CN113204012A - Electrical equipment abnormal sound positioning method - Google Patents
Electrical equipment abnormal sound positioning method Download PDFInfo
- Publication number
- CN113204012A CN113204012A CN202110450431.8A CN202110450431A CN113204012A CN 113204012 A CN113204012 A CN 113204012A CN 202110450431 A CN202110450431 A CN 202110450431A CN 113204012 A CN113204012 A CN 113204012A
- Authority
- CN
- China
- Prior art keywords
- sound
- connecting block
- electrical equipment
- abnormal sound
- measuring instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000012423 maintenance Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves
Abstract
The invention discloses a method for positioning abnormal sound of electrical equipment, which belongs to the technical field of operation and maintenance of an electric power system, and is characterized in that a sound measuring instrument for measuring the frequency and the intensity of specific sound is fixed at one end of an insulating rod so that a maintenance worker can keep a safe distance from the equipment; when abnormal sound of the electrical equipment is heard in the routing inspection process, a sound wave detector is used for measuring the sound frequency of the electrical equipment and filtering out the abnormal sound frequency; on the acoustic detector, intensity measurements are made only for sounds of that frequency; a maintainer stands at a measuring point outside the safe distance line, holds an insulating rod fixed with a sound measuring instrument by hand, and moves the sound measuring instrument back and forth near the equipment to be measured, and the measured sound intensity is recorded as p; when the sound measuring instrument moves to a specific position at a certain moment, the intensity p of the sound is not increased any more, and the maximum value p is obtainedmaxThen, it can be determined that abnormal sound is emitted near the point, which is a potential failure point of the device. The method is simple and convenient to operate, and the abnormal sound position of the electrical equipment can be quickly positioned.
Description
Technical Field
The invention relates to the technical field of operation and maintenance of power systems, in particular to a method for positioning abnormal sound of electrical equipment.
Background
In recent years, the development of electric power systems in China is rapid, and the dependence of more and more industries on electric power is continuously enhanced, so that the requirement on the reliability of the systems is higher and higher. In the patrol process, whether the equipment runs normally can be judged through modes of watching, listening, sniffing, touching and the like. When an operation and maintenance person visits an equipment area, abnormal sound is often heard, and the process of distinguishing the abnormal sound is highly dependent on the experience of the operation and maintenance person, the detection person and the maintenance person, artificial subjective factors exist, the accurate position where the abnormal sound is emitted cannot be accurately positioned, misjudgment is easily caused, and misguidance is brought to maintenance. In order to ensure the safe and stable operation of an electric power system and reduce the probability of equipment and personal accidents, an abnormal sound positioning method for electrical equipment, which is simple and convenient to operate and can be used for quickly positioning the abnormal sound position of the electrical equipment so as to analyze and judge whether the equipment has defects as early as possible, accurately and quickly, is urgently needed.
Patent document CN 110617876 a discloses a method for locating abnormal sound of electric power equipment, which includes: emitting laser by a laser vibration meter to irradiate the tested equipment, and scanning the irradiated area to obtain the reflection spectrum information of each scanning point; acquiring reflection light frequency in the reflection spectrum information, calculating a difference value between the reflection light frequency and the incident light frequency, and obtaining vibration information of a scanning point according to the difference value; shooting the tested equipment by a visible light camera to obtain a visible light image; acquiring an angle between incident light and reflected light of a vibration point in the reflected spectrum information, and determining the projection position of the vibration point in the visible light image according to the angle; fusing the visible light image with the vibration information; and obtaining the abnormal sound position of the tested equipment according to the vibration speed position distribution of the vibration points in the fusion image. According to the invention, the reflection spectrum information of the tested equipment and the visible light image are fused, and the accurate positioning of abnormal sound of the tested equipment is realized according to the vibration information in the reflection spectrum information. However, the method is inconvenient to operate, data processing is needed subsequently, and the abnormal sound position of the electrical equipment cannot be found timely and quickly.
