CN213600304U - Air leakage auscultation device of wind power blade vacuum system - Google Patents

Air leakage auscultation device of wind power blade vacuum system Download PDF

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Publication number
CN213600304U
CN213600304U CN202022781858.XU CN202022781858U CN213600304U CN 213600304 U CN213600304 U CN 213600304U CN 202022781858 U CN202022781858 U CN 202022781858U CN 213600304 U CN213600304 U CN 213600304U
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China
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audio
audio frequency
wind
electricity generation
powered electricity
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CN202022781858.XU
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Chinese (zh)
Inventor
刘强
文景波
孙志祥
李钰
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Sinoma Wind Power Blade Pingxiang Co ltd
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Sinoma Wind Power Blade Pingxiang Co ltd
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Abstract

The utility model discloses a wind-powered electricity generation blade vacuum system gas leakage auscultation device, it includes the audio frequency sound detector, audio frequency collector, audio amplifier and player, the audio frequency sound detector, audio frequency collector, audio amplifier and player connect gradually through the circuit, the wind-powered electricity generation blade is hugged closely to the audio frequency sound detector and is spread the layer top, be equipped with the treater in the audio frequency collector, vibrating diaphragm sensor and sheetmetal, the sheetmetal is located vibrating diaphragm sensor below and is connected with the vibrating diaphragm sensor, the treater is connected with the vibrating diaphragm sensor, the audio amplifier enlarges and passes to the player with audio signal, the player shows or plays the processing as the terminal to the audio frequency. The utility model discloses can accurately seek the gas leakage department on spreading the layer surface high-efficiently, the bad disability rate of at utmost reduction blade.

