CN207585760U - Noise detection apparatus - Google Patents
Noise detection apparatus Download PDFInfo
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- CN207585760U CN207585760U CN201721854476.7U CN201721854476U CN207585760U CN 207585760 U CN207585760 U CN 207585760U CN 201721854476 U CN201721854476 U CN 201721854476U CN 207585760 U CN207585760 U CN 207585760U
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- stent
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- detection apparatus
- noise detection
- noise
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Abstract
The utility model embodiment provides a kind of noise detection apparatus, including:Stent is annularly distributed in generator peripheral side, and is arranged at intervals with generator outer surface;Multiple sound level meters are fixed on stent, and the spaced noise information for being distributed in generator peripheral side, detecting generator;Collector is connected to multiple sound level meters, receives the noise information that sound level meter obtains.In the noise detection apparatus of the utility model embodiment, stent annular in shape is distributed in generator peripheral side, and it is arranged at intervals with generator outer surface, the normal operation of generator is not interfered with, multiple sound level meters are arranged at intervals on stent, the noise of different direction in generator normal operation can be detected, collector can receive the noise information of sound level meter acquisition.The noise detection apparatus of the utility model embodiment can not only detect the noise that generator is sent out in normal operation, and can detect the noise of generator simultaneously from different directions, enable testing result more accurate and effective.
Description
Technical field
The utility model is related to the technical field of auxiliary equipment of wind power generating set more particularly to a kind of noise measuring to fill
It puts.
Background technology
It is higher and higher to the stability requirement of wind power generating set with the continuous development of wind power generating set technology, hair
Important spare part of the motor as wind power generating set, the stability run is to the normal operation ten of wind power generating set complete machine
Divide important.Generator can generate noise in the process of running, and hair can be predicted by being detected to the noise that generator generates
The operating status of motor, noise detection apparatus test point of the prior art is single, and when being measured using noise transducer
There can be the problems such as installation is inconvenient, and installation site is not fixed easily, it is impossible to accurately comprehensively reflect the operating status of generator.
Therefore, there is an urgent need for a kind of new noise detection apparatus.
Utility model content
The utility model embodiment provides a kind of noise detection apparatus, it is intended to enable the noise measuring result of wind power generating set
It is more accurate so that the arrangement of noise testing equipment and easy to operate, test point is evenly distributed, and test result is stable, reliable.
On the one hand the utility model embodiment provides a kind of noise detection apparatus, for detecting the hair of wind power generating set
The noise of motor, noise detection apparatus include:Stent is annularly distributed in generator peripheral side, and between generator outer surface
Every setting;Multiple sound level meters are fixed on stent, and the spaced noise letter for being distributed in generator peripheral side, detecting generator
Breath;Collector is connected to multiple sound level meters, receives the noise information that sound level meter obtains.
One side according to the present utility model, further includes:Support component is connected to stent, so that stent is fixed on hair
Motor peripheral side;Support component includes at least two supporting rods, and the first end of at least two supporting rods is connected to stent.
One side according to the present utility model, each supporting rod include at least the first support bar being connected and second
Strut;First support bar has the pilot hole being extended along first support bar length direction, and second support bar is movably passed through
It is through at pilot hole;The outer surface of second support bar is provided with protrusion, by outwardly extending to form for second support bar, first
The outer surface of supporting rod is provided with two or more through-holes for connecting with pilot hole and being adapted with protrusion.
One side according to the present utility model, support component further include at least two fixed plates, and fixed plate is fixed on branch
The second end of strut is provided with mounting hole in fixed plate, and supporting rod is fixed on predeterminated position by mounting hole.
One side according to the present utility model, further includes fixed pedestal, with supporting support, sound level meter and support component,
Supporting rod is fixed on fixed pedestal by mounting hole.
One side according to the present utility model, further includes transmission antenna, is connected to collector, makes an uproar to destination apparatus transmission
Acoustic intelligence.
One side according to the present utility model, stent are integral type ring support;Alternatively, stent includes two or two
More than split, two or more splits are spaced or are spliced to form stent.
One side according to the present utility model, stent are integral type ring support, and stent is along transversal in itself axial direction
Face is rounded or polygon.
One side according to the present utility model, stent include accommodation space and the side wall around accommodation space, generator
Accommodation space can be located at, side wall offers multiple mounting holes, and multiple sound level meters are located at mounting hole.