Patent document with publication number CN 104316166 a discloses a transformer substation abnormal sound video positioning method, in which a front-end sound collection device arranged at a transformer substation monitoring site collects sound of a switch cabinet, and transmits the sound to a background server, the background server calls a sound function, and analyzes and judges the sound transmitted by the front-end sound collection device, if the sound is analyzed and judged to be abnormal, the device number, the abnormal sound sample number and the abnormal sound occurrence time are obtained, and further, according to the device number of the abnormal sound, a stepping motor is driven to drive a 3G network camera to move to the upper side of the switch cabinet with problems for recording and transmit the recorded video to the background server through a 3G network. The invention can reduce the workload of on-site daily operation inspection, discover and locate defects as early as possible, provide basis for changing the regular detection of the equipment into the state maintenance, further reduce the occurrence of accidents, and improve the operation reliability of the on-site equipment. However, the present invention also fails to solve the above-mentioned technical problems.
Disclosure of Invention
In view of the above, the present invention provides an abnormal sound positioning method for electrical equipment, which is simple and convenient to operate and can quickly position the abnormal sound position of the electrical equipment, in view of the defects in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an abnormal sound positioning method for electrical equipment comprises the following steps:
s1: fixing a sound measuring instrument for measuring the frequency and intensity of specific sound at one end of an insulating rod so that a maintenance worker can keep a safe distance from the equipment;
s2: when abnormal sound of the electrical equipment is heard in the routing inspection process, the sound wave detector is used for measuring the sound frequency of the electrical equipment, and the filtered abnormal sound frequency is recorded as f0；
S3: on a sonic detector, the measurement frequency is adjusted to f0Intensity measurements are made only for sounds at that frequency;
s4: a maintainer stands at a measuring point outside the safe distance line, holds an insulating rod fixed with a sound measuring instrument by hand, and moves the sound measuring instrument back and forth near the equipment to be measured, and the measured sound intensity is recorded as p;
s5: when the sound measuring instrument moves to a specific position at a certain moment, the intensity p of the sound is not increased any more, and the maximum value p is obtainedmaxThen, it can be determined that abnormal sound is emitted near the point, which is a potential failure point of the device.
Furthermore, the sound measuring instrument is connected with the sound wave detector through a transmission lead.
Furthermore, the sound measuring instrument is a sound receiving microphone.
Furthermore, the end part of the insulating rod is provided with a damping connecting piece, and the radio microphone is arranged in the damping connecting piece.
Further, the shock attenuation connecting piece includes sleeve, inner tube, spring, connecting block one and connecting block two, set up in the sleeve the inner tube, the inner tube through a plurality of springs with muffjoint, inner tube week side sets up a plurality of being used for fixing the first locking bolt of radio reception microphone, the sleeve lower part is fixed to be set up connecting block one, connecting block one lower part with connecting block two is articulated, connecting block two lower parts set up the jack, the connecting block two sides sets up and is used for fixing the second locking bolt of insulator spindle.
Furthermore, one side of the first connecting block and one side of the second connecting block are connected through a pin shaft, a torsional spring is sleeved on the pin shaft, two side faces of the first connecting block are provided with limiting plates, and a part for controlling opening and closing is arranged between the first connecting block and the second connecting block.
Furthermore, the opening and closing control component comprises an iron sheet arranged on the bottom surface of the first connecting block, an electromagnet arranged on the top surface of the second connecting block and a control switch arranged at the lower end of the insulating rod, the control switch is connected with the electromagnet through a signal wire, the signal wire is arranged inside the insulating rod, and a wire clamp used for fixing the transmission wire is further arranged on the upper portion of the insulating rod.
Furthermore, the shape of the sleeve is a quadrangular prism, the inner wall of the sleeve is cylindrical, and the first connecting block and the sleeve are integrally connected.
Compared with the prior art, the invention has the following beneficial effects:
the method for positioning the abnormal sound of the electrical equipment adopts a method of frequency measurement and sound intensity positioning, and positions the abnormal sound position of the electrical equipment according to the frequency and the loudness of the abnormal sound emitted by the electrical equipment so as to find potential fault points of the electrical equipment. The method can quickly, accurately, quantitatively and objectively complete the abnormal sound positioning of the electrical equipment, eliminates the influence of factors such as insufficient personnel experience, noise and the like in the field environment on the positioning process, can quickly and accurately find out the potential fault point of the equipment, improves the equipment maintenance efficiency, and ensures the safe and stable operation of the system. The method is simple to apply and simple and convenient to operate, can be completed in the normal routing inspection process, and solves the problems that abnormal sound cannot be distinguished, the positioning is inaccurate and the like caused by external factors.
