 238000012806 monitoring device Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 25
- 239000010687 lubricating oil Substances 0.000 abstract description 5
- 239000004519 grease Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to the technical field of wind power generation, and provides a lubrication control system of a wind turbine, which comprises the following components: a programmable logic controller and a plurality of heaters. Wherein, each distributor surface in the lubrication system fatting oil way is provided with a heater. The programmable logic controller is connected with the heater, and the programmable logic controller collects temperature signals or oil-way blocking signals at each distributor, and further controls the start and stop of the corresponding heater according to the temperature signals or the oil-way blocking signals. The corresponding heater is controlled to start and stop according to the temperature signal or the oil way blocking signal, and the heater has two starting conditions, so that the distributor always operates in a normal temperature environment, the fluidity of lubricating grease is ensured, the failure rate of a lubricating oil way is reduced, the lubricating quality of a bearing is improved, and the life cycle of a large part is prolonged. Meanwhile, the scheme is simple to operate, low in cost and short in time consumption, and the generating time of the unit is not influenced.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a lubrication control system of a wind turbine generator.
Background
Wind energy is becoming more and more important worldwide as a clean renewable energy source. The wind turbine generator system bearing adopts a progressive lubrication control system, and because the greasing pipeline is longer, the grease has poor low-temperature fluidity particularly under the northern winter extremely cold condition, and the greasing distributor is easy to block, so that the lubrication system cannot work normally, the fan bearing cannot achieve the expected lubrication effect, and a certain risk exists for safe and stable operation of the wind turbine generator system.
Disclosure of utility model
In view of the above, the utility model provides a lubrication control system of a wind turbine generator set, which is used for solving the problem that a fan bearing cannot achieve the expected lubrication effect under the influence of weather.
The utility model provides a lubrication control system of a wind turbine, which comprises: a programmable logic controller and a plurality of heaters, wherein,
The surface of each distributor in the lubrication system greasing oil path is provided with one heater;
The programmable logic controller is connected with the heater, and the programmable logic controller collects temperature signals or oil circuit blocking signals at each distributor, and further controls the start and stop of the corresponding heater according to the temperature signals or the oil circuit blocking signals.
In an alternative embodiment, the system further comprises: the first relay, the first analog input module, the first digital output module and a plurality of temperature sensors, wherein,
A temperature sensor is arranged on the surface of each distributor in a greasing oil path of the lubricating system, and the temperature sensor is in communication connection with the programmable logic controller through the first analog input module;
The programmable logic controller is connected with each heater through the first digital quantity output module and the first relay.
In an alternative embodiment, the programmable logic controller is connected with one end of a coil of the first relay through the first digital quantity output module, the other end of the coil of the first relay is connected with an external power supply cathode, one end of a normally open switch of the first relay is connected with an external power supply anode, and the other end of the normally open switch of the first relay is respectively connected with a power supply anode of each heater;
The power negative electrode of each heater is connected with an external power negative electrode, and the shell of each heater is connected with the grounding end of the lubrication system.
In an alternative embodiment, the system further comprises: the second relay, the second analog input module, the second digital output module and the plurality of oil way blockage signal monitoring devices, wherein,
The oil circuit blockage signal monitoring device is respectively arranged on each distributor and is in communication connection with the programmable logic controller through the second analog input module;
the programmable logic controller is connected with each heater through the second digital output module and the second relay.
In an alternative embodiment, the programmable logic controller is connected with one end of a coil of the second relay through the second digital output module, the other end of the coil of the second relay is connected with an external power supply cathode, one end of a normally open switch of the second relay is connected with an external power supply anode, and the other end of the normally open switch of the second relay is respectively connected with a power supply anode of each heater;
The power negative electrode of each heater is connected with an external power negative electrode, and the shell of each heater is connected with the grounding end of the lubrication system.
In an alternative embodiment, the external power supply positive voltage is 24V and the external power supply negative voltage is 0V.
