CN209055605U - It is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point - Google Patents
It is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point Download PDFInfo
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- CN209055605U CN209055605U CN201821675393.6U CN201821675393U CN209055605U CN 209055605 U CN209055605 U CN 209055605U CN 201821675393 U CN201821675393 U CN 201821675393U CN 209055605 U CN209055605 U CN 209055605U
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Abstract
The utility model discloses a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point, belong to sound source locating device field, it is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point, including pedestal, the upper end of pedestal is fixedly connected with the first telescopic rod and signal transmitting apparatus, the top of first telescopic rod is connected with third microphone ball, there are two adjustable microphone brackets for socket on first telescopic rod, adjustable microphone bracket includes axle sleeve, the second lock-screw is respectively connected on two axle sleeves, axle sleeve is fixedly connected with the second telescopic rod far from one end of the second lock-screw, third lock-screw is connected on second telescopic rod, the first microphone ball and second microphone ball are connected separately on the telescopic end of two the second telescopic rods, it may be implemented to can easily be accommodated the position of microphone, multiple microphones are facilitated to exist Different location carries out noise signal collection, is easy to keep noise source positioning more acurrate.
Description
Technical field
The utility model relates to sound source locating device fields, set more specifically to one kind for searching high-voltage electrical apparatus
The sound source locating device of standby abnormal sound point.
Background technique
Abnormal sound phenomenon may occur at work because of failure for high voltage electric equipment at present, and existing high-voltage electrical apparatus is set
Standby detection method carries out in the state that high voltage electric equipment is stopped transport, such as the methods of alternating current-direct current pressure resistance and partial discharge, and can not
The truth of real simulation high voltage electric equipment under operation, and in high voltage electric equipment operation, because there are high pressures
The unfavorable factors such as electric shock and mechanical wounding, are not easy to carry out proximity detection.
TDOA near-field sound source positioning system is a kind of fixed using the location technology progress noise point of sodar time difference (TDOA)
The system of position, this kind of sound localization method are generally divided into two steps and carry out, and first carry out the estimation of sodar time difference, and therefrom obtain
Sound lag (TDOA) in microphone array between array element, recycles the sodar time difference of acquisition, in conjunction with known microphone array
Spatial position further make the position of sound source.
So can use TDOA near-field sound source positioning system carries out the lookup of high voltage electric equipment abnormal sound point, and show
Microphone array used in some TDOA near-field sound source positioning systems is fixed mostly, since noise point location needs repeatedly measurement
Make to position more acurrate, so needing microphone array carrying out carrying movement, is inconvenient, and constant measure in position can
Anchor point inaccuracy can be will lead to, and the maintenance of device is inconvenient.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide one kind for searching high-voltage electrical apparatus
The sound source locating device of unit exception noise point, it may be implemented to can easily be accommodated the position of microphone, and multiple microphones is facilitated to exist
Different location carries out noise signal collection, is easy to keep noise source positioning more acurrate.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
It is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point, including pedestal, the pedestal
Upper end is fixedly connected with the first telescopic rod and signal transmitting apparatus, and the first lock-screw, institute are connected on first telescopic rod
The top for stating the first telescopic rod is connected with third microphone ball, and there are two adjustable microphone branch for socket on first telescopic rod
Frame, the adjustable microphone bracket include axle sleeve, the second lock-screw are respectively connected on two axle sleeves, the axle sleeve is separate
One end of second lock-screw is fixedly connected with the second telescopic rod, is connected with third lock-screw on second telescopic rod, and two
The first microphone ball and second microphone ball, first microphone are connected separately on the telescopic end of a second telescopic rod
Ball, second microphone ball and third microphone ball are connect with signal transmitting apparatus signal, can easily be accommodated the position of microphone, side
Just multiple microphones carry out noise signal collection in different location, are easy to keep noise source positioning more acurrate.
Further, the bottom end of the pedestal is fixedly connected with a pair of of sucker, is easy to that the present apparatus is fixed in the plane, makes
Device is not easy to topple over.
Further, it is connected with Noise Identification device in the signal transmitting apparatus, is easy to precisely select the frequency of noise
Section, is easy to increase the reliability of positioning.
Further, it is connected with TDOA near-field sound source positioning device on the signal transmitting apparatus, facilitates analysis to noise
Source is positioned.
Further, it is carved with graduated scale on the telescopic end of first telescopic rod and the second telescopic rod, facilitates adjusting
The position of one microphone ball and second microphone ball.
Further, angle graduated scale is carved in the upper end of the axle sleeve, facilitates control adjustable microphone bracket rotation angle.
