A voiceprint detection device applied to early fault warning of a fan blade
By analyzing the weak sound waves of the wind turbine in real time using a soundprint detection device, the problems of low detection efficiency and safety risks of wind turbines have been solved. This enables early fault warning and comprehensive monitoring, reduces costs, and extends service life.
Patent Information
- Application Number
- CN202422565999.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing wind turbine testing methods are inefficient, produce inaccurate measurement results, cannot achieve real-time monitoring and remote control, and pose safety risks and high management and maintenance costs due to manual testing.
Design a voiceprint detection device that uses a small microphone to capture weak sound waves and combines an internal voiceprint PCB and signal processing module for real-time analysis. The device can be linked with other equipment to form a comprehensive monitoring system. It is suitable for various types of fans and features a quick-release structure and high-temperature corrosion resistant materials.
It enables timely monitoring of wind turbine status and early fault warning, improves the comprehensiveness and accuracy of monitoring, reduces costs, adapts to harsh environments, and extends service life.
Smart Images

Figure CN223608693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan blade monitoring technical field especially, it is a kind of soundprint detection device for early fault warning of fan blade. BACKGROUND
[0002] Fan is a kind of mechanical energy conversion of prime mover into gas pressure energy and kinetic energy, is widely used in various fields.In industrial production, fan is often used in ventilation, smoke exhaust, cooling, pneumatic conveying etc.Link;In the field of construction, it can be used for ventilation, air conditioning system;In the environmental protection field, for waste gas treatment and air purification etc..With the continuous development of modern industry, the operation reliability and performance of fan are crucial to the stability, safety and energy consumption of production process.Fan detection mainly relies on artificial experience and simple measuring tools, such as pitot tube, anemometer etc.Local parameter measurement.
[0003] This prior art has the following problems when using: this measurement method is not only inefficient, and the accuracy and reliability of measurement results are difficult to guarantee, and is easily affected by environmental factors and human operation error.Fan detection in running state has limited parameters, and cannot comprehensively understand the performance and potential problems of fan.The traditional detection method lacks intelligent data analysis and processing capability.Cannot real-time monitor and analyze the operation data of fan, and it is difficult to quickly and accurately diagnose the fault type and reason of fan.Cannot realize remote monitoring and control, and the management and maintenance cost of fan equipment distributed in different places is high.In some special environments, such as high temperature, high pressure, flammable and explosive places, manual detection of fan has great safety risk. UTILITY MODEL CONTENT
[0004] In order to overcome the deficiencies of prior art, the utility model provides a soundprint detection device for early fault warning of fan blade, small microphone can capture weak sound wave in fan operation process, timely monitor the state of fan, high sensitivity, soundprint detection device overall volume is smaller and is installed in different positions of fan, suitable for various fans, internal soundprint PCB and microphone can be monitored in real time, when fan abnormal sound, internal soundprint PCB data built-in signal processing module is analyzed according to real-time acquisition data, can quickly identify abnormal sound of fan, early warning fault.The device can be linked with other monitoring equipment to form a comprehensive monitoring system, improve the comprehensiveness of fan monitoring, compared with traditional monitoring equipment, cost is lower, suitable for large-scale application, data processing capacity.
[0005] To solve the above technical problems, the utility model provides the following technical scheme:An acoustic model detection device for early fault warning of fan blade, including device main part, device main part is by main shell, protection cover, bottom shell, installation base is composed, the outer surface of main shell is installed with protection cover, the bottom end inboard of protection cover is installed with bottom shell, the bottom end of bottom shell is provided with installation base, the centre of main shell is installed with microphone, the inboard of main shell is provided with internal acoustic model PCB, internal acoustic model PCB adopts built -in signal processing module, microphone is connected with internal acoustic model PCB, internal acoustic model PCB is fixedly installed in the inboard of main shell through screw hole, the one side of internal acoustic model PCB is welded with aviation socket, the one side surface of the top of main shell is provided with pilot lamp, pilot lamp is connected with internal acoustic model PCB, the other side of internal acoustic model PCB is installed with antenna, the antenna is fixedly connected with internal acoustic model PCB through threaded column and threaded sleeve, the one side of installation base top is installed with clamping buckle, the one side surface of the top of installation base is fixed with clamping buckle through screw, the one end of antenna is in the inside of snap ring of clamping buckle.