In addition, in order to improve the accuracy of abnormal sound positioning in the routing inspection process, the end part of the insulating rod is provided with a damping connecting piece, the sound receiving microphone is arranged in the inner cylinder and is fixed by screwing a plurality of first locking bolts, and a spring outside the inner cylinder can slow down the shaking of the insulating rod, so that wind noise generated by the shaking of the sound receiving microphone is weakened, and the sound receiving is more accurate; the lower part of shock attenuation connecting piece is provided with connecting block one and connecting block two through round pin hub connection, and outage through the control electro-magnet makes connecting block one and connecting block two break away from the constraint of magnetism and inhales, and alternate segregation under the effect of torsional spring to under the effect of limiting plate, make radio reception microphone and insulator spindle mutually perpendicular, so that solve meet the unable problem that detects in equipment bending part at the in-process of patrolling and examining, it is nimble convenient, improve and patrol and examine efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a measurement apparatus according to a first embodiment of the present invention;
FIG. 2 is a diagram of a measurement method according to one embodiment of the present invention;
FIG. 3 is an elevation view of a shock absorbing connector in a closed state according to a second embodiment of the present invention;
FIG. 4 is an elevation view of the shock absorbing attachment shown in an open position in accordance with a second embodiment of the present invention;
FIG. 5 is a top view of a shock absorbing attachment in accordance with a second embodiment of the present invention;
FIG. 6 is a cross-sectional view of a shock absorbing attachment in accordance with a third embodiment of the present invention;
fig. 7 is a partial sectional view of a fourth embodiment of the present invention.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in fig. 1 to 2, a method for locating abnormal sound of electrical equipment includes the following steps:
s1: fixing a sound measuring instrument 1 for measuring the frequency and intensity of a specific sound to one end of an insulating rod 2 so that a maintenance man can keep a safe distance from the equipment;
s2: when the abnormal sound of the electrical equipment 5 is heard in the inspection process, the sound wave detector 4 is used for measuring the sound frequency of the electrical equipment, and the filtered abnormal sound frequency is recorded as f0；
S3: on the acoustic wave detector 4, the measurement frequency is adjusted to f0Intensity measurements are made only for sounds at that frequency;
s4: a maintainer stands at a measuring point 7 outside the safe distance line 6, holds the insulating rod 2 fixed with the sound measuring instrument 1 by hand, and moves the sound measuring instrument 1 back and forth near the equipment to be measured, and records the measured sound intensity as p;
s5: when the sound measuring instrument 1 moves to a specific position at a certain moment, the intensity p of the sound is not increased any more, and the maximum value p is obtainedmaxThen, it can be determined that abnormal sound is emitted near the point, which is a potential failure point of the device.
In the embodiment of the invention, the sound measuring instrument 1 is connected with the sound wave detector 4 through a transmission lead 3, and the sound measuring instrument 1 is a sound receiving microphone.
When the electrical equipment makes abnormal sound, the abnormal sound is a sound wave with a specific frequency. This specific frequency is measured and locked in by the instrument and the sound intensity is measured. Keeping a safe distance, slowly approaching the sound receiving microphone to the abnormal sound equipment, and observing the intensity. The higher place of sound intensity is the abnormal sound point of giving out, judges whether to have the potential safety hazard through the electrical equipment structure. The method is simple and convenient to operate, influences of external factors (personnel experience, noise interference, safety distance limitation and the like) are reduced, and the position of abnormal sound of the electrical equipment can be quickly positioned, so that whether the equipment has defects or not can be analyzed and judged early, accurately and quickly.
Example two
As shown in fig. 3 to 5, a method for locating abnormal sound of electrical equipment includes the following steps:
s1: fixing a sound measuring instrument for measuring the frequency and intensity of specific sound at one end of an insulating rod so that a maintenance worker can keep a safe distance from the equipment;
s2: when abnormal sound of the electrical equipment is heard in the routing inspection process, the sound wave detector is used for measuring the sound frequency of the electrical equipment, and the filtered abnormal sound frequency is recorded as f0；
S3: on a sonic detector, the measurement frequency is adjusted to f0Intensity measurements are made only for sounds at that frequency;
s4: a maintainer stands at a measuring point outside the safe distance line, holds an insulating rod fixed with a sound measuring instrument by hand, and moves the sound measuring instrument back and forth near the equipment to be measured, and the measured sound intensity is recorded as p;
s5: when the sound measuring instrument moves to a specific position at a certain moment, the intensity p of the sound is not increased any more, and the maximum value p is obtainedmaxThen, it can be determined that abnormal sound is emitted near the point, which is a potential failure point of the device.
