CN216008769U - Online noise acquisition and diagnosis equipment for fan - Google Patents
Online noise acquisition and diagnosis equipment for fan Download PDFInfo
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- CN216008769U CN216008769U CN202122520486.XU CN202122520486U CN216008769U CN 216008769 U CN216008769 U CN 216008769U CN 202122520486 U CN202122520486 U CN 202122520486U CN 216008769 U CN216008769 U CN 216008769U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
An online fan noise collection diagnostic device comprising: the noise sensor is used for collecting noise of a part to be detected in the fan, the sensor driving circuit, the data acquisition circuit adopting direct current power supply, the control circuit and the transmission circuit, the noise sensor is electrically connected with the data acquisition circuit through the sensor driving circuit, the control circuit is electrically connected with the data acquisition circuit and the transmission circuit, and the control circuit sends data acquired by the data acquisition circuit to the diagnosis device arranged at the wind field booster station through the transmission circuit and the tower bottom video monitoring network. The utility model provides a signal transmission need not insert fan internal system, can long-term fixed mounting in fan department for the diagnostic work of fan can be accomplished under the condition that need not shut down, has ensured failure diagnosis's reliability and accuracy, can realize the on-line monitoring to fan key parts, has guaranteed the normal operating of fan, has reduced the degree of difficulty of maintenance, has improved production security and maintenance efficiency.
Description
Technical Field
The utility model relates to a wind-powered electricity generation field, in particular to diagnostic equipment is gathered to online noise of fan.
Background
The wind turbine generator system is in a severe environment for a long time, the yaw system and the like are failure high-occurrence parts according to related data analysis and display, the yaw system serves as one of important mechanical systems in the wind turbine generator system, the direction of a wind wheel can be controlled when the wind direction changes, the wind direction change is tracked, and therefore efficient operation of the wind turbine generator system is achieved.
At present, methods based on state monitoring of a fan yaw system include manual auscultation, vibration detection, data mining and the like. The manual auscultation method is mainly used for judging whether a yaw system fails or not by operating personnel according to operating experience, and has the advantages of serious hysteresis, strong artificial subjectivity, low efficiency and large error.
SUMMERY OF THE UTILITY MODEL
The utility model provides an online noise acquisition diagnostic equipment of fan to solve at least one above-mentioned technical problem.
In order to solve the above problem, as an aspect of the present invention, there is provided an online noise collection and diagnosis device for a fan, including: the noise sensor is used for collecting noise of a part to be detected in the fan, the sensor driving circuit, the data collecting circuit adopting direct current power supply, the control circuit and the transmission circuit are used, the noise sensor is electrically connected with the data collecting circuit through the sensor driving circuit, the control circuit is electrically connected with the data collecting circuit and the transmission circuit, and the control circuit sends data collected by the data collecting circuit to the diagnosis device arranged at the wind field booster station through the transmission circuit and a tower bottom video monitoring network.
Preferably, the sensor driving circuit includes a constant current source circuit for driving the noise sensor, and a signal conditioning unit for processing an analog signal output from the noise sensor.
Preferably, the data acquisition circuit is connected to the sensor drive circuit by a shielded coaxial line.
Preferably, the data acquisition circuit comprises an AD conversion circuit for converting the analog signal into a digital signal.
Preferably, the data acquisition circuit is connected with the control circuit through a USB interface.
Preferably, the online noise collection and diagnosis device for the fan further comprises a power supply for supplying power to the sensor driving circuit, the data collection circuit, the control circuit and the transmission circuit.
Since the technical scheme is used, the utility model provides a signal transmission need not insert the fan internal system, can long-term fixed mounting in fan department for the diagnostic work of fan can be accomplished under the condition that need not shut down, the real-time running state of the fan of gathering has ensured more real accurate data, failure diagnosis's reliability and accuracy have been ensured, can realize the on-line monitoring to fan key component, the normal operating of fan has been guaranteed, the degree of difficulty of maintenance is reduced, production safety and maintenance efficiency have been improved.
