Voiceprint, vibration and temperature integrated device for wind power blade

Abstract

A wind power blade voiceprint, vibration and temperature integrated device disclosed by the present invention comprises an integrated detection device main body, the upper surface of the integrated detection device main body is fixedly connected with a fixed shell, the fixed shell comprises a ventilation opening, a dust removal opening and a fan, and through the cooperation of the ventilation opening, heat dissipation fins and the fan, the dust removal opening is communicated with the dust removal opening. The integrated detection device body is cooled, the influence of high temperature caused by long-time work on the performance of the sensor is reduced, meanwhile, the ventilation opening can be covered with the first baffle in the non-cooling state, and external dust, water vapor, particles and the like can be effectively prevented from entering the fixed shell; the cleaning brush is driven by the electric telescopic rod to move, so that the cleaning brush can clean gaps of the heat dissipation fins, dust in the gaps of the fins is automatically cleaned, the manual cleaning frequency is reduced, meanwhile, most of the cleaned dust falls into the outside from the dust removal opening, and secondary accumulation of the dust in the fixed shell is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind power blades, and particularly relates to a wind power blade soundprint, vibration and temperature integrated device. BACKGROUND

[0002] In the operation state monitoring of wind power blades, real-time detection of soundprint, vibration, temperature and other parameters is crucial, which requires an integrated detection device to work stably for a long time to ensure the accuracy and continuity of data. However, the existing integrated detection device faces many problems in actual application, which seriously affects its detection performance and service life. First, during the long-time operation of the device, the internal electronic components and sensors will continuously generate heat. If heat dissipation is not timely, the internal temperature of the device will rise. High-temperature environment easily affects the sensitivity and stability of the sensor, causes the detection data to deviate, and even may cause the sensor to fail to normally collect the key parameters of the wind power blade, which brings hidden dangers to the safe operation of the wind power equipment. Secondly, in order to achieve heat dissipation, the existing device usually sets a ventilation structure, but these ventilation structures are difficult to effectively close in the non-heat dissipation state, and the dust, water vapor, particles and other impurities in the external environment are easy to enter the internal device through the ventilation opening. The accumulation of these impurities will further hinder heat dissipation. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the prior art, and provides a wind power blade soundprint, vibration and temperature integrated device, which solves the problem that the existing integrated detection device causes the internal temperature to rise due to untimely heat dissipation during long-time operation, and further affects the sensitivity and stability of the sensor, causes the detection data to deviate, and even causes the sensor to fail.

[0004] The application further provides the wind power blade sound print, vibration and temperature integrated device, which comprises an integrated detection device main body, a fixed shell is fixedly connected to the upper surface of the integrated detection device main body, the fixed shell comprises a ventilation opening, a dust removal opening and a fan, a fixed plate is fixedly connected to the upper surface of the fixed shell, a motor one is fixedly connected to the inner wall of the fixed plate, a bevel gear one is fixedly connected to the output end of the motor one, a bevel gear two is meshedly connected to the outer surface of the bevel gear one, a bevel gear three is meshedly connected to the outer surface of the bevel gear two, a lead screw one is fixedly connected to the inner wall of the bevel gear three, a moving frame one is threadedly connected to the outer surface of the lead screw one, a baffle one is fixedly connected to one end of the moving frame one, the inner side of the baffle one is matched with the outer surface of the fixed shell, and the position of the baffle one is located outside the ventilation opening; a motor two is fixedly connected to the inner wall of the fixed plate, a bevel gear four is fixedly connected to the output end of the motor two, a bevel gear five is meshedly connected to the outer surface of the bevel gear four, a bevel gear six is meshedly connected to the outer surface of the bevel gear five, a lead screw two is fixedly connected to the inner wall of the bevel gear six, a moving frame two is threadedly connected to the outer surface of the lead screw two, a baffle two is fixedly connected to one end of the moving frame two, the inner side of the baffle two is matched with the outer surface of the fixed shell, and the position of the baffle two is located outside the dust removal opening, a rotating rod is fixedly connected to the inner wall of the bevel gear five, a heat dissipation fin main body is fixedly connected to the lower end of the rotating rod, a heat dissipation fin base is rotatably connected to the lower surface of the heat dissipation fin main body, a heat conduction column is fixedly connected to the lower surface of the heat dissipation fin base, a heat conduction plate is fixedly connected to the lower end of the heat conduction column, and the heat conduction plate is inlaid in the heat source of the integrated detection device main body; a motor telescopic rod is fixedly connected to the inner wall of the fixed shell, a cleaning brush is fixedly connected to the output end of the motor telescopic rod, and the outer surface of the cleaning brush is movably connected with the heat dissipation fin main body.