One side according to the present utility model, sound level meter are uniformly distributed around the circumferential direction of generator.
In the noise detection apparatus of the utility model embodiment, stent annular in shape is distributed in generator peripheral side, and
It is arranged at intervals with generator outer surface, does not interfere with the normal operation of generator, multiple sound level meters, energy are arranged at intervals on stent
The noise of different direction in generator normal operation is enough detected, collector can receive the noise information of sound level meter acquisition.
The noise detection apparatus of the utility model embodiment, it is simple in structure, it is easy to operate, it can reduce what high-altitude arrangement sound level meter generated
Security risk.Meanwhile can realize being uniformly distributed in generator side test point, it can not only detect in normal operation
The noise that generator is sent out, and the noise of generator can be detected simultaneously from different directions, and can according to actual conditions with
When adjust the distance between sound level meter and tested generator, enable testing result more accurate and effective, it is reliable and stable.
Description of the drawings
By reading the detailed description made referring to the drawings to non-limiting example, other spies of the utility model
Sign, objects and advantages will become more apparent upon, wherein, the same or similar reference numeral represents the same or similar feature.
Fig. 1 is a kind of structure diagram of noise detection apparatus of the utility model embodiment;
Fig. 2 is a kind of structure diagram of the supporting rod of noise detection apparatus of the utility model embodiment;
Fig. 3 is a kind of structure diagram of the fixed plate of noise detection apparatus of the utility model embodiment.
Reference sign:
10th, generator;
20th, stent;
21st, side wall;
30th, sound level meter;
40th, collector;
50th, support component;
51st, supporting rod;511st, first support bar;511a, pilot hole;511b, through-hole;512nd, second support bar;It is 512a, convex
It rises;
52nd, fixed plate;521st, mounting hole;
60th, fixed pedestal;
70th, transmission antenna.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, it is proposed that many details, in order to provide the comprehensive understanding to the utility model.But for people in the art
It will be apparent that the utility model can be implemented in the case of some details in not needing to these details for member.
Below the description of embodiment is used for the purpose of providing to the more preferable of the utility model by showing the example of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel;Also, for clarity, it may be exaggerated the size of part-structure.In addition, it is hereinafter retouched
Feature, the structure or characteristic stated can be in any suitable manner incorporated in one or more embodiments.
The noun of locality of middle appearance described below is the direction shown in figure, is not the embodiment to the utility model
Concrete structure is defined.In the description of the present invention, it should also be noted that, unless otherwise specific regulation and limit
Fixed, term " installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
Connect to body;It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, it is visual specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
The utility model in order to better understand is examined with reference to Fig. 1 to Fig. 3 according to the noise of the utility model embodiment
Device is surveyed to be described in detail.
Fig. 1 is the structure diagram of a kind of noise detection apparatus that the utility model embodiment provides, and the utility model is real
The noise detection apparatus for applying example is used to detect the noise of the generator 10 of wind power generating set, and noise detection apparatus includes:Stent
20,10 peripheral side of generator is annularly distributed in, and be arranged at intervals with 10 outer surface of generator;Multiple sound level meters 30, are fixed on
Stent 20, and the spaced noise information for being distributed in 10 peripheral side of generator, detecting generator 10;Collector 40, is connected to
Multiple sound level meters 30 receive the noise information that sound level meter 30 obtains.
Wherein, stent 20 and the spacing distance of 10 outer surface of generator do not limit herein, as long as sound level meter 30 can be enabled
Stent 20 is fixed on, does not influence the normal operation of sound level meter 30 and the normal operation of generator 10.
In the noise detection apparatus of the utility model embodiment, stent 20 annular in shape is distributed in 10 periphery of generator
Side, and be arranged at intervals with 10 outer surface of generator, the normal operation of generator 10 is not interfered with, is arranged at intervals on stent 20 more
A sound level meter 30, can detect the noise of different direction in 10 normal operation of generator, and collector 40 can receive sound level
The noise information that meter 30 obtains.The noise detection apparatus of the utility model embodiment can not only be detected in normal operation
The noise that generator 10 is sent out, and the noise of generator 10 can be detected simultaneously from different directions, test point is evenly distributed, enables
Testing result more accurate and effective.