The utility model provides a lubrication control system of a wind turbine, comprising: a programmable logic controller and a plurality of heaters. Wherein, each distributor surface in the lubrication system fatting oil way is provided with a heater. The programmable logic controller is connected with the heater, and the programmable logic controller collects temperature signals or oil-way blocking signals at each distributor, and further controls the start and stop of the corresponding heater according to the temperature signals or the oil-way blocking signals. The corresponding heater is controlled to start and stop according to the temperature signal or the oil way blocking signal, and the heater has two starting conditions, so that the distributor always operates in a normal temperature environment, the fluidity of lubricating grease is ensured, the failure rate of a lubricating oil way is reduced, the lubricating quality of a bearing is improved, and the life cycle of a large part is prolonged. Meanwhile, the scheme is simple to operate, low in cost and short in time consumption, and the generating time of the unit is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of a lubrication control system for a wind turbine according to an embodiment of the present utility model;
FIG. 2 is a schematic block diagram of another wind turbine lubrication control system according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a lubrication control system for a wind turbine according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
The utility model provides a lubrication control system of a wind turbine, which aims to prevent a lubrication control system of a wind turbine bearing from being influenced by weather and failing to achieve an expected lubrication effect. Wind turbine lubrication control system includes: a programmable logic controller and a plurality of heaters. Wherein, each distributor surface in the lubrication system fatting oil way is provided with a heater. The programmable logic controller is connected with the heater, and the programmable logic controller collects temperature signals or oil-way blocking signals at each distributor, and further controls the start and stop of the corresponding heater according to the temperature signals or the oil-way blocking signals. In fig. 1, only one heater is taken as an example to show the connection relationship between the programmable logic controller and the heater.
In a specific embodiment, after the programmable logic controller collects the temperature signals of each distributor in the lubrication system greasing oil path, the relation between the temperature of the distributor and the preset temperature is judged according to the internal logic of the distributor, and when the temperature of the distributor is lower than the preset temperature, the programmable logic controller controls the heater of the distributor to start so as to heat the lubricating oil of the distributor. When the temperature at the dispenser reaches a preset temperature, the programmable logic controller controls the heater at the dispenser to stop.
In addition, after the programmable logic controller collects oil way blocking signals of the distributor in the oil way of the lubricating system, the oil way blocking of the distributor is judged according to the internal logic of the programmable logic controller, and the programmable logic controller controls the heater at the distributor to start so as to heat the lubricating oil at the distributor. When the oil-way blockage signal disappears, the programmable logic controller controls the heater at the distributor to stop.
In the embodiment of the utility model, the internal logic of the programmable logic controller is the existing mature logic, and interlocking logic exists, namely the two heater starting conditions are not effective at the same time, and only single effective operation is realized, and the specific execution sequence is judged by the internal logic of the programmable logic controller.
The utility model provides a lubrication control system of a wind turbine, comprising: a programmable logic controller and a plurality of heaters. Wherein, each distributor surface in the lubrication system fatting oil way is provided with a heater. The programmable logic controller is connected with the heater, and the programmable logic controller collects temperature signals or oil-way blocking signals at each distributor, and further controls the start and stop of the corresponding heater according to the temperature signals or the oil-way blocking signals. The corresponding heater is controlled to start and stop according to the temperature signal or the oil way blocking signal, and the heater has two starting conditions, so that the distributor always operates in a normal temperature environment, the fluidity of lubricating grease is ensured, the failure rate of a lubricating oil way is reduced, the lubricating quality of a bearing is improved, and the life cycle of a large part is prolonged. Meanwhile, the scheme is simple to operate, low in cost and short in time consumption, and the generating time of the unit is not influenced.
In an alternative embodiment, as shown in fig. 2, the wind turbine lubrication control system further includes: the system comprises a first relay, a first analog quantity input module, a first digital quantity output module and a plurality of temperature sensors. And the surface of each distributor in the lubricating system oil adding way is provided with a temperature sensor, and the temperature sensor is in communication connection with the programmable logic controller through a first analog input module. The programmable logic controller is connected with each heater through the first digital quantity output module and the first relay.
