CN214464687U - State monitoring signal acquisition device for key components of wind turbine generator - Google Patents
State monitoring signal acquisition device for key components of wind turbine generator Download PDFInfo
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- CN214464687U CN214464687U CN202120541329.4U CN202120541329U CN214464687U CN 214464687 U CN214464687 U CN 214464687U CN 202120541329 U CN202120541329 U CN 202120541329U CN 214464687 U CN214464687 U CN 214464687U
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Abstract
The utility model discloses a wind turbine generator system key part state monitoring signal acquisition device, including upper and lower two-layer signal acquisition card, wherein upper signal acquisition card is low frequency signal acquisition card, external 1 RS485 signal acquisition port module, 1 switching value signal acquisition port module, 1 can bus acquisition port module, 1 RJ45 communication port module, is used for the data acquisition of low frequency signals such as the electric signal of wind turbine generator system communication sliding ring, the current signal and the magnetic leakage signal of generator, generator speed signal respectively; the lower signal acquisition card is a high-frequency signal acquisition card, is externally connected with 5 high-frequency signal acquisition port modules and is respectively used for measuring vibration signals of a main bearing, a gear box, a generator, a cabin, a tower and a yaw bearing of the wind turbine generator. The comprehensive and integrated monitoring of the key components of the wind turbine generator is realized, the healthy running state of the key components of the wind turbine generator is mastered in time, and the unplanned shutdown of the wind turbine generator caused by the fault of the key components is avoided.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, concretely relates to wind turbine generator system key part state monitoring signal collection system.
Background
Although the state monitoring system of the wind turbine generator has been developed for many years, the state monitoring device used in the industry only has a high-frequency vibration testing channel and a rotating speed channel, and cannot acquire a generator current high-frequency harmonic testing signal, a generator magnetic leakage testing signal, a communication slip ring testing signal and a yaw bearing vibration testing signal, and cannot realize the omnibearing state monitoring of key components of the wind turbine generator. Therefore, the wind turbine generator has more monitoring blind spots in the operation process, once components such as a communication slip ring or a generator winding are suddenly damaged, the wind turbine generator can be stopped for a long time, and great economic loss is brought to the operation of a wind power plant.
Moreover, the wiring terminal layout of the existing wind turbine state monitoring system is disordered, and errors that the actual monitoring measurement points are inconsistent with the positions of the wind turbine corresponding to the software easily occur in the installation process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem among the prior art, the utility model provides a wind turbine generator system key part state monitoring signal collection system realizes the vibration signal to wind turbine generator system base bearing, the gear box, the generator, cabin and pylon, driftage bearing, communication sliding ring test signal, generator current high frequency harmonic test signal, the real-time collection of generator magnetic leakage test signal, and then master wind turbine generator system's all-round running state, realize the monitoring of wind turbine generator system integration running state, the safety and stability of guarantee unit moves.
And the ports of the signal acquisition device are designed into an upper layer and a lower layer, each port corresponds to one large unit component as much as possible, and the ports are sequentially connected from left to right, so that the on-site connection of each monitoring point and a cable is facilitated, and the error that the monitoring points on the analysis software are inconsistent with the monitoring points of the actual sensor is avoided.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts does:
a state monitoring signal acquisition device for key components of a wind turbine generator comprises an acquisition device box body 1, a low-frequency signal acquisition card 2, a high-frequency signal acquisition card 3, a 24V power port 4, a low-frequency signal RS485 signal acquisition port 5, a low-frequency signal switching value signal acquisition port 6, a low-frequency signal can bus acquisition port 7, an RJ45 communication port 8, a high-frequency main bearing vibration test signal acquisition port 9, a high-frequency gearbox vibration test signal acquisition port 10, a high-frequency generator vibration test signal and high-frequency cabin and tower vibration test signal acquisition port 11, a high-frequency generator current harmonic test signal, a high-frequency generator magnetic leakage test signal acquisition port 12 and a high-frequency yaw bearing vibration test signal acquisition port 13; the signal acquisition port is divided into an upper layer and a lower layer, wherein a 24V power port 4, a low-frequency signal RS485 signal acquisition port 5, a low-frequency signal switching value signal acquisition port 6, a low-frequency signal can bus acquisition port 7 and an RJ45 communication port 8 are sequentially positioned on the upper layer of the side surface of the acquisition device box body 1 from left to right to form an upper layer acquisition port, and the upper layer acquisition port is connected with a low-frequency signal acquisition card 2 positioned on the upper layer in the acquisition device box body 1; the high-frequency main bearing vibration test signal acquisition port 9, the high-frequency gear box vibration test signal acquisition port 10, the high-frequency generator vibration test signal and high-frequency cabin and tower vibration test signal acquisition port 11, the high-frequency generator current harmonic wave test signal and high-frequency generator magnetic leakage test signal acquisition port 12 and the high-frequency yaw bearing vibration test signal acquisition port 13 are sequentially located on the lower layer of the side face of the acquisition device box body 1 from left to right to form a lower layer acquisition port, and the lower layer acquisition port is connected with the high-frequency signal acquisition card 3 located on the lower layer inside the acquisition device box body 1.