[0006] As a preferred technical scheme of the utility model, the top end outer surface of the bottom shell is provided with three limit blocks, one of the limit blocks is provided with a spring ejector pin on the inner side, and the protection cover is fixedly installed with the bottom shell by rotating the spring ejector pin.
[0007] As a preferred technical scheme of the utility model, the side surface of the protection cover away from the antenna is provided with an aviation socket.
[0008] As a preferred technical scheme of the utility model, the end of the antenna close to the protection cover is provided with a bent connecting rod.
[0009] As a preferred technical scheme of the utility model, the number of pilot lamps is two, one of the pilot lamps is a power lamp, and the other pilot lamp is an alarm prompt lamp.
[0010] As a preferred technical scheme of the utility model, the main shell, the protection cover, the bottom shell and the installation base are made of high-temperature corrosion resistant material.
[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0012] 1, Small microphone can capture weak sound wave in the process of fan operation, timely monitoring the state of the fan, high sensitivity, the overall volume of voiceprint detection device is small and convenient to install in different positions of the fan, suitable for various fans, internal voiceprint PCB and microphone can monitor in real time, when the fan abnormal sound, the data of internal voiceprint PCB built-in signal processing module according to the real-time data analysis, can quickly identify the abnormal sound of fan, early warning failure. The device can be linked with other monitoring equipment to form a comprehensive monitoring system, improve the comprehensiveness of fan monitoring, compared with traditional monitoring equipment, the cost is lower, suitable for large-scale application, data processing capacity.
[0013] 2, through the collocation of protective cover, spring needle, bottom shell, voiceprint detection device installation and maintenance is more convenient, reduces the downtime of the device, improves the working efficiency of the device, the quick release structure design allows users to quickly recycle sensor equipment;By setting aviation socket on the side surface of the protective cover, the device is connected with the power cord through the aviation socket;By setting two indicator lights, personnel can check the indicator light to determine whether the device is running normally;By setting the main shell, protective cover, bottom shell, mounting base to high temperature corrosion resistant material, so that the device adapts to the harsh conditions of the fan working environment, prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structure schematic diagram of the utility model.
[0015] Figure 2 It is the aviation socket front structure schematic diagram of the utility model.
[0016] Figure 3 It is the overhead structure schematic diagram of the utility model.
[0017] Figure 4 It is the clamping back structure schematic diagram of the utility model.
[0018] Figure 5 It is the clamping front structure schematic diagram of the utility model.
[0019] 1, main shell;2, protective cover;3, spring needle;4, bottom shell;5, mounting base;6, aviation socket;7, indicator light;8, microphone;9, antenna;10, clamping. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Embodiment, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 The utility model provides a kind of soundprint detection device applied to fan blade early fault early warning, including device main body, device main body is by main shell 1, protective cover 2, bottom shell 4, installation base 5 is formed, protective cover 2 is installed on the outer surface of main shell 1, bottom shell 4 is installed on the inner side of the bottom end of protective cover 2, installation base 5 is provided at the bottom end of bottom shell 4, microphone 8 is installed at the center of main shell 1, internal soundprint PCB is provided in the inner side of main shell 1, internal soundprint PCB uses built-in signal processing module, microphone 8 is electrically connected with internal soundprint PCB, internal soundprint PCB is fixedly installed in the inner side of main shell 1 by screw hole, aviation socket 6 is welded on the side of internal soundprint PCB, indicating lamp 7 is provided on the surface of the top end of main shell 1, indicating lamp 7 is electrically connected with internal soundprint PCB, antenna 9 is installed on the other side of internal soundprint PCB, antenna 9 is fixedly connected with internal soundprint PCB by threaded column and threaded sleeve, clamping buckle 10 is installed on the top end of installation base 5, clamping buckle 10 is fixed on the top end of the surface of installation base 5 by screw, one end of antenna 9 is in the inner side of snap ring of clamping buckle 10;Small microphone 8 can capture weak sound wave in the running process of fan, timely monitor the state of fan, and high sensitivity.Soundprint detection device is small in overall size and is installed in different positions of fan, suitable for various fans, internal soundprint PCB and microphone 8 can be monitored in real time, when fan is abnormally noisy, the data built-in signal processing module of internal soundprint PCB analyzes the data collected in real time, can quickly identify the abnormal sound of fan, and early warning failure.The device can be linked with other monitoring equipment to form a comprehensive monitoring system, improve the comprehensiveness of fan monitoring, compared with traditional monitoring equipment, cost is lower, suitable for large-scale application, data processing capacity.