In one embodiment, the temperature sensor is configured to collect a temperature signal at the current dispenser and send the temperature signal to the programmable logic controller via the first analog input module. The programmable logic controller generates a start-stop signal of the heater at the current distributor according to the temperature signal, and outputs a digital quantity signal through the first digital quantity output module to control the first relay to be powered off so as to control the heater to start and stop.
In an alternative embodiment, as shown in fig. 3, the programmable logic controller is connected to one end A1 of the coil of the first relay K1 through the first digital output module, the other end A2 of the coil of the first relay K1 is connected to the negative electrode of the external power source, one end 13 of the normally open switch of the first relay K1 is connected to the positive electrode of the external power source, and the other end 14 of the normally open switch of the first relay K1 is connected to the positive electrode of the power source of each heater SC. The negative power supply pole of each heater SC is connected with the negative power supply pole of the outside, and the shell of each heater SC is connected with the ground terminal of the lubrication system.
In a specific embodiment, the programmable logic controller in fig. 3 is connected to a first digital output module, where the first digital output module is connected to A1 of the first relay K1, and A2 is 0V. The power supply anode 24V is connected with the No. 13 terminal of the first relay K1, the No. 14 terminal of the first relay K1 is connected with the No. 11 terminal of the X3 terminal row, and then is connected with the power supply anode of the heater SC. The negative electrode of the power supply is connected with the No. 12 terminal of the X3 terminal row and then connected with the negative electrode of the heater SC. The heater SC housing is connected to the X3 terminal block PE and then to the system PE. Wherein, the positive voltage of the external power supply is 24V, and the negative voltage of the external power supply is 0V.
Specifically, when the temperature at the distributor is lower than 20 ℃ (the settable temperature), the programmable logic controller controls the first digital quantity output module to output 24V, controls the coil of the first relay K1 to be powered on, the terminals 13 and 14 of the first relay K1 are connected, the heater SC starts heating, when the temperature reaches 35 ℃ (the settable temperature), the first digital quantity output module outputs 0V, the first relay K1 is powered off, and the heater SC stops heating.
In an alternative embodiment, as shown in fig. 2, the wind turbine lubrication control system further includes: the device comprises a second relay, a second analog input module, a second digital output module and a plurality of oil way blockage signal monitoring devices. The oil circuit blockage signal monitoring devices are respectively arranged on each distributor and are in communication connection with the programmable logic controller through the second analog input module. The programmable logic controller is connected with each heater through a second digital quantity output module and a second relay.
In a specific embodiment, the oil circuit blockage signal monitoring device is used for collecting an oil circuit blockage signal at the current distributor. And sending the oil circuit blocking signal to the programmable logic controller through the second analog input module. The programmable logic controller generates a start-stop signal of the heater at the current distributor according to the oil way blocking signal, and outputs a digital quantity signal through the second digital quantity output module to control the second relay to be powered off so as to control the heater to start and stop. The oil circuit blocking signal can be a fatliquor overtime alarm or a fat outlet flow reduction.
In an alternative embodiment, as shown in fig. 3, the programmable logic controller is connected with one end A1 of the coil of the second relay K2 through the second digital output module, the other end A2 of the coil of the second relay K2 is connected with the negative electrode of the external power supply, one end 13 of the normally open switch of the second relay K2 is connected with the positive electrode of the external power supply, and the other end 14 of the normally open switch of the second relay K2 is respectively connected with the positive electrode of the power supply of each heater SC; the negative power supply pole of each heater SC is connected with the negative power supply pole of the outside, and the shell of each heater SC is connected with the ground terminal of the lubrication system.
In a specific embodiment, the programmable logic controller in fig. 3 is connected to the second digital output module, and the second digital output module is connected to A1 of the second relay K2, where A2 is 0V. The power supply anode 24V is connected with the No. 13 terminal of the second relay K2, the No. 14 terminal of the second relay K2 is connected with the No. 11 terminal of the X3 terminal row, and then is connected with the power supply anode of the heater SC. The negative electrode of the power supply is connected with the No. 12 terminal of the X3 terminal row and then connected with the negative electrode of the heater SC. The heater SC housing is connected to the X3 terminal block PE and then to the system PE. Wherein, the positive voltage of the external power supply is 24V, and the negative voltage of the external power supply is 0V.