Preferably, the low-frequency signal acquisition card 2 is connected with the high-frequency signal acquisition card 3 through a flat cable.
Preferably, the upper layer collection port and the lower layer collection port are respectively and reliably connected with the collection device box body 1 through bolts.
Preferably, the upper-layer acquisition port is connected with a low-frequency signal acquisition card 2 positioned in the acquisition device box body 1 in a soldering manner; the lower acquisition port is connected with a high-frequency signal acquisition card 3 positioned in the acquisition device box body 1 by tin soldering.
Preferably, the collection device box 1 is a stainless steel box.
Compared with the prior art, the invention has the following advantages:
1) the realization is to the vibration signal of wind turbine generator system base bearing, gear box, generator, cabin and pylon, driftage bearing, and the all-round running state of wind turbine generator system is then mastered to the real-time collection of communication sliding ring test signal, generator current high frequency harmonic test signal, generator magnetic leakage test signal, realizes the monitoring of wind turbine generator system integration running state, the safety and stability operation of guarantee unit.
2) The ports of the signal acquisition device are designed into an upper layer and a lower layer, each port corresponds to one large unit component as much as possible, and the ports are sequentially connected from left to right, so that the on-site connection of each monitoring point and a cable is facilitated, and the error of inconsistency between the monitoring points on the analysis software and the monitoring points of the actual sensor is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure, 1: a collection device box body; 2: a low-frequency signal acquisition card; 3: a high-frequency signal acquisition card; 4: a 24V power port; 5: a low-frequency signal RS485 signal acquisition port; 6: low frequency signal switching value signal acquisition port, 7: a low frequency signal can bus acquisition port; 8: an RJ45 communication port; 9: a vibration test signal acquisition port of the high-frequency main bearing; 10: a high-frequency gearbox vibration test signal acquisition port; 11: a high-frequency generator vibration test signal and a high-frequency cabin and tower vibration test signal acquisition port; 12: a high-frequency generator current harmonic test signal and a high-frequency generator magnetic flux leakage test signal acquisition port; 13: high frequency driftage bearing vibration test signal acquisition port.
Detailed Description
The invention will be further explained with reference to the detailed description and the attached figure 1.
As shown in fig. 1, the utility model relates to a wind turbine generator system key parts state monitoring signal collection system, the device includes collection system box 1, low frequency signal collection card 2, high frequency signal collection card 3, 24V power port 4, low frequency signal RS485 signal collection port 5, low frequency signal switching value signal collection port 6, low frequency signal can bus collection port 7, RJ45 communication port 8, high frequency main bearing vibration test signal collection port 9, high frequency gear box vibration test signal collection port 10, high frequency generator vibration test signal and high frequency cabin and pylon vibration test signal collection port 11, high frequency generator current harmonic test signal and high frequency generator magnetic leakage test signal collection port 12 and high frequency driftage bearing vibration test signal collection port 13.
As shown in fig. 1, the low frequency signal acquisition card 2 and the high frequency signal acquisition card 3 are divided into an upper layer and a lower layer, and are fixed inside the acquisition device box 1 through bolts, and the low frequency signal acquisition card 2 is connected with the high frequency signal acquisition card 3 through a flat cable.
As shown in fig. 1, the upper-layer low-frequency signal acquisition card 2 is connected with a 24V power port 4, a low-frequency signal RS485 signal acquisition port 5, a low-frequency signal switching value signal acquisition port 6, a low-frequency signal can bus acquisition port 7 and an RJ45 communication port 8 through soldering.
As shown in fig. 1, the lower layer low frequency signal acquisition card 3 is connected with a high frequency main bearing vibration test signal acquisition port 9, a high frequency gearbox vibration test signal acquisition port 10, a high frequency generator vibration test signal and high frequency nacelle and tower vibration test signal acquisition port 11, a high frequency generator current harmonic test signal and high frequency generator magnetic flux leakage test signal acquisition port 12 and a high frequency yaw bearing vibration test signal acquisition port 13 by soldering.
