CN208887777U - A kind of noise testing microphone array support frame with shock-absorbing function - Google Patents
A kind of noise testing microphone array support frame with shock-absorbing function Download PDFInfo
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- CN208887777U CN208887777U CN201821423950.5U CN201821423950U CN208887777U CN 208887777 U CN208887777 U CN 208887777U CN 201821423950 U CN201821423950 U CN 201821423950U CN 208887777 U CN208887777 U CN 208887777U
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- microphone array
- microphone
- shock
- absorbing function
- support frame
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Abstract
The utility model discloses a kind of noise testing microphone array support frame with shock-absorbing function, is related to vibration noise fields of measurement, comprising: support rod；Microphone array supports panel, it is installed on the upper end of support rod, microphone array supports panel to be equipped with microphone mounting hole, multiple microphone mounting holes are arranged successively setting composition microphone branch, and multiple microphone branches mode that helically formula is distributed is installed on microphone array support panel to form microphone array；And pedestal, including base shell and the stabilizer blade that base shell bottom end is arranged in, the top of base shell and the lower end of support rod are connected, and spring are equipped in base shell, the axis direction of spring is parallel with the support rod.The utility model can offset the vibration that most of substation generates by installing spring in pedestal, guarantee Microphone array measurement noise because when do not influenced by converting station electric power vibration equipment, for accurate measurement noise exclusive PCR.
Description
Technical field
The utility model relates to vibration noise fields of measurement more particularly to a kind of noise testing with shock-absorbing function are transaudient
Device array support frame.
Background technique
It is growing to electricity needs with China's rapid economic development.Power equipment safety stable operation is to guarantee warp
The energy basis for helping stable.Currently, being diagnosing electric power health shape using Microphone array measurement power equipment noise testing
A kind of effective means of state.Many power equipments are because of the effect by electromagnetic force in electric system, and vibrate, such as transformation
Device, reactor.In addition breaker actuation process also returns generation larger vibration.It is vibrated that microphone array is listed in measurement power equipment
Influence can interfere noise measurement.A kind of noise testing microphone array support with shock-absorbing function of this offer
Frame, pedestal have damping spring, most of vibration can be offset, to guarantee the accuracy of noise testing.
Utility model content
The purpose of this utility model is to provide a kind of noise testing microphone array support frame with shock-absorbing function, from
And overcome the shortcomings that microphone array is shaken interference when in use.
To achieve the above object, the utility model provides a kind of noise testing microphone array with shock-absorbing function and is disbursed from the cost and expenses
Support, comprising:
Support rod；
Microphone array supports panel, is installed on the upper end of the support rod, sets on the microphone array support panel
There is microphone mounting hole, multiple microphone mounting holes are arranged successively setting composition microphone branch, a plurality of microphone
The branch mode that helically formula is distributed is installed on the microphone array support panel to form microphone array；And
Pedestal, including base shell and the stabilizer blade that the base shell bottom end is arranged in, the top of the base shell with
The lower end of the support rod connects, and spring is equipped in the base shell, and the axis direction of the spring and the support rod are flat
Row.
Further, the support rod includes: connecting rod, direction regulator and mounting bracket, and the mounting bracket passes through institute
The upper end that direction regulator is installed on the connecting rod is stated, the lower end of the connecting rod is connect with the pedestal.
Further, the connecting rod is telescopic rod.
Further, the spring includes two groups of springs, respectively first group of damping spring and second group of damping spring, institute
State first group of damping spring and second group of damping spring uniform crossover arrangement setting in the base shell.
Further, the lower half portion in the base shell is arranged in the spring.
Further, the stabilizer blade is two, is symmetrically arranged at the bottom both ends of the pedestal.
Further, the microphone branch is 4-6 item.
Further, every microphone branch has the 5-7 microphone mounting holes.
Further, connected in a manner of it can dismantle between the support rod, microphone array support panel and pedestal
It connects.