In the embodiment of the invention, the end part of the insulating rod is provided with a damping connecting piece, and the sound receiving microphone is arranged in the damping connecting piece.
Damping connection spare includes sleeve 8, inner tube 9, spring 10, connecting block 11 and connecting block two 12, sleeve 8's appearance is the quadrangular prism, and the inner wall is cylindrical, connecting block 11 with sleeve 8 body coupling, set up in the sleeve 8 the inner tube 9, inner tube 9 through four springs 10 with sleeve 8 is connected, 9 week sides of inner tube set up four and are used for fixing the first locking bolt 13 of radio reception microphone, the fixed setting in 8 lower parts of sleeve the connecting block 11, the connecting block 11 lower part with connecting block two 12 are articulated, connecting block two 12 lower parts set up the jack, connecting block two 12 sides set up and are used for fixing the second locking bolt 14 of insulator spindle 2.
The first connecting block 11 and one side of the second connecting block 12 are connected through a pin shaft, a torsion spring is sleeved on the pin shaft, a limiting plate 15 is arranged on the side face of the second connecting block 12, and a control opening and closing component is arranged between the first connecting block 11 and the second connecting block 12.
The opening and closing control component comprises an iron sheet 16 arranged on the bottom surface of the first connecting block 11, an electromagnet 17 arranged on the top surface of the second connecting block 12 and a control switch arranged at the lower end of the insulating rod 2, the control switch is connected with the electromagnet through a signal wire, the signal wire is arranged inside the insulating rod, and a wire clamp 18 used for fixing the transmission wire 3 is further arranged on the upper portion of the insulating rod 2.
In the inspection process, because the power equipment has a safe distance and uses the insulating rod as an auxiliary tool, but some power equipment has a bend angle, and the radio microphone at the end part of the insulating rod cannot be in close contact with the power equipment, in the embodiment of the invention, the connecting block I and the connecting block II are separated from the constraint of magnetic attraction by controlling the power-off of the electromagnet, are separated from each other under the action of the torsion spring, and are perpendicular to each other under the action of the limiting plate, so that the problem is solved. In addition, because connecting block one and connecting block two are perpendicular suddenly, can drive the transmission wire fast, damage the wire easily, consequently, fix the transmission wire on the fastener to leave certain length, thereby avoid the wire to break.
EXAMPLE III
As shown in fig. 6, the method for locating abnormal noise of electrical equipment according to the embodiment of the present invention is different from the second embodiment in that: the opening and closing control component comprises a rectangular hanging ring 19 arranged at the bottom of the first connecting block 11, a groove arranged on the top surface of the second connecting block 12 and a hanging piece arranged in the groove, and the hanging piece is clamped in the rectangular hanging ring.
The pendant includes montant 20, wedge string head 21 and electric telescopic handle 22, 20 upper ends of montant set up wedge string head 21, the top surface of wedge string head 21 is the cambered surface, 20 middle parts of montant through the axis body articulate in the both sides inner wall of recess, 20 lower extreme and the level of montant set up electric telescopic handle 22 swing joint, the insulator spindle lower part is equipped with and is used for controlling electric telescopic handle's switch.
In the embodiment of the invention, when the radio microphone is required to be vertically used with the insulating rod, the switch is pressed down to enable the electric telescopic rod to be contracted, the wedge-shaped hanging head at the upper end of the vertical rod rotates outwards to be separated from the rectangular hanging ring, and the first connecting block and the sleeve rotate to a position vertical to the insulating rod under the action of the torsion spring and are fixed by the limiting plate.