It is understood that there are many set-up modes of multiple sound level meters 30, as an alternative embodiment, multiple
Sound level meter 30 is uniformly distributed around the circumferential direction of generator 10 and is fixed on stent 20.In these optional embodiments, multiple sound levels
Meter 30 is uniformly distributed in stent 20, and the noise information that multiple sound level meters 30 obtain comes from the different location of 10 side of generator,
And be comparable between the noise signal of multiple acquisitions of sound level meters 30, further improve the generator that multiple sound level meters 30 obtain
10 noise information accuracy and validity.The number of sound level meter 30 does not limit herein, such as 30 numbers of sound level meter are 4,
30 numbers in side or sound level meter for being respectively arranged at generator 10 with vertical direction in the horizontal direction are 8, are uniformly distributed in
Stent 20, as long as multiple sound level meters 30 are circumferentially uniformly distributed in stent 20 around generator 10.
In some optional embodiments, noise detection apparatus further includes support component 50, is connected to stent 20, so that branch
Frame 20 is fixed on 10 peripheral side of generator;Support component 50 includes at least two supporting rods 51, and the of at least two supporting rods 51
One end is connected to stent 20.In these optional embodiments, by support component 50, stent 20 can be fixed on hair
10 peripheral side of motor, facilitates noise detection apparatus to run steadily in the long term, and at least two supporting rods 51 of support component 50 are set respectively
10 both sides of generator are placed in, supporting support 20 can be stablized.
Also referring to Fig. 2, it is to be understood that there are many set-up modes of supporting rod 51, as a kind of optional reality
Mode is applied, each supporting rod 51 includes at least the first support bar 511 being connected and second support bar 512;First support bar 511
With the pilot hole 511b being extended along 511 length direction of first support bar, second support bar 512 is movably through leading
To hole 511b;The outer surface of second support bar 512 is provided with raised 512a, by the outwardly extension of second support bar 512
Formed, the outer surface of first support bar 511 be provided with two or more connected with pilot hole 511b and with raised 512a phases
The through-hole 511a of adaptation.In these optional embodiments, second support bar 512 is movably arranged at pilot hole 511b, the
Two supporting rods 512 along pilot hole 511b move when, can be by the raised 512a and first support bar of 512 outer surface of second support bar
Different through-hole 511a is adapted on 511, so as to change the relative position of second support bar 512 and first support bar 511, is adjusted
The height of entire supporting rod 51, the height for enabling first support bar 511 is adjustable, so as to enable distance of the stent 20 apart from ground adjustable,
During the use of noise detection apparatus, first sound level meter 30 can be installed to stent 20, is then mounted on stent 20
On generator 10, then generator 10 installed aloft, and pass through the height for adjusting supporting rod 51, stent 20 is enabled to follow generator
10 install aloft, so as to reduce the high-altitude installation exercise of noise detection apparatus, during reduction noise detection apparatus use
Security risk, while noise measuring is carried out rather than to experiment to the generator 10 in normal operation convenient for noise detection apparatus
Generator 10 in the process is detected, and avoids in experimental situation and actual working environment that 10 operating status of generator is inconsistent to be led
The detection error of cause.Wherein, the set-up mode of supporting rod 51 is not limited only to this, if supporting rod 51 can supporting support 20, and
It is highly adjustable.
It is understood that the quantity of first support bar 511 and the quantity of second support bar 512 do not limit herein, example
Both ends such as second support bar 512 are respectively arranged with raised 512a, and first support bar 511 is two, is respectively arranged at second
The both ends of strut 512 or second support bar 512 are two, are set to both ends or the second support of first support bar 511
Bar 512 is provided at both ends with two protrusion 512a, and first support bar 511 and second support bar 512 are multiple, are sequentially arranged,
And one is first support bar 511 in adjacent the two, another one is second support bar 512.
Also referring to Fig. 3, in some optional embodiments, support component 50 further includes at least two fixed plates 52,
Fixed plate 52 is fixed on the second end of supporting rod 51, and mounting hole 521 is provided in fixed plate 52, and supporting rod 51 passes through mounting hole
521 are fixed on predeterminated position.In these optional embodiments, support component 50 further includes at least two fixed plates 52, and solid
Fixed board 52 is fixed on the second end of supporting rod 51, and supporting rod 51 is fixed on predeterminated position by fixed plate 52, can increase support
Contact area between 51 end of bar and predeterminated position improves the stability of noise detection apparatus.It is understood that fixed plate
There are many 52 set-up modes, such as fixed plate 52 is plate-like, and the area of fixed plate 52 is more than the transversal of 51 end of supporting rod
Face.The end of supporting rod 51 is fixed on there are many modes of fixed plate 52, such as the end of supporting rod 51 is welded or is adhered to
Fixed plate 52.