The low-frequency signal acquisition card 2 is used for acquiring a rotating speed signal, a communication slip ring electric signal and receiving a wireless communication module signal, is in bridge connection with the signal acquired by the high-frequency signal acquisition card 3, and is connected with a server through a network cable by utilizing an RJ45 communication port 6 to realize information interaction between the acquisition device and the server; the high-frequency signal acquisition card 3 is used for acquiring high-frequency vibration signals of a main bearing, a gear box, a generator, a cabin, a tower and a yaw bearing and high-frequency signals of generator magnetic leakage and current harmonic waves; the 24V power supply port 4 is used for supplying power to the state monitoring signal acquisition device of the key part of the wind turbine generator; the RS485 signal acquisition port 5 is used for externally connecting a wireless communication module signal; the switching value signal acquisition port 6 is used for externally connecting a rotating speed test signal; the can bus acquisition port 7 is used for externally connecting a communication slip ring test signal; an RJ45 communication port 8 for communication between the acquisition device and the server; the high-frequency signal acquisition port 9 is externally connected with a main bearing vibration test signal; the high-frequency signal acquisition port 10 is externally connected with a vibration test signal of the gearbox; the high-frequency signal acquisition port 11 is respectively used for externally connecting a generator vibration test signal, a cabin vibration test signal and a tower vibration test signal; the high-frequency signal acquisition port 12 is respectively used for externally connecting a generator current high-frequency harmonic test signal and a generator magnetic leakage test signal; and the high-frequency signal acquisition port 13 is externally connected with a yaw bearing vibration test signal.
Claims (5)
1. A state monitoring signal acquisition device for key components of a wind turbine generator is characterized by comprising an acquisition device box body (1), a low-frequency signal acquisition card (2), a high-frequency signal acquisition card (3), a 24V power port (4), a low-frequency signal RS485 signal acquisition port (5), a low-frequency signal switching value signal acquisition port (6), a low-frequency signal can bus acquisition port (7), an RJ45 communication port (8), a high-frequency main bearing vibration test signal acquisition port (9), a high-frequency gearbox vibration test signal acquisition port (10), a high-frequency generator vibration test signal and high-frequency cabin and tower vibration test signal acquisition port (11), a high-frequency generator current harmonic test signal, a high-frequency generator magnetic leakage test signal acquisition port (12) and a high-frequency yaw bearing vibration test signal acquisition port (13); the signal acquisition port is divided into an upper layer and a lower layer, wherein a 24V power port (4), a low-frequency signal RS485 signal acquisition port (5), a low-frequency signal switching value signal acquisition port (6), a low-frequency signal can bus acquisition port (7) and an RJ45 communication port (8) are sequentially positioned on the upper layer of the side surface of the acquisition device box body (1) from left to right to form an upper layer acquisition port, and the upper layer acquisition port is connected with a low-frequency signal acquisition card (2) positioned on the upper layer in the acquisition device box body (1); the high-frequency main bearing vibration test signal acquisition port (9), the high-frequency gear box vibration test signal acquisition port (10), a high-frequency generator vibration test signal and high-frequency cabin and tower vibration test signal acquisition port (11), a high-frequency generator current harmonic test signal and high-frequency generator magnetic leakage test signal acquisition port (12) and a high-frequency yaw bearing vibration test signal acquisition port (13) are sequentially located on the lower layer of the side surface of the acquisition device box body (1) from left to right to form a lower layer acquisition port, and the lower layer acquisition port is connected with a high-frequency signal acquisition card (3) located on the inner lower layer of the acquisition device box body (1).
2. The wind turbine generator system key component state monitoring signal acquisition device according to claim 1, wherein the low-frequency signal acquisition card (2) is connected with the high-frequency signal acquisition card (3) through a flat cable.
3. The wind turbine generator system key component state monitoring signal acquisition device according to claim 1, wherein the upper layer acquisition port and the lower layer acquisition port are respectively and reliably connected with the acquisition device box body (1) through bolts.
4. The condition monitoring signal acquisition device for the key components of the wind turbine generator set according to claim 1, wherein the upper acquisition port is connected with a low-frequency signal acquisition card (2) positioned in an acquisition device box body (1) in a soldering manner; the lower acquisition port is connected with a high-frequency signal acquisition card (3) positioned in the acquisition device box body (1) in a soldering way.
5. The wind turbine generator system key component state monitoring signal acquisition device according to claim 1, wherein the acquisition device box (1) is a stainless steel box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120541329.4U CN214464687U (en) | 2021-03-16 | 2021-03-16 | State monitoring signal acquisition device for key components of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120541329.4U CN214464687U (en) | 2021-03-16 | 2021-03-16 | State monitoring signal acquisition device for key components of wind turbine generator |
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| Publication Number | Publication Date |
|---|---|
| CN214464687U true CN214464687U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120541329.4U Active CN214464687U (en) | 2021-03-16 | 2021-03-16 | State monitoring signal acquisition device for key components of wind turbine generator |
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| Country | Link |
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| CN (1) | CN214464687U (en) |
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2021
- 2021-03-16 CN CN202120541329.4U patent/CN214464687U/en active Active
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