Compared with prior art, a kind of noise testing microphone array with shock-absorbing function that the utility model provides more
It is disbursed from the cost and expenses support, is supported by the way that microphone is mounted on microphone array when use and carry out Noise Acquisition or measurement on panel, passed through
Spring is installed in pedestal, the vibration that most of substation generates can be offset, guarantee Microphone array measurement noise because when not by
The influence of converting station electric power vibration equipment, for accurate measurement noise exclusive PCR.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the Facad structure signal for the noise testing microphone array support frame that the utility model has shock-absorbing function
Figure；
Fig. 2 is the side structure signal for the noise testing microphone array support frame that the utility model has shock-absorbing function
Figure；
Wherein: 1- pedestal, first group of damping spring of 11-, second group of damping spring of 12-, 13- stabilizer blade, 14- base shell,
2- support rod, 21- connecting rod, 22- direction regulator, 23- mounting bracket, 3- microphone array support panel, the installation of 4- microphone
Hole.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, to this implement the technical solution in novel carry out it is clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative labor
Every other embodiment, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, the noise testing microphone array support provided by the utility model with shock-absorbing function
Frame includes: support rod 2, microphone array support panel 3 and pedestal 1.Support rod 2, microphone array support panel 3 and pedestal 1
Between connected in a manner of it can dismantle.In the present embodiment, support rod 2 is to be threadedly coupled with the connection of pedestal 1, support rod 2
Connection with microphone array support panel 3 is grafting.
Continue to participate in Fig. 2, support rod 2 includes: connecting rod 21, direction regulator 22 and mounting bracket 23, mounting bracket 23 with
Microphone array supports panel 3 to connect, and mounting bracket 23 is installed on the upper end of connecting rod 21 by direction regulator 22, and direction is adjusted
Device 22 is angle demodulator, can adjust the direction that microphone array supports panel 3 by direction regulator 22, that is, adjust installation
The direction of microphone on microphone array support panel 3.The lower end of connecting rod 21 is connect with pedestal 1, and connecting rod 21 is telescopic rod,
The height of microphone array support panel 3 can be adjusted and convenient for storage.
It continues to refer to figure 1, microphone array support panel 3 is installed in mounting bracket 23, and microphone array supports panel 3
At round, microphone array supports panel 3 to be equipped with microphone mounting hole 4, and multiple microphone mounting holes 4 are arranged successively setting
Form microphone branch, a plurality of microphone branch helically formula distribution mode be installed on microphone array support panel 3 on
Microphone array is formed, microphone is mounted on microphone mounting hole 4.Microphone branch is preferably specially 4-6 item, and every transaudient
Device branch preferably has 5-7 microphone mounting hole 4.As described in Figure 1, there are 5 microphone branches in the present embodiment, every transaudient
Device branch has 6 microphone mounting holes 4, shares 30 microphone mounting holes 4.
With further reference to Fig. 1, pedestal 1 includes base shell 14 and the stabilizer blade 13 that 14 bottom end of base shell is arranged in, pedestal
The top of shell 14 is connect with the lower end of support rod 2, and spring, the axis direction and support rod 2 of spring are equipped in base shell 14
In parallel.Spring includes two groups of springs, respectively first group of damping spring 11 and second group of damping spring 12, first group of damping spring
11 and second group of 12 uniform crossover of damping spring arrangement the lower half portion being arranged in base shell 14, second group of damping spring
12 elastic force is greater than the elastic force of first group of damping spring 11.First group of damping spring 11 shares 24 springs, is divided into 4 column, each column
First group of damping spring 11 has 6 springs, and the spring diameter of first group of damping spring 11 is 4 centimetres, and length is 5 centimetres, spring
Enclosing number is 8 circles.Second group of damping spring 12 shares 12 springs, is divided into 2 column, and second group of damping spring 12 of each column has 6 springs,
The spring diameter of second group of damping spring 12 is 4 centimetres, and length is 5 centimetres, and the number of coils is 10 circles.6 first group of column damping bullets
The successively parallel discharge of spring 11,2 second group of column damping springs 12 are inserted into 6 column, first group of damping spring 11 spring for leaning on two sides respectively
Spring hole in, then make the evenly spaced lower half portion being arranged in base shell 14 of 8 column springs.Base shell 14
1 stabilizer blade 13 of the installation of bottom both ends respectively symmetrically.