Description

Air leakage auscultation device of wind power blade vacuum system
Technical Field
The utility model relates to a wind-powered electricity generation blade makes the field, especially relates to a wind-powered electricity generation blade vacuum system gas leakage auscultation device.
Background
With the increasing approach of the exhaustion schedules of traditional fossil energy sources such as coal, oil, natural gas and the like, the development and utilization of wind energy are more and more emphasized by people, and the development and utilization of wind energy become one of the projects with the most commercial popularization prospects in the energy field, at present, the development is rapid at home and abroad, the development of wind power generation depends on the production and manufacture of a large number of wind power generators, the wind power generators can not leave blades, because the wind power blades are usually manufactured by vacuum infusion molding, the general flow is to prepare a mold in advance, the shape of the mold is consistent with that of required components, then a release agent is coated on the mold, reinforcing materials such as glass fiber cloth, carbon fiber cloth, core materials and the like are laid according to a certain sequence, after the laying is finished, materials such as a flow guide net, an injection pipe and the like are arranged on the laid materials, materials such as an, two layers of vacuum systems are commonly used for cooperative work, and a vacuum pump is utilized to enable the whole system to reach a vacuum state; generally, tools such as a vacuum pressure gauge are adopted to check the vacuum degree of a vacuum system, when the pressure reaches a requirement and the descending amplitude in a certain time is smaller than a required value, the filling condition is determined to be met, then the resin is filled, the curing molding is carried out, the curing time is long, the air leakage phenomenon is easily caused, the air leakage is searched for ears and naked eyes of people, the searching speed is slow, the time consumption is long, the difficulty is high, no corresponding and convenient air leakage searching tool is provided, and therefore the device capable of effectively checking the air leakage is urgently needed at present.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the utility model provides a wind-powered electricity generation blade vacuum system leaks gas auscultation device, its can accurately high-efficient the looking for spread layer surface leak gas department, and the at utmost reduces the bad disability rate of blade.
The utility model adopts the technical proposal that: the wind power blade layer-spreading type audio amplifier comprises an audio sound detector, an audio collector, an audio amplifier and a player, wherein the audio sound detector, the audio collector, the audio amplifier and the player are sequentially connected through a circuit, the audio sound detector is tightly attached to the top of a wind power blade layer, a processor, a vibrating diaphragm sensor and a metal sheet are arranged in the audio collector, the metal sheet is located below the vibrating diaphragm sensor and connected with the vibrating diaphragm sensor, the processor is connected with the vibrating diaphragm sensor, the audio amplifier is used for expanding audio signals and transmitting the audio signals to the player, and the player is used for displaying or playing the audio signals as a terminal.
Preferably, the audio sound detector is of a cylindrical structure, and the opening of the audio sound detector faces downwards.
Preferably, a filter is arranged between the audio collector and the audio amplifier for reducing noise of the collected audio signal.
Preferably, the processor of the audio collector is provided with a Bluetooth control module, and the Bluetooth control module is used for realizing wireless transmission after audio signals are collected.
Preferably, a filter screen is arranged between the vibrating diaphragm sensor and the metal sheet in the audio collector, and the filter screen is made of metal or sponge.
Preferably, the filter screen is detachably and fixedly arranged in the audio collector.
Preferably, it further comprises a power supply, wherein the power supply adopts a movable charging power supply.
Preferably, the power supply is mounted on the audio amplifier.
The utility model discloses a sound that gas leakage produced forms the vibration in the air, and the sound of vibration is collected, is transmitted and step such as enlargeing to the principle of accurate location gas leakage mouth, and then remedy the wind-powered electricity generation blade of gas leakage, the at utmost has reduced the disability rate of wind-powered electricity generation blade.
Drawings
Fig. 1 is a schematic connection diagram of the present invention.
Wherein, 1, an audio sound detector; 2. an audio collector; 3. an audio amplifier; 4. a player; 5. a line; 6. a processor; 7. a diaphragm sensor; 8. a metal sheet; 9. a filter screen; 10. a power source; 11. a filter.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The utility model provides a wind-powered electricity generation blade vacuum system gas leakage auscultation device, as shown in fig. 1, it includes that audio frequency sound monitor 1, audio collector 2, audio amplifier 3 and player 4, audio frequency sound monitor 1, audio collector 2, audio amplifier 3 and player 4 connect gradually through circuit 5, and circuit 5 indicates wired conducting wire usually, like electric wire and cable, electric wire and cable adopts like unbalanced formula, and single core outsourcing is shielded for signal transmission is stable, is difficult for receiving the interference.
The wind-powered electricity generation blade is hugged closely to audio frequency sound detector 1 and is spread the layer top, and in this embodiment, audio frequency sound detector 1 is cylindric structure, and the opening is down, directly pastes cylindric structure opening in the blade and spreads the layer surface, carries out the carpet formula along the blade surface and searches gas leakage department, and handheld or through supplementary automatic frock with audio frequency sound detector 1 along the blade surface removal. Of course, the audio sound detector 1 is used as a part for searching air vibration, and its shape and appearance are not only a conventional cylindrical or disc structure, but also can be adaptively designed according to actual working conditions, such as a ring shape, a net shape, etc., which is not to be construed as an exception here.
Be equipped with treater 6, vibrating diaphragm sensor 7 and sheetmetal 8 in the audio collector 2, sheetmetal 8 is located vibrating diaphragm sensor 7 below and is connected with vibrating diaphragm sensor 7, and sound makes sheetmetal 8 vibrations through the air for the distance between sheetmetal 8 and the vibrating diaphragm sensor 7 produces the change, thereby makes the electric capacity change, forms current impedance. The processor 6 is connected to the diaphragm sensor 7, i.e. the processor 6 records the audio signal and converts it into a current-resistive signal.
Be equipped with a filter screen 9 between vibrating diaphragm sensor 7 in audio collector 2 and the sheetmetal 8, filter screen 9 is metal material or sponge material, can effectively promote audio collector 2 and gather bass signal, can prevent dust again.
The mounting means of filter screen 9 is detachable, if the vibrating diaphragm sensor 7 below is located to the cover, or through the buckle joint on 2 inner walls of audio collector, conveniently load and unload the clearance.
In addition, still be equipped with bluetooth control module on audio acquisition ware 2's the treater 6, realize the wireless transmission after audio signal collects through bluetooth control module, conveniently remove the data reception of end, make things convenient for operating personnel to collect and look over relevant data.
The audio amplifier 3 amplifies the audio signal and transmits the amplified signal to the player 4, and IN the present embodiment, the impedance signal is amplified by the MIC IN of the sound card.
A filter 11 is arranged between the audio collector 2 and the audio amplifier for reducing noise of the collected audio signal, and under general conditions, the air leakage opening is slight, that is to say, the air vibration is very small, so that noise waves and the like need to be filtered and eliminated to obtain clear and effective signals.
The player 4 performs display or play processing on audio as a terminal.
The utility model discloses still include a power 10, power 10 adopts portable charging source 10, and convenient operation carries.
In addition, the power supply 10 is installed on the audio amplifier 3, the audio amplifier 3 is used as an intermediate component, the audio amplifier 3 is not required to be attached to the surface of a blade all the time like the audio sound detector 1, and is not required to be moved close to the skin at any time like the audio player 4, therefore, the audio amplifier 3 is used as the most flexible component, can be fixedly used and can be held by a hand to be in a free state, and the power supply 10 is installed on the audio amplifier 3 to be the most suitable, so that the weight of the audio sound detector 1 or the audio collector 2 is reduced, the operation is convenient, and the device is.
It should be noted that the models of the components of the present invention are common or general models, and the specific model is not redundant here.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (8)