[0005] Preferably, the position of the ventilation opening is located outside the fan, the ventilation opening and the fan are both provided with two, and are both located outside the fixed shell, the two fans are used for sucking the air outside into the shell and discharging the air in the shell outside, thereby forming the circulation of the air flow and realizing the more stable thermal state control.

[0006] Preferably, the upper surface of the fixed shell is fixedly connected with a protection shell, the positions of the lead screw one, the bevel gear one and other transmission structures are located inside the protection shell, the key transmission components are arranged inside the protection shell, and the invasion of external factors such as dust, water vapor and impact on the transmission components is significantly reduced.

[0007] Preferably, one end of the lead screw one away from the bevel gear three is rotatably connected with the fixed shell, one end of the lead screw two away from the bevel gear six is rotatably connected with the fixed shell, and the two ends of the lead screw one / two are rigidly rotatably connected with the fixed shell, so that the axial movement during high-speed movement is eliminated.

[0008] Preferably, the outer surface of the moving frame one and the moving frame two is in sliding connection with the fixed shell, the upper surface of the fixed shell is fixedly connected with a signboard through screws, and the screw-fixed signboard facilitates quick identification of equipment parameters.

[0009] Preferably, the outer surface of the rotating rod is in rotating connection with the bevel gear two, the position of the heat dissipation fin body is located between the two fans and the air vent, the fins are arranged between the fans and the air vent, a compact heat path is formed, the heat exchange efficiency is improved, and cooling is more rapid.

[0010] Preferably, the inner wall of the fixed shell is fixedly connected with a sealing plate through screws, and the position of the sealing plate is located below the cleaning brush and the electric telescopic rod, so that the sealing plate improves the internal sealing property, prevents dust from entering the key area, and protects the cleaning brush and the telescopic mechanism.

[0011] Preferably, the inner side of the baffle one and the baffle two is provided with a sealing ring, and the dust removal port is located on the outer side of the heat dissipation fin body, so that the dust removal port is on the outer side, facilitating external discharge of dust.

[0012] Beneficial effects:

[0013] The wind power blade soundprint, vibration and temperature integrated device has the beneficial effects that: the integrated device main body is cooled through cooperation of the air vent, the heat dissipation fin and the fan, the influence of high temperature caused by long-time work on the performance of the sensor is reduced, the baffle one can be used to cover the air vent in a non-cooling state, dust, water vapor and particles in the external environment can be effectively blocked from entering the fixed shell, the cleaning brush can be moved by the electric telescopic rod, the cleaning brush can clean the gap of the heat dissipation fin, dust in the gap of the fin can be automatically cleaned, the cleaning frequency is reduced, and most of the cleaned dust falls into the external environment through the dust removal port, so that the dust is prevented from being accumulated in the fixed shell again. BRIEF DESCRIPTION OF DRAWINGS

[0014] The application will be further described below in combination with the drawings and examples.

[0015] Figure 1 It is a whole structure diagram of the wind power blade soundprint, vibration and temperature integrated device.

[0016] Figure 2 It is a fixed shell connection schematic diagram of the wind power blade soundprint, vibration and temperature integrated device.

[0017] Figure 3 It is a fixed plate connection schematic diagram of the wind power blade soundprint, vibration and temperature integrated device.

[0018] Figure 4 It is a cleaning brush connection schematic diagram of the wind power blade soundprint, vibration and temperature integrated device.

[0019] Figure 5 Figure 1 is a schematic diagram of the heat dissipation fin body connection of the wind power blade sound print, vibration, temperature integrated device of the present application.

[0020] Legend:

[0021] 1, integrated detection device main body; 2, fixed shell; 3, fixed plate; 4, motor one; 5, bevel gear one; 6, bevel gear two; 7, bevel gear three; 8, screw one; 9, moving frame one; 10, baffle one; 11, motor two; 12, bevel gear four; 13, bevel gear five; 14, bevel gear six; 15, screw two; 16, moving frame two; 17, baffle two; 18, rotating rod; 19, heat dissipation fin body; 20, heat dissipation fin base; 21, heat conduction column; 22, heat conduction plate; 23, electric telescopic rod; 24, cleaning brush; 25, sealing plate; 26, protective shell; 27, signboard; 201, ventilation opening; 202, ash removal opening; 203, fan. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0023] Reference Figures 1-5The embodiment of the application is a wind power blade sound print, vibration and temperature integrated device, which comprises an integrated detection device main body 1, early discovery of blade surface cracks, matrix fatigue, bonding defects, delamination and other hidden damage through the comprehensive characteristics of sound print, vibration and temperature, and reduction of accident risk, which mainly consists of multi-modal sensors (acoustic sensors, vibration sensors and temperature sensors), a data acquisition and local processing subsystem, a power supply and mechanical interface subsystem, a data transmission and communication subsystem and a central control and analysis subsystem, sound print information: weak noise and vortex street sound caused by flow call under the action of wind load of the blade, feature extraction through high-frequency acoustic signal processing; vibration information: vibration response of the blade is highly sensitive to defects, extraction of time domain statistics (mean, variance, kurtosis), frequency domain features (main frequency, harmonic, power spectral density) and time-frequency features (wavelet, short-time Fourier transform); temperature information: local hot spots, thermal gradients and temperature anomalies can indicate thermal fatigue caused by bonding layer degradation and local temperature rise, sensors are arranged at the key areas of the blade root and middle part to ensure coverage of possible crack propagation path and heat source accumulation area;The acoustic sensor arrangement position should avoid strong interference source, the upper surface of integral detection device main part 1 is fixedly connected with fixed shell 2, the fixed shell 2 includes vent 201, ash removal port 202 and fan 203, the fan 203 provides forced air flow for the system, two fans 203 complete air intake and air exhaust respectively, maintain equipment thermal management and air flow direction, which is mainly composed of motor unit, impeller / turbine, air inlet / outlet, air duct, etc., the motor drives the impeller to rotate, forms negative pressure to suck external air and enters the key area through the system guidance, the upper surface of fixed shell 2 is fixedly connected with fixed plate 3, the inner wall of fixed plate 3 is fixedly connected with motor one 4, the output end of motor one 4 is fixedly connected with bevel gear one 5, the outer surface of bevel gear one 5 is meshedly connected with bevel gear two 6, the outer surface of bevel gear two 6 is meshedly connected with bevel gear three 7, the inner wall of bevel gear three 7 is fixedly connected with lead screw one 8, the rotary motion of the motor is converted into linear motion, which is mainly composed of screw body, nut, threaded connection, end support and sealing element, etc., the rotary torque is converted into linear displacement through the pitch of thread, the nut moves along the axial direction on the screw, at the same time, the structure of lead screw one 8 and lead screw two 15 is consistent, the outer surface of lead screw one 8 is screw connected with moving frame one 9, one end of moving frame one 9 is fixedly connected with baffle one 10, the sealing of flow channel, vent 201 and other areas is realized, the entry of dust and other impurities is prevented, the cover is formed through the cooperation and fastening with the shell, the structure of baffle one 10 and baffle two 17 is consistent, the inner side of baffle one 10 is fitted with the outer surface of fixed shell 2, and the position of baffle one 10 is located outside the vent 201, the position of vent 201 is located outside the fan 203, the vent 201 and the fan 203 are provided with two, and are located outside the fixed shell 2, the upper surface of fixed shell 2 is fixedly connected with protection shell 26, the position of lead screw one 8 and bevel gear one 5 transmission structure is located inside the protection shell 26, one end of lead screw one 8 away from bevel gear three 7 is rotatably connected with fixed shell 2, one end of lead screw two 15 away from bevel gear six 14 is rotatably connected with fixed shell 2, the outer surface of moving frame one 9 and moving frame two 16 is slidably connected with fixed shell 2, the upper surface of fixed shell 2 is fixedly connected with signboard 27 through screw;