Specifically, when the fatliquor overtime alarm or the fat liquor flow rate at the distributor is reduced, the programmable logic controller controls the second digital quantity output module to output 24V, controls the coil of the second relay K2 to be powered on, the terminals 13 and 14 of the second relay K2 are connected, the heater SC starts heating, when the fatliquor overtime alarm disappears or the fat liquor flow rate is increased, the second digital quantity output module outputs 0V, the second relay K2 loses power, and the heater SC stops heating.
The start and stop of the corresponding heater are controlled according to the temperature signal or the oil way blocking signal, and the two heating control modes are more stable and reliable, so that the lubrication system can be ensured to be effective and reliable for a long time. The failure rate is reduced by more than 80%, the lubrication of the bearing is ensured, and the fatigue wear degree of the large part is reduced.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (6)
1. A wind turbine lubrication control system, the system comprising: a programmable logic controller and a plurality of heaters, wherein,
The surface of each distributor in the lubrication system greasing oil path is provided with one heater;
The programmable logic controller is connected with the heater, and the programmable logic controller collects temperature signals or oil circuit blocking signals at each distributor, and further controls the start and stop of the corresponding heater according to the temperature signals or the oil circuit blocking signals.
2. The wind turbine lubrication control system of claim 1, wherein the system further comprises: the first relay, the first analog input module, the first digital output module and a plurality of temperature sensors, wherein,
A temperature sensor is arranged on the surface of each distributor in a greasing oil path of the lubricating system, and the temperature sensor is in communication connection with the programmable logic controller through the first analog input module;
The programmable logic controller is connected with each heater through the first digital quantity output module and the first relay.
3. The lubrication control system of a wind turbine generator system according to claim 2, wherein the programmable logic controller is connected with one end of a coil of the first relay through the first digital quantity output module, the other end of the coil of the first relay is connected with an external power supply negative electrode, one end of a normally open switch of the first relay is connected with an external power supply positive electrode, and the other end of the normally open switch of the first relay is respectively connected with a power supply positive electrode of each heater;
The power negative electrode of each heater is connected with an external power negative electrode, and the shell of each heater is connected with the grounding end of the lubrication system.
4. The wind turbine lubrication control system of claim 1, wherein the system further comprises: the second relay, the second analog input module, the second digital output module and the plurality of oil way blockage signal monitoring devices, wherein,
The oil circuit blockage signal monitoring device is respectively arranged on each distributor and is in communication connection with the programmable logic controller through the second analog input module;
the programmable logic controller is connected with each heater through the second digital output module and the second relay.
5. The lubrication control system of a wind turbine generator according to claim 4, wherein the programmable logic controller is connected with one end of a coil of the second relay through the second digital output module, the other end of the coil of the second relay is connected with an external power supply negative electrode, one end of a normally open switch of the second relay is connected with an external power supply positive electrode, and the other end of the normally open switch of the second relay is respectively connected with a power supply positive electrode of each heater;
The power negative electrode of each heater is connected with an external power negative electrode, and the shell of each heater is connected with the grounding end of the lubrication system.
6. The lubrication control system of a wind turbine according to claim 3 or 5, wherein the positive voltage of the external power supply is 24V and the negative voltage of the external power supply is 0V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323127120.1U CN220957884U (en) | 2023-11-17 | 2023-11-17 | Lubrication control system of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323127120.1U CN220957884U (en) | 2023-11-17 | 2023-11-17 | Lubrication control system of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957884U true CN220957884U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323127120.1U Active CN220957884U (en) | 2023-11-17 | 2023-11-17 | Lubrication control system of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957884U (en) |
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2023
- 2023-11-17 CN CN202323127120.1U patent/CN220957884U/en active Active
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