1. The utility model provides a wind-powered electricity generation blade vacuum system gas leakage auscultation device, its characterized in that, it includes audio frequency sound detector, audio frequency collector, audio frequency amplifier and player, audio frequency sound detector, audio frequency collector, audio frequency amplifier and player connect gradually through the circuit, the audio frequency sound detector hugs closely wind-powered electricity generation blade and spreads the layer top, be equipped with treater, vibrating diaphragm sensor and sheetmetal in the audio frequency collector, the sheetmetal is located vibrating diaphragm sensor below and is connected with the vibrating diaphragm sensor, the treater is connected with the vibrating diaphragm sensor, the audio frequency amplifier enlarges audio signal and passes to the player, the player shows or plays the processing as the terminal to the audio frequency.
2. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 1, characterized by: the audio sound detector is of a cylindrical structure, and the opening of the audio sound detector faces downwards.
3. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 1, characterized by: and a filter is arranged between the audio collector and the audio amplifier and used for reducing noise of the collected audio signal.
4. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 1, characterized by: the Bluetooth control module is arranged on the processor of the audio collector, and wireless transmission after audio signals are collected is achieved through the Bluetooth control module.
5. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 1, characterized by: a filter screen is arranged between the vibrating diaphragm sensor and the metal sheet in the audio collector and is made of metal or sponge.
6. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 5, characterized by: the filter screen is detachably and fixedly arranged in the audio collector.
7. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 1, characterized by: the portable charging device further comprises a power supply, wherein the power supply adopts a movable charging power supply.
8. The wind-powered electricity generation blade vacuum system gas leakage auscultation device of claim 7, characterized by: the power supply is arranged on the audio amplifier.
CN202022781858.XU 2020-11-26 2020-11-26 Air leakage auscultation device of wind power blade vacuum system Active CN213600304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022781858.XU CN213600304U (en) 2020-11-26 2020-11-26 Air leakage auscultation device of wind power blade vacuum system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022781858.XU CN213600304U (en) 2020-11-26 2020-11-26 Air leakage auscultation device of wind power blade vacuum system

Publications (1)

Publication Number Publication Date
CN213600304U true CN213600304U (en) 2021-07-02

Family

ID=76597218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022781858.XU Active CN213600304U (en) 2020-11-26 2020-11-26 Air leakage auscultation device of wind power blade vacuum system

Country Status (1)

Country Link
CN (1) CN213600304U (en)

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