Further, the first microphone ball, second microphone ball and third microphone ball pass through a microphone
Mounting ball and multiple microphone combinations form, and multiple microphones are electrically connected with microphone mounting ball, the microphone
Digging in mounting ball has multiple mounting holes to match with microphone, facilitates the dismounting of microphone, convenient for safeguarding.
Further, it is coated with corrosion-inhibiting coating on first telescopic rod and the second telescopic rod, device is made to be not easy to be corroded,
It is easy to improve service using life.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme can easily be accommodated the position of microphone, and multiple microphones is facilitated to carry out noise signal receipts in different location
Collection is easy to keep noise source positioning more acurrate.
(2) bottom end of pedestal is fixedly connected with a pair of of sucker, is easy to that the present apparatus is fixed in the plane, device is made to be not easy to incline
?.
(3) it is connected with Noise Identification device in signal transmitting apparatus, is easy to precisely select the frequency band of noise, is easy to increase
The reliability of positioning.
(4) wireless signal is connected with TDOA near-field sound source positioning device on signal transmitting apparatus, facilitates and adjusts the first Mike
The position of wind ball and second microphone ball.
It is carved with graduated scale on the telescopic end of (5) first telescopic rods and the second telescopic rod, analysis is facilitated to carry out noise source
Positioning.
(6) angle graduated scale is carved in the upper end of axle sleeve, facilitates control adjustable microphone bracket rotation angle.
(7) first microphone balls, second microphone ball and third microphone ball pass through microphone mounting ball and more
A microphone combination forms, and multiple microphones are electrically connected with microphone mounting ball, there is multiple cutting in microphone mounting ball
The mounting hole to match with microphone facilitates the dismounting of microphone, convenient for safeguarding.
It is coated with corrosion-inhibiting coating on (8) first telescopic rods and the second telescopic rod, device is made to be not easy to be corroded, is easy to improve dress
Set service life.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the first microphone ball perspective view of the utility model；
Fig. 3 is the circuit diagram of the utility model.
Figure label explanation:
1 pedestal, 2 first telescopic rods, 3 signal transmitting apparatus, 4 axle sleeves, 5 second telescopic rods, 6 first microphone balls, 7 second
Microphone ball, 8 third microphone balls, 9 first lock-screws, 10 second lock-screws, 11 third lock-screws, 12 suckers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
Fig. 1-3 is please referred to, it is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point, including pedestal
1, the bottom end of pedestal 1 is fixedly connected with a pair of of sucker 12, is easy to that the present apparatus is fixed in the plane, makes device be not easy to topple over, bottom
The upper end of seat 1 is fixedly connected with the first telescopic rod 2 and signal transmitting apparatus 3, and Noise Identification dress is connected in signal transmitting apparatus 3
It sets, Noise Identification device is easy to precisely select the frequency band of noise for screening out other noises, and be easy to increase positioning can
By property, TDOA near-field sound source positioning device, TDOA near-field sound source positioning dress are connected with by wireless signal on signal transmitting apparatus 3
It is integrated with TDOA near-field sound source positioning system in setting, TDOA near-field sound source positioning device can pass through the first microphone ball 6 of processing, the
The noise signal that two microphone balls 7 and third microphone ball 8 are received analyzes the anchor point of noise source, the near field TDOA sound
Source positioning device is connected with the first lock-screw 9, the first lock-screw 9 is for locking for positioning noise source on the first telescopic rod 2
Tight first telescopic rod 2, the top of the first telescopic rod 2 are connected with third microphone ball 8, and there are two can for socket on the first telescopic rod 2
Microphone holder is adjusted, adjustable microphone bracket includes axle sleeve 4, and the second lock-screw 10, the second lock are respectively connected on two axle sleeves 4
Tight screw 10 is used for locking axle sleeve 4, and axle sleeve 4 is fixedly connected with the second telescopic rod 5 far from one end of the second lock-screw 10, and second
Third lock-screw 11 is connected on telescopic rod 5, for third lock-screw 11 for locking the second telescopic rod 5, two second flexible
The first microphone ball 6 and second microphone ball 7, the first telescopic rod 2 and the second telescopic rod 5 are connected separately on the telescopic end of bar 5
Telescopic end on be carved with graduated scale, the convenient accurate position for adjusting the first microphone ball 6 and second microphone ball 7, axle sleeve 4
Angle graduated scale is carved in upper end, and convenient accurate control adjustable microphone bracket rotates angle, the first microphone ball 6, the second Mike
Wind ball 7 and third microphone ball 8 are connect with 3 signal of signal transmitting apparatus, the first microphone ball 6, second microphone ball 7,
Three microphone balls 8 and signal transmitting apparatus 3 are electrically connected with external power supply.