Example four
An abnormal sound positioning method for electrical equipment comprises the following steps:
s1: fixing a sound measuring instrument for measuring the frequency and intensity of specific sound at one end of an insulating rod so that a maintenance worker can keep a safe distance from the equipment;
s2: on-line inspectionWhen the abnormal sound of the electrical equipment is heard in the process, the sound wave detector is used for measuring the sound frequency of the electrical equipment, and the filtered abnormal sound frequency is recorded as f0；
S3: on a sonic detector, the measurement frequency is adjusted to f0Intensity measurements are made only for sounds at that frequency;
s4: a maintainer stands at a measuring point outside the safe distance line, holds an insulating rod fixed with a sound measuring instrument by hand, and moves the sound measuring instrument back and forth near the equipment to be measured, and the measured sound intensity is recorded as p;
s5: when the sound measuring instrument moves to a specific position at a certain moment, the intensity p of the sound is not increased any more, and the maximum value p is obtainedmaxThen, it can be determined that abnormal sound is emitted near the point, which is a potential failure point of the device.
In the embodiment of the invention, the end part of the insulating rod is provided with a damping connecting piece, and the sound receiving microphone is arranged in the damping connecting piece.
The damping connecting piece includes sleeve, inner tube, spring, connecting block one and connecting block two, telescopic appearance is the quadrangular prism, and the inner wall is cylindrical, connecting block one with sleeve body coupling, set up in the sleeve the inner tube, the inner tube through four springs with muffjoint, inner tube week side sets up four and is used for fixing the first locking bolt of radio reception microphone, the sleeve lower part is fixed to be set up connecting block one, connecting block one lower part with connecting block two is articulated, connecting block two lower parts set up the jack, connecting block two sides set up and are used for fixing the second locking bolt of insulator spindle.
The connecting block I and one side of the connecting block II are connected through a pin shaft, a torsional spring is sleeved on the pin shaft, two side faces of the connecting block are provided with limiting plates, and a part for controlling opening and closing is arranged between the connecting block I and the connecting block II.
The opening and closing control component comprises a rectangular hanging ring arranged at the bottom of the first connecting block, a groove arranged on the top surface of the second connecting block and a hanging piece arranged in the groove, and the hanging piece is clamped in the rectangular hanging ring.
As shown in fig. 7, the method for locating abnormal noise of electrical equipment according to the embodiment of the present invention is different from the third embodiment in that:
the pendant includes montant 20, wedge string head 21, straight spring 22, stopper 23 and fixed pulley 24, 20 upper ends of montant set up wedge string head 21, the top surface of wedge string head 21 is the cambered surface, 20 middle parts of montant pass through the axis body articulate in the both sides inner wall of recess, 20 one side of montant sets up stopper 23, be equipped with the through-hole on the stopper 23, stopper 23 with montant 20 passes through straight spring 22 connects, stopper 23 one side sets up fixed pulley 24, a rope 25 is connected to 20 lower extremes of montant, the rope 25 other end is followed in proper order straight spring 22 the through-hole is worn out, hangs and establishes behind the fixed pulley 24, follow the bottom plate mesopore of insulator spindle 2 is worn out, moreover a cylindrical handle 26 of end fixing of rope 25.
In the embodiment of the invention, when the radio microphone is required to be vertically used with the insulating rod, the cylindrical handle is pulled downwards, the rope pulls the lower end of the vertical rod, and the wedge-shaped hanging head is separated from the rectangular hanging ring, so that the first connecting block and the second connecting block are mutually perpendicular under the action of the torsion spring and the limiting plate, the radio microphone can conveniently acquire abnormal sound information at the corner of power equipment, the cylindrical handle is loosened, the straight spring is restored to the original state, the vertical rod is continuously kept in the vertical state, and when the first connecting block and the second connecting block are required to be butted, the first connecting block is pressed towards the second connecting block, and the rectangular hanging ring 19 and the wedge-shaped hanging head are mutually clamped. The opening and closing control component of the embodiment of the invention has the advantages of convenient operation, no need of electric elements and low processing cost.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A method for positioning abnormal sound of electrical equipment is characterized by comprising the following steps: the method comprises the following steps:
s1: fixing a sound measuring instrument for measuring the frequency and intensity of specific sound at one end of an insulating rod so that a maintenance worker can keep a safe distance from the equipment;
s2: when abnormal sound of the electrical equipment is heard in the routing inspection process, the sound wave detector is used for measuring the sound frequency of the electrical equipment, and the filtered abnormal sound frequency is recorded as f0；
S3: on a sonic detector, the measurement frequency is adjusted to f0Intensity measurements are made only for sounds at that frequency;
s4: a maintainer stands at a measuring point outside the safe distance line, holds an insulating rod fixed with a sound measuring instrument by hand, and moves the sound measuring instrument back and forth near the equipment to be measured, and the measured sound intensity is recorded as p;
s5: when the sound measuring instrument moves to a specific position at a certain moment, the intensity p of the sound is not increased any more, and the maximum value p is obtainedmaxThen, it can be determined that abnormal sound is emitted near the point, which is a potential failure point of the device.