Before use, can pass through direction regulator 22 by the height of the adjusting microphone of connecting rod 21 and adjust microphone
Direction.In use, microphone is mounted on 4 mounting hole of microphone mounting hole, subsequent microphone connects other devices, places
In substation's attachment to be detected, major part can be offset by microphone pick data, the spring installed by pedestal 1
Substation generate vibration, guarantee Microphone array measurement noise because when do not influenced by converting station electric power vibration equipment, subject to
Really measurement noise exclusive PCR.
Above disclosed is only specific embodiment of the present utility model, but the protection scope of the utility model not office
It is limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in change
Change or modification, should be covered within the scope of the utility model.
Claims (9)
1. a kind of noise testing microphone array support frame with shock-absorbing function, it is characterised in that: include:
Support rod；
Microphone array supports panel, is installed on the upper end of the support rod, and the microphone array support panel, which is equipped with, to be passed
Sound device mounting hole, multiple microphone mounting holes are arranged successively setting composition microphone branch, a plurality of microphone branch
Helically the mode of formula distribution is installed on the microphone array support panel to form microphone array；And
Pedestal, including base shell and the stabilizer blade that the base shell bottom end is arranged in, the top of the base shell with it is described
The lower end of support rod connects, and spring is equipped in the base shell, and the axis direction of the spring is parallel with the support rod.
2. the noise testing microphone array support frame according to claim 1 with shock-absorbing function, it is characterised in that: institute
Stating support rod includes: connecting rod, direction regulator and mounting bracket, and the mounting bracket is installed on institute by the direction regulator
The upper end of connecting rod is stated, the lower end of the connecting rod is connect with the pedestal.
3. the noise testing microphone array support frame according to claim 2 with shock-absorbing function, it is characterised in that: institute
Stating connecting rod is telescopic rod.
4. the noise testing microphone array support frame according to claim 1 with shock-absorbing function, it is characterised in that: institute
State spring include two groups of springs, respectively first group of damping spring and second group of damping spring, first group of damping spring and
The setting of second group of damping spring uniform crossover arrangement is in the base shell.
5. the noise testing microphone array support frame according to claim 1 or 4 with shock-absorbing function, feature exist
In: the lower half portion in the base shell is arranged in the spring.
6. the noise testing microphone array support frame according to claim 1 with shock-absorbing function, it is characterised in that: institute
Stating stabilizer blade is two, is symmetrically arranged at the bottom both ends of the pedestal.
7. the noise testing microphone array support frame according to claim 1 with shock-absorbing function, it is characterised in that: institute
Stating microphone branch is 4-6 item.
8. the noise testing microphone array support frame according to claim 1 or claim 7 with shock-absorbing function, feature exist
In: every microphone branch has the 5-7 microphone mounting holes.
9. the noise testing microphone array support frame according to claim 1 with shock-absorbing function, it is characterised in that: institute
It states and is connected in a manner of it can dismantle between support rod, microphone array support panel and pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423950.5U CN208887777U (en) | 2018-08-31 | 2018-08-31 | A kind of noise testing microphone array support frame with shock-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423950.5U CN208887777U (en) | 2018-08-31 | 2018-08-31 | A kind of noise testing microphone array support frame with shock-absorbing function |
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| Publication Number | Publication Date |
|---|---|
| CN208887777U true CN208887777U (en) | 2019-05-21 |
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ID=66510752
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|---|---|---|---|
| CN201821423950.5U Active CN208887777U (en) | 2018-08-31 | 2018-08-31 | A kind of noise testing microphone array support frame with shock-absorbing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220591A (en) * | 2019-06-27 | 2019-09-10 | 上海交通大学 | A kind of near field acoustic holography test macro and application under noise circumstance |
-
2018
- 2018-08-31 CN CN201821423950.5U patent/CN208887777U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220591A (en) * | 2019-06-27 | 2019-09-10 | 上海交通大学 | A kind of near field acoustic holography test macro and application under noise circumstance |
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