In use, the present apparatus is placed on suitable position by technical staff, signal transmitting apparatus 3, the first Mike are then connected
The power supply of wind ball 6, second microphone ball 7 and third microphone ball 8, those skilled in the art use the first microphone ball 6, second
Microphone ball 7 and third microphone ball 8 carry out sound collecting, the first microphone ball 6,7 and of second microphone ball to abnormal sound
Third microphone ball 8 is sent to signal transmitting apparatus 3 after receiving noise signal, the Noise Identification dress in signal transmitting apparatus 3
It sets and first noise signal is screened, then signal transmitting apparatus 3 sends a signal to TDOA near-field sound source by wireless network and determines
Position device, TDOA near-field sound source positioning device are analyzed and processed noise signal after receiving signal, then can be obtained by
Noise source anchor point, since extraneous various factors influences, obtained noise source anchor point there may be error, may be used also by technical staff
By adjusting the first telescopic rod 2 and the length of the second telescopic rod 5 and the rotation angle of axle sleeve 4 to adjust 6 He of the first microphone ball
The position of second microphone ball 7 carries out multiple noise gathering, collected data by TDOA near-field sound source positioning device into
Multiple noise source anchor points are obtained after row analysis, those skilled in the art make to make an uproar by carrying out analysis to multiple noise source anchor points
The positioning of source of sound is more accurate, can also all check to multiple anchor points.
The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not
It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (8)
1. a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point, including pedestal (1), feature exists
In: the upper end of the pedestal (1) is fixedly connected with the first telescopic rod (2) and signal transmitting apparatus (3), first telescopic rod
(2) it is connected on the first lock-screw (9), the top of first telescopic rod (2) is connected with third microphone ball (8), described
There are two adjustable microphone brackets for socket on first telescopic rod (2), and the adjustable microphone bracket includes axle sleeve (4), two institutes
It states and is respectively connected on axle sleeve (4) the second lock-screw (10), the axle sleeve (4) is fixed far from the one end of the second lock-screw (10)
It is connected with the second telescopic rod (5), is connected with third lock-screw (11) on second telescopic rod (5), two described second are stretched
The first microphone ball (6) and second microphone ball (7), the first microphone ball are connected separately on the telescopic end of contracting bar (5)
(6), second microphone ball (7) and third microphone ball (8) are connect with signal transmitting apparatus (3) signal.
2. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
Be characterized in that: the bottom end of the pedestal (1) is fixedly connected with a pair of of sucker (12).
3. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
It is characterized in that: being connected with Noise Identification device in the signal transmitting apparatus (3).
4. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
It is characterized in that: being connected with TDOA near-field sound source positioning device on the signal transmitting apparatus (3).
5. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
It is characterized in that: being carved with graduated scale on the telescopic end of first telescopic rod (2) and the second telescopic rod (5).
6. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
It is characterized in that: being carved with angle graduated scale in the upper end of the axle sleeve (4).
7. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
Be characterized in that: the first microphone ball (6), second microphone ball (7) and third microphone ball (8) are by a microphone
Mounting ball and multiple microphone combinations form, and multiple microphones are electrically connected with microphone mounting ball, the microphone
Digging in mounting ball has multiple mounting holes to match with microphone.
8. it is according to claim 1 a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point,
It is characterized in that: being coated with corrosion-inhibiting coating on first telescopic rod (2) and the second telescopic rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675393.6U CN209055605U (en) | 2018-10-16 | 2018-10-16 | It is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675393.6U CN209055605U (en) | 2018-10-16 | 2018-10-16 | It is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055605U true CN209055605U (en) | 2019-07-02 |
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ID=67050588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821675393.6U Active CN209055605U (en) | 2018-10-16 | 2018-10-16 | It is a kind of for searching the sound source locating device of high voltage electric equipment abnormal sound point |
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| Country | Link |
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| CN (1) | CN209055605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346034A (en) * | 2019-08-12 | 2019-10-18 | 河海大学常州校区 | Inspection device is positioned based on sonic method portable high-pressure equipment fault |
| CN113758696A (en) * | 2021-09-08 | 2021-12-07 | 北京航空航天大学 | Three-dimensional stereo sound signal acquisition device |
| WO2022110232A1 (en) * | 2020-11-30 | 2022-06-02 | 南京溧水高新创业投资管理有限公司 | Microphone device for large conference room |
-
2018
- 2018-10-16 CN CN201821675393.6U patent/CN209055605U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346034A (en) * | 2019-08-12 | 2019-10-18 | 河海大学常州校区 | Inspection device is positioned based on sonic method portable high-pressure equipment fault |
| WO2022110232A1 (en) * | 2020-11-30 | 2022-06-02 | 南京溧水高新创业投资管理有限公司 | Microphone device for large conference room |
| CN113758696A (en) * | 2021-09-08 | 2021-12-07 | 北京航空航天大学 | Three-dimensional stereo sound signal acquisition device |
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