In some optional embodiments, noise detection apparatus further includes fixed pedestal 60, with supporting support 20, sound level meter
30 and support component 50, supporting rod 51 fixed pedestal 60 is fixed on by mounting hole 521.In these optional embodiments, make an uproar
Sound detection device further includes fixed pedestal 60, and supporting rod 51 is fixed on fixed pedestal 60 by mounting hole 521, so as to enable fixed base
Seat 60 can be with supporting support 20, sound level meter 30 and support component 50.It is understood that supporting rod 51 is solid by mounting hole 521
Due to fixed pedestal 60 set-up mode there are many, such as correspond to mounting hole 521 on fixed pedestal 60 and be provided with threaded hole, utilize
Bolt passes through mounting hole 521 and threaded hole, so as to which supporting rod 51 is fixed on fixed pedestal 60.
In some optional embodiments, noise detection apparatus further includes transmission antenna 70, is connected to collector 40, to mesh
Device for mark transmitted noise information.In these optional embodiments, by transmission antenna 70, noise information can be wirelessly transferred
To destination apparatus, noise information is known from destination apparatus convenient for user, without arriving detection scene inquiry noise information, with season
The structure of noise detection apparatus is simpler, and operation is more convenient.
It is understood that there are many set-up modes of stent 20, as a kind of optional embodiment of stent 20, branch
Frame 20 is integral type ring support 20.In these optional embodiments, stent 20 is integral type ring support 20, convenient for will be more
A sound level meter 30 is fixed on any position of stent 20, more stablizes with season noise detection apparatus.Wherein, integral type annular branch
The shape setting of frame 20 does not limit herein, such as stent 20 is along the circular in cross-section or polygon in itself axial direction, only
Want stent 20 that can be distributed in 10 peripheral side of generator.Here for enabling the external surface shape of stent 20 and generator 10 more
Add adaptation, stent 20 is along the circular in cross-section in itself axial direction.
As the optional embodiment of another kind of stent 20, stent 20 includes two or more splits, two or
More than two splits are spaced or are spliced to form stent 20.In these optional embodiments, stent 20 is by between multiple splits
Every or be spliced to form, specifically, can be by sound convenient for the installation of stent 20, while convenient for the quick positioning and installation of sound level meter
Grade meter is mounted on the node location of each split connection.Simultaneously in noise detection apparatus transportational process, stent 20 can be torn open
It is divided into multiple splits, reduces the volume of stent 20, consequently facilitating the transport of noise detection apparatus.
In some optional embodiments, stent 20 includes accommodation space and the side wall 21 around accommodation space, generator
10 can be located at accommodation space, and side wall 21 offers multiple mounting holes, and multiple sound level meters 30 are located at mounting hole.It is optional at these
In embodiment, multiple sound level meters 30 are installed on stent 20 by mounting hole.Wherein it is possible to understand, sound level meter 30 passes through peace
Dress hole is installed on there are many modes of stent 20, such as sound level meter 30 is directly arranged in mounting hole, Huo Zhesheng by interference fit
Grade meter 30 is adhered in mounting hole.Here for the installation and removal convenient for sound level meter 30, while in order not to destroy sound level meter 30,
Sound level meter 30 is arranged in using interference fit in mounting hole.
Wherein, in the utility model embodiment, each sound level meter 30 draws a bars cable, multiple sound level meters 30
A plurality of signal cable be connected to collector 40, in order to which cable is enabled orderly to be arranged on stent 20, fixed dress can be utilized
It puts and a plurality of cable is fixed on the side wall 21 of stent 20, wherein there are many set-up modes of fixing device, such as fixing device
For adhesive tape, directly cable is adhered on the side wall 21 of stent 20 using adhesive tape or fixing device is cable strap, utilizes bunch
Cable is fixed on the side wall 21 of stent 20 by band.Simultaneously for the ease of the arrangement of cable, by multiple lines of multiple sound level meters 30
Cable comes together in the same position of stent 20, and here pricks multiple cables for a cable bundle, the cable bundle from stent 20 to
Collector 40 is laid with, avoid single cable be laid with respectively from stent 20 to collector 40 caused by cable clutter.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.It is for example, specific
Algorithm described in embodiment can be changed, and system architecture is without departing from the essence spirit of the utility model.Cause
This, current embodiment is all counted as being exemplary rather than in all respects limited, and the scope of the utility model is by institute
Attached claim rather than foregoing description definition, also, fall into claim meaning and equivalent in the range of whole change
So as to all be included among the scope of the utility model.