[0022] As Figure 1 Indicated, the outer surface of the top end of bottom shell 4 is provided with three limit blocks, one of the limit blocks is provided with spring needle 3 on the inner side, protective cover 2 is fixedly installed with bottom shell 4 by rotating spring needle 3;Through the collocation of protective cover 2, spring needle 3 and bottom shell 4, soundprint detection device installation and maintenance are more convenient, reduce the device downtime, improve the working efficiency of device, and fast disassembly structure design allows user to quickly recycle sensor equipment.
[0023] As Figure 1 , Figure 2 shown, the protection cover 2 is provided with an aviation socket 6 on the side surface away from the antenna 9; by providing the aviation socket 6 on the side surface of the protection cover 2, the device is connected with the power line through the aviation socket 6.
[0024] As Figure 1 shown, the antenna 9 is provided with a bending connecting rod near one end of the protection cover 2; by setting the antenna 9 as a bending type, the antenna 9 is more flexible to use.
[0025] As Figure 1 , Figure 3 shown, the number of the indicator light 7 is provided with two, one of which is a power light, and the other is an alarm prompt light; by setting two indicator lights 7, the personnel can check the indicator light 7 to determine whether the device is running normally.
[0026] As Figure 1 shown, the main shell 1, the protection cover 2, the bottom shell 4 and the mounting base 5 are made of high-temperature corrosion-resistant materials; by setting the main shell 1, the protection cover 2, the bottom shell 4 and the mounting base 5 as high-temperature corrosion-resistant materials, the device can adapt to the harsh conditions of the environment when the fan works, and the service life is prolonged.
[0027] The above shows and describes the basic principles, main features and advantages of the present application. The skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, the present application can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A voiceprint detection device applied to early fault warning of a fan blade, comprising a device main body, characterized in that: The device body is composed of a main shell (1), a protective cover (2), a bottom shell (4), and a mounting base (5), the outer surface of the main shell (1) is provided with a protective cover (2), the inner side of the bottom end of the protective cover (2) is provided with a bottom shell (4), the bottom end of the bottom shell (4) is provided with a mounting base (5), the center of the main shell (1) is provided with a microphone (8), the inner side of the main shell (1) is provided with an internal voiceprint PCB, the internal voiceprint PCB is provided with a built-in signal processing module, the microphone (8) is electrically connected with the internal voiceprint PCB, the internal voiceprint PCB is fixedly installed on the inner side of the main shell (1) through a screw hole, one side of the internal voiceprint PCB is welded with an aviation socket (6), one side surface of the top end of the main shell (1) is provided with an indicator light (7), the indicator light (7) is electrically connected with the internal voiceprint PCB, the other side of the internal voiceprint PCB is provided with an antenna (9), the antenna (9) is fixedly connected with the internal voiceprint PCB through a threaded column and a threaded sleeve, the mounting base (5) is provided with a clamping buckle (10) on one side of the top end, the clamping buckle (10) is fixedly arranged on one side surface of the top end of the mounting base (5) through a screw, and one end of the antenna (9) is located in the inner side of the clamping ring of the clamping buckle (10).
2. The voiceprint detection device for early fault warning of a fan blade according to claim 1, characterized in that: The outer surface of the top end of the bottom shell (4) is provided with three limiting blocks, one side of the limiting block is provided with a spring ejector pin (3), and the protective cover (2) is fixedly installed on the bottom shell (4) through the rotating spring ejector pin (3).
3. The soundprint detection device for early fault warning of a fan blade according to claim 1, characterized in that: The outer surface of the side, away from the antenna (9), of the protective cover (2) is provided with an aviation socket (6).
4. The soundprint detection device for early fault warning of a fan blade according to claim 1, characterized in that: The end of the antenna (9) close to the protective cover (2) is provided with a bent connecting rod.
5. The soundprint detection device for early fault warning of a fan blade according to claim 1, characterized in that: The number of the indicator lights (7) is two, one of which is a power light, and the other is an alarm light.
6. The soundprint detection device for early fault warning of a fan blade according to claim 1, characterized in that: The main shell (1), the protective cover (2), the bottom shell (4), and the mounting base (5) are all made of high-temperature corrosion-resistant materials.