2. The abnormal sound positioning method for electrical equipment according to claim 1, wherein: the sound measuring instrument is connected with the sound wave detector through a transmission lead.
3. The abnormal sound positioning method for electrical equipment according to claim 2, wherein: the sound measuring instrument is a sound receiving microphone.
4. The abnormal sound positioning method of the electrical equipment according to claim 3, characterized in that: the insulating rod tip is provided with the shock attenuation connecting piece, the radio reception microphone set up in the shock attenuation connecting piece.
5. The abnormal sound positioning method of the electrical equipment according to claim 4, characterized in that: the damping connecting piece includes sleeve, inner tube, spring, connecting block one and connecting block two, set up in the sleeve the inner tube, the inner tube through a plurality of springs with muffjoint, inner tube week side sets up a plurality of being used for fixing the first locking bolt of radio reception microphone, the sleeve lower part is fixed to be set up connecting block one, connecting block one lower part with connecting block two is articulated, connecting block two lower parts set up the jack, the connecting block two sides set up and are used for fixing the second locking bolt of insulator spindle.
6. The abnormal sound positioning method of electrical equipment according to claim 5, characterized in that: the connecting block I and one side of the connecting block II are connected through a pin shaft, a torsional spring is sleeved on the pin shaft, two side faces of the connecting block are provided with limiting plates, and a part for controlling opening and closing is arranged between the connecting block I and the connecting block II.
7. The abnormal sound positioning method of electrical equipment according to claim 6, characterized in that: the control part that opens and shuts includes the iron sheet that sets up in connecting block one bottom surface, sets up the electro-magnet at two top surfaces of connecting block, and sets up the control switch of insulator spindle lower extreme, control switch with the electro-magnet passes through the signal line and connects, the signal line sets up inside the insulator spindle, insulator spindle upper portion still is equipped with and is used for fixing the fastener of transmission wire.
8. The abnormal sound positioning method for electrical equipment according to claim 7, wherein: the sleeve is quadrangular in appearance, the inner wall of the sleeve is cylindrical, and the first connecting block and the sleeve are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110450431.8A CN113204012B (en) | 2021-04-25 | 2021-04-25 | Abnormal sound positioning method for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110450431.8A CN113204012B (en) | 2021-04-25 | 2021-04-25 | Abnormal sound positioning method for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113204012A true CN113204012A (en) | 2021-08-03 |
| CN113204012B CN113204012B (en) | 2023-11-17 |
Family
ID=77028707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110450431.8A Active CN113204012B (en) | 2021-04-25 | 2021-04-25 | Abnormal sound positioning method for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113204012B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200263115Y1 (en) * | 2001-10-31 | 2002-01-31 | 한국전력공사 | A Portable Apparatus for locating the site of a changed sound |
| WO2008042884A1 (en) * | 2006-10-02 | 2008-04-10 | Wayne State University | Locating arbitrary noise sources |
| JP2016102783A (en) * | 2014-11-14 | 2016-06-02 | 積水化学工業株式会社 | Abnormal sound generation position specification method and abnormal sound generation position specification device |
| US20190295568A1 (en) * | 2018-03-20 | 2019-09-26 | Honda Motor Co., Ltd. | Abnormal sound determination apparatus and determination method |
| CN111426893A (en) * | 2020-03-17 | 2020-07-17 | 海盐南原电力工程有限责任公司 | Portable high-voltage equipment fault sound inspection device and fault detection method thereof |
| CN111580050A (en) * | 2020-05-28 | 2020-08-25 | 国网上海市电力公司 | Device and method for identifying position of abnormal sound source of GIS (geographic information System) equipment |