[0024] The inner wall of the fixed plate 3 is fixedly connected with a motor two 11, the output end of the motor two 11 is fixedly connected with a bevel gear four 12, the outer surface of the bevel gear four 12 is meshingly connected with a bevel gear five 13, the outer surface of the bevel gear five 13 is meshingly connected with a bevel gear six 14, the inner wall of the bevel gear six 14 is fixedly connected with a lead screw two 15, the outer surface of the lead screw two 15 is threadedly connected with a moving frame two 16, one end of the moving frame two 16 is fixedly connected with a baffle two 17, the inner side of the baffle two 17 is fitted with the outer surface of the fixed shell 2, and the position of the baffle two 17 is located outside the ash hole 202, the inner wall of the bevel gear five 13 is fixedly connected with a rotating rod 18, the lower end of the rotating rod 18 is fixedly connected with a heat dissipation fin main body 19, as the main heat dissipation structure, the heat conduction area is improved, and the heat is promoted to spread outward, which is mainly composed of fin array, fin gap, back plate / heat dissipation base, heat conduction interface material, necessary ventilation channel and the like, a large number of thin fins are formed by high thermal conductivity material to increase the convective contact area with air, the lower surface of the heat dissipation fin main body 19 is rotatably connected with a heat dissipation fin base 20, which is the support of the fin body and the heat passage inlet, and can be rotated with the fin body through the heat conduction shaft to provide a stable mounting reference and ensure the heat path continuity, which is mainly composed of base plate, heat conduction pad or interface material and the like, and the heat is conducted from the heat source to the fin array through good thermal contact, the lower surface of the heat dissipation fin base 20 is fixedly connected with a heat conduction column 21, an efficient heat passage is established between different temperature zones to improve the conduction efficiency of heat from the heat source to the heat dissipation member, the heat conduction column 21 is a metal rod-shaped heat conductor, the longitudinal heat conduction is realized by using high thermal conductivity material to reduce thermal resistance, the lower end of the heat conduction column 21 is fixedly connected with a heat conduction plate 22, the heat conduction area is expanded, the heat is uniformly distributed, and the heat is promoted to transfer from the heat source area to the heat dissipation fin, the heat conduction plate 22 is a flat plate-shaped heat conduction element and directly contacts with the heat source, the heat conduction plate 22 is inlaid in the heat source of the integrated detection device main body 1, the inner wall of the fixed shell 2 is fixedly connected with an electric telescopic rod 23, which provides linear and controllable telescopic action, and is mainly composed of a driving motor, a screw rod, a telescopic cylinder, a guide piece and the like, the electric telescopic rod 23 generates axial displacement under the driving of the motor and realizes controllable linear motion limited by the guide piece, the output end of the electric telescopic rod 23 is fixedly connected with a cleaning brush 24 for removing the gap dust of the heat dissipation fin, which is mainly composed of a brush group (such as nylon or polyester fiber), a base plate or support frame and the like, the brush generates mechanical friction on the surface to eject and carry away dust, the outer surface of the cleaning brush 24 is movably connected with the heat dissipation fin main body 19, the outer surface of the rotating rod 18 is rotatably connected with the bevel gear two 6, the position of the heat dissipation fin main body 19 is located between the two fans 203 and the ventilation port 201, the inner wall of the fixed shell 2 is fixedly connected with a sealing plate 25 through screws, the position of the sealing plate 25 is located below the cleaning brush 24 and the electric telescopic rod 23, the inner sides of the baffle one 10 and the baffle two 17 are provided with sealing rings, and the position of the ash hole 202 is located outside the heat dissipation fin main body 19.

[0025] Embodiment one: when the heat needs to be dissipated, the motor one 4 drives the bevel gear one 5 to rotate the bevel gear two 6 engaged with the bevel gear one 5, the rotation of the bevel gear two 6 makes the two bevel gear threes 7 engaged with the two sides of the bevel gear two 6 rotate respectively with the lead screw one 8, and the two moving racks one 9 threaded with the lead screw one 8 move respectively with the baffle one 10, so as to expose the ventilation openings 201 on both sides of the fixed shell 2;

[0026] Embodiment two: after the ventilation openings 201 on both sides of the fixed shell 2 are exposed, the inside of the fixed shell 2 is respectively fixed with two fans 203, and the heat dissipation fin body 19 is between the two fans 203, one of the two fans 203 is used to suck the air outside into the shell, and the other is used to exhaust the air in the shell to the outside, forming a circulation of air flow, realizing more stable thermal control;

[0027] Embodiment three: when the dust on the gap of the heat dissipation fin body 19 needs to be cleaned, the motor two 11 drives the bevel gear four 12 to rotate the bevel gear five 13 engaged with the bevel gear four 12, the rotation of the bevel gear five 13 makes the bevel gear six 14 engaged with the bevel gear five 13 rotate with the lead screw two 15, and the moving rack two 16 threaded with the lead screw two 15 moves with the baffle two 17, so as to expose the dust removal opening 202 on the fixed shell 2, and at the same time, the rotation of the bevel gear five 13 makes the rotating rod 18 rotate with the heat dissipation fin body 19, so that the gap of the heat dissipation fin body 19 is aligned with the dust removal opening 202;

[0028] Embodiment four: when the gap of the heat dissipation fin body 19 is aligned with the dust removal opening 202, the cleaning brush 24 connected with the electric telescopic rod 23 in the inside of the fixed shell 2 is driven to move in and out of the gap of the heat dissipation fin body 19 repeatedly, so as to clean the dust in the gap of the heat dissipation fin body 19, and at the same time, the fixed shell 2 is in an inclined state, and the dust falls out of the fixed shell 2 directly from the dust removal opening 202, and the dust cleaning is carried out when the wind turbine blade stops rotating, and the dust removal opening 202 faces downward.

[0029] The above embodiments of the application are described in detail in combination with the drawings, but the application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application.

Claims

1. A wind turbine blade soundprint, vibration, temperature integrated device, characterized in that, Include: Integrated detection device body (1), the upper surface of the integrated detection device body (1) is fixedly connected with a fixed shell (2), the fixed shell (2) includes a ventilation opening (201), an ash removal opening (202) and a fan (203), the upper surface of the fixed shell (2) is fixedly connected with a fixed plate (3), the inner wall of the fixed plate (3) is fixedly connected with a motor one (4), the output end of the motor one (4) is fixedly connected with a bevel gear one (5), the outer surface of the bevel gear one (5) is engagedly connected with a bevel gear two (6), the outer surface of the bevel gear two (6) is engagedly connected with a bevel gear three (7), the inner wall of the bevel gear three (7) is fixedly connected with a lead screw one (8), the outer surface of the lead screw one (8) is threadedly connected with a moving frame one (9), one end of the moving frame one (9) is fixedly connected with a baffle one (10), the inner side of the baffle one (10) is fitted with the outer surface of the fixed shell (2), and the position of the baffle one (10) is located outside the ventilation opening (201); The inner wall of the fixed plate (3) is fixedly connected with a motor two (11), the output end of the motor two (11) is fixedly connected with a bevel gear four (12), the outer surface of the bevel gear four (12) is engagedly connected with a bevel gear five (13), the outer surface of the bevel gear five (13) is engagedly connected with a bevel gear six (14), the inner wall of the bevel gear six (14) is fixedly connected with a lead screw two (15), the outer surface of the lead screw two (15) is threadedly connected with a moving frame two (16), one end of the moving frame two (16) is fixedly connected with a baffle two (17), the inner side of the baffle two (17) is fitted with the outer surface of the fixed shell (2), and the position of the baffle two (17) is located outside the ash removal opening (202), the inner wall of the bevel gear five (13) is fixedly connected with a rotating rod (18), the lower end of the rotating rod (18) is fixedly connected with a heat dissipation fin body (19), the lower surface of the heat dissipation fin body (19) is rotatably connected with a heat dissipation fin base (20), the lower surface of the heat dissipation fin base (20) is fixedly connected with a heat conduction column (21), the lower end of the heat conduction column (21) is fixedly connected with a heat conduction plate (22), and the heat conduction plate (22) is inlaid in the heat source of the integrated detection device body (1); The inner wall of the fixed shell (2) is fixedly connected with an electric telescopic rod (23), the output end of the electric telescopic rod (23) is fixedly connected with a cleaning brush (24), and the outer surface of the cleaning brush (24) is movably connected with the heat dissipation fin body (19).

2. The wind turbine blade soundprint, vibration, temperature integrated device according to claim 1, characterized in that, The position of the ventilation opening (201) is located outside the fan (203), the ventilation opening (201) and the fan (203) are both provided with two, and are both located outside the fixed shell (2).

3. The wind turbine blade soundprint, vibration, temperature integrated device of claim 1, wherein, The upper surface of the fixed shell (2) is fixedly connected with a protection shell (26), and the transmission structure such as the lead screw one (8) and the bevel gear one (5) is located in the inside of the protection shell (26).

4. The wind turbine blade soundprint, vibration, temperature integrated device of claim 1, wherein, One end of the lead screw one (8) away from bevel gear three (7) is rotatably connected with the fixed shell (2), and one end of the lead screw two (15) away from bevel gear six (14) is rotatably connected with the fixed shell (2).

5. The wind turbine blade soundprint, vibration, temperature integrated device of claim 1, wherein, The outer surface of the moving frame one (9) and the moving frame two (16) is slidably connected with the fixed shell (2), and the upper surface of the fixed shell (2) is fixedly connected with a signboard (27) through screws.

6. The wind turbine blade soundprint, vibration, temperature integrated device of claim 1, wherein, The outer surface of the rotating rod (18) is rotatably connected with the bevel gear two (6), and the position of the heat dissipation fin body (19) is located between the two fans (203) and the air vent (201).

7. The wind turbine blade soundprint, vibration, temperature integrated device of claim 1, wherein, The inner wall of the fixed shell (2) is fixedly connected with a sealing plate (25) through screws, and the sealing plate (25) is located below the cleaning brush (24) and the electric telescopic rod (23).

8. The wind turbine blade soundprint, vibration, temperature integrated device of claim 1, wherein, The inner side of the baffle one (10) and the baffle two (17) is provided with a sealing ring, and the ash removal port (202) is located on the outer side of the heat dissipation fin body (19).

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