Claims (10)
- A kind of 1. noise detection apparatus, for detecting the noise of the generator of wind power generating set (10), which is characterized in that packet It includes:Stent (20) is annularly distributed in the generator (10) peripheral side, and is set with the generator (10) appearance face interval It puts;Multiple sound level meters (30), are fixed on the stent (20), and it is spaced be distributed in the generator (10) peripheral side, inspection Survey the noise information of the generator (10);Collector (40) is connected to the multiple sound level meter (30), receives the noise information of the sound level meter (30) acquisition.
- 2. noise detection apparatus according to claim 1, which is characterized in that the noise detection apparatus further includes:Support component (50) is connected to the stent (20), so that the stent (20) is fixed on the generator (10) periphery Side;The support component (50) includes at least two supporting rods (51), the first end difference of at least two supporting rod (51) It is connected to the stent (20).
- 3. noise detection apparatus according to claim 2, which is characterized in thatEach supporting rod (51) is including at least the first support bar (511) and second support bar (512) being connected;Described One supporting rod (511) has the pilot hole (511b) that is extended along the first support bar (511) length direction, and described second Supporting rod (512) is movably through the pilot hole (511b);The outer surface of the second support bar (512) is provided with raised (512a), by the outer surface of the second support bar (512) It extends outward to form, the outer surface of the first support bar (511) is provided with two or more and the pilot hole The through-hole (511a) that (511b) is connected and be adapted with raised (512a).
- 4. noise detection apparatus according to claim 2, which is characterized in that the support component (50) further includes at least two A fixed plate (52), the fixed plate (52) are fixed on the second end of the supporting rod (51), are set on the fixed plate (52) There is mounting hole (521), the supporting rod (51) is fixed on predeterminated position by the mounting hole (521).
- 5. noise detection apparatus according to claim 4, which is characterized in that the noise detection apparatus further includes fixed base Seat (60), to support the stent (20), the sound level meter (30) and the support component (50), the supporting rod (51) passes through The mounting hole (521) is fixed on the fixed pedestal (60).
- 6. noise detection apparatus according to claim 1, which is characterized in that the noise detection apparatus further includes transmission day Line (70) is connected to the collector (40), and the noise information is sent to destination apparatus.
- 7. noise detection apparatus according to claim 1, which is characterized in that the stent (20) is integral type ring support (20);Alternatively,The stent (20) includes two or more splits, and described two or more than two splits are spaced or splice shape Into the stent (20).
- 8. noise detection apparatus according to claim 7, which is characterized in that the stent (20) is integral type ring support (20), the stent (20) is along the circular in cross-section or polygon in itself axial direction.
- 9. noise detection apparatus according to claim 1, which is characterized in that the stent (20) is including accommodation space and ring Around the side wall (21) of the accommodation space, the generator (10) can be located at the accommodation space, and the side wall (21) opens up There are multiple mounting holes, multiple sound level meters (30) are positioned at the mounting hole.
- 10. noise detection apparatus according to claim 1, which is characterized in that the sound level meter (30) is around the generator (10) circumferential direction is uniformly distributed.
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CN201721854476.7U CN207585760U (en) | 2017-12-26 | 2017-12-26 | Noise detection apparatus |
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CN201721854476.7U CN207585760U (en) | 2017-12-26 | 2017-12-26 | Noise detection apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114000962A (en) * | 2021-09-23 | 2022-02-01 | 重庆鼎工机电有限公司 | Air inlet pipe device of diesel generating set and working method thereof |
-
2017
- 2017-12-26 CN CN201721854476.7U patent/CN207585760U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114000962A (en) * | 2021-09-23 | 2022-02-01 | 重庆鼎工机电有限公司 | Air inlet pipe device of diesel generating set and working method thereof |
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