Drawings
Fig. 1 schematically shows a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the invention are described in detail below, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As an aspect of the utility model, a diagnostic equipment is gathered to online noise of fan is provided, include: the noise sensor is used for collecting noise of a part to be detected in the fan, the sensor driving circuit, the data collecting circuit adopting direct current power supply, the control circuit and the transmission circuit are used, the noise sensor is electrically connected with the data collecting circuit through the sensor driving circuit, the control circuit is electrically connected with the data collecting circuit and the transmission circuit, and the control circuit sends data collected by the data collecting circuit to the diagnosis device arranged at the wind field booster station through the transmission circuit and a tower bottom video monitoring network. The diagnosis device obtains the blade fault diagnosis result according to the collected fan blade noise data, and any method known in the prior art can be adopted, such as CN201310159167.8, CN202010927144.7, and the like.
Preferably, the sensor driving circuit includes a constant current source circuit for driving the noise sensor, and a signal conditioning unit for processing an analog signal output from the noise sensor.
Preferably, the data acquisition circuit is connected to the sensor drive circuit by a shielded coaxial line.
Preferably, the data acquisition circuit comprises an AD conversion circuit for converting the analog signal into a digital signal.
Preferably, the data acquisition circuit is connected with the control circuit through a USB interface.
Preferably, the online noise collection and diagnosis device for the fan further comprises a power supply for supplying power to the sensor driving circuit, the data collection circuit, the control circuit and the transmission circuit.
The utility model discloses in, noise sensor passes through signal shielded wire transmission signal, uses the BNC interface to insert data acquisition circuit, and control circuit passes through the data acquisition card in the USB interface connection data acquisition circuit, and sensor data is gathered in the control, uses the RJ45 interface to upload to diagnostic device with data and realizes remote fault diagnosis.
Since the technical scheme is used, the utility model provides a signal transmission need not insert the fan internal system, can long-term fixed mounting in fan department for the diagnostic work of fan can be accomplished under the condition that need not shut down, the real-time running state of the fan of gathering has ensured more real accurate data, failure diagnosis's reliability and accuracy have been ensured, can realize the on-line monitoring to fan key component, the normal operating of fan has been guaranteed, the degree of difficulty of maintenance is reduced, production safety and maintenance efficiency have been improved.
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 (6)
1. The utility model provides an online noise acquisition diagnostic equipment of fan which characterized in that includes: the noise sensor is used for collecting noise of a part to be detected in the fan, the sensor driving circuit, the data collecting circuit adopting direct current power supply, the control circuit and the transmission circuit are used, the noise sensor is electrically connected with the data collecting circuit through the sensor driving circuit, the control circuit is electrically connected with the data collecting circuit and the transmission circuit, and the control circuit sends data collected by the data collecting circuit to the diagnosis device arranged at the wind field booster station through the transmission circuit and a tower bottom video monitoring network.
2. The online fan noise collection and diagnosis device of claim 1, wherein the sensor driving circuit comprises a constant current source circuit for driving the noise sensor, and a signal conditioning unit for processing an analog signal output by the noise sensor.
3. The online fan noise collection diagnostic device of claim 2, wherein the data collection circuit is connected to the sensor drive circuit via a shielded coaxial line.
4. The online fan noise collection diagnostic device of claim 3, wherein the data collection circuit comprises an AD conversion circuit for converting the analog signal into a digital signal.
5. The online fan noise collection and diagnosis device according to claim 1, wherein the data collection circuit is connected with the control circuit through a USB interface.
6. The online fan noise collection diagnostic device of claim 1, further comprising a power supply for supplying power to the sensor drive circuit, the data collection circuit, the control circuit, and the transmission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122520486.XU CN216008769U (en) | 2021-10-19 | 2021-10-19 | Online noise acquisition and diagnosis equipment for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122520486.XU CN216008769U (en) | 2021-10-19 | 2021-10-19 | Online noise acquisition and diagnosis equipment for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008769U true CN216008769U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122520486.XU Active CN216008769U (en) | 2021-10-19 | 2021-10-19 | Online noise acquisition and diagnosis equipment for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008769U (en) |
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2021
- 2021-10-19 CN CN202122520486.XU patent/CN216008769U/en active Active
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