| CN111721354A (en) * | 2020-05-13 | 2020-09-29 | 国网江苏省电力有限公司灌南县供电分公司 | Portable power equipment sound wave detection analyzer |
-
2021
- 2021-04-25 CN CN202110450431.8A patent/CN113204012B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200263115Y1 (en) * | 2001-10-31 | 2002-01-31 | 한국전력공사 | A Portable Apparatus for locating the site of a changed sound |
| WO2008042884A1 (en) * | 2006-10-02 | 2008-04-10 | Wayne State University | Locating arbitrary noise sources |
| JP2016102783A (en) * | 2014-11-14 | 2016-06-02 | 積水化学工業株式会社 | Abnormal sound generation position specification method and abnormal sound generation position specification device |
| US20190295568A1 (en) * | 2018-03-20 | 2019-09-26 | Honda Motor Co., Ltd. | Abnormal sound determination apparatus and determination method |
| CN111426893A (en) * | 2020-03-17 | 2020-07-17 | 海盐南原电力工程有限责任公司 | Portable high-voltage equipment fault sound inspection device and fault detection method thereof |
| CN111721354A (en) * | 2020-05-13 | 2020-09-29 | 国网江苏省电力有限公司灌南县供电分公司 | Portable power equipment sound wave detection analyzer |
| CN111580050A (en) * | 2020-05-28 | 2020-08-25 | 国网上海市电力公司 | Device and method for identifying position of abnormal sound source of GIS (geographic information System) equipment |
Non-Patent Citations (2)
| Title |
|---|
| 张伟 等: "超声局部放电检测技术在SF_6罐式断路器故障诊断中的应用", 广西电力, vol. 39, no. 02, pages 78 - 81 * |
| 郭展宏 等: "动车组异音异响故障分析及监测系统设计", 陕西理工大学学报( 自然科学版), vol. 35, no. 2, pages 50 - 55 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113204012B (en) | 2023-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101446571B (en) | Nondestructive detecting device and detecting system | |
| KR101352070B1 (en) | System for portable video inspection | |
| CN101587005A (en) | Acoustic velocimetry SF6 gas leakage monitoring and warning system | |
| CN103033820A (en) | Optical cable identifying method and equipment | |
| CN113391166A (en) | Portable overhead distribution line fault detection device based on ultrasonic intelligent detection | |
| CN109991480A (en) | Detection device and method of the M-Bus signal instrument under Intended radiation interference | |
| CN115047061B (en) | Nondestructive testing device and method for strain clamp of ultra-high voltage transmission line | |
| CN111238407A (en) | Sensor system for measuring angle of contact net isolating switch knife | |
| CN108267179A (en) | Low speed magnetic suspension train collector shoe and the device of conductor rail dynamic property detection in realization | |
| CN113204012A (en) | Electrical equipment abnormal sound positioning method | |
| CN110243925A (en) | Elevator composite steel band defects detection and evaluating apparatus and method | |
| CN106931897B (en) | Vibration damping flexibility connection pipe deformation measuring device | |
| CN212007530U (en) | Transformer substation temperature monitoring system based on thermal imaging | |
| CN211318239U (en) | Toughened glass curtain wall impurity and defect on-site detecting system | |
| KR102311106B1 (en) | An Evaluation and Localization System of The Concrete Soundness Based on Mixed Reality through Real-Time Strike Sound Analysis and It's Method | |
| CN207528907U (en) | A kind of measurement instrument automatic monitoring device | |
| CN110057872A (en) | A kind of cable fracture of wire monitoring method based on detection self inductance effect inductance | |
| CN212134033U (en) | Optical cable fiber core inspection device | |
| CN116147751A (en) | Optical fiber vibration sensor for identifying broken strand of overhead transmission line | |
| CN201429490Y (en) | Acoustic anemometry for SF6 gas-leakage monitoring and alarming system | |
| CN213714534U (en) | Device for measuring vibration of generator stator winding | |
| CN211043169U (en) | Device for on-site detection of impurities and defects of toughened glass curtain wall | |
| CN112964296A (en) | Remote monitoring system for safety state of butt welding seam of ship lift | |
| KR20100021115A (en) | Method, system, and terminal equipment for having control roboat for inspection of live-line suspension insulator string | |
| CN206671439U (en) | It is a kind of detection porcelain insulator whether the buzzing tester of null value |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |