CN204595149U - Cable electroacoustic integral type partial discharge location sensor - Google Patents
Cable electroacoustic integral type partial discharge location sensor Download PDFInfo
- Publication number
- CN204595149U CN204595149U CN201520153917.5U CN201520153917U CN204595149U CN 204595149 U CN204595149 U CN 204595149U CN 201520153917 U CN201520153917 U CN 201520153917U CN 204595149 U CN204595149 U CN 204595149U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- shell
- ultrasonic signal
- circuit board
- circuitry plate
- 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.)
- Expired - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 208000002925 dental caries Diseases 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000002604 ultrasonography Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model relates to a kind of cable electroacoustic integral type partial discharge location sensor, its technical scheme is: one end of shell is used for fixing out splice going splice, photoelectric conversion module, switch, opposite side is used for fixing protective cover, it is inner that ultrasonic vibrator embeds protective cover, the outside of ultrasonic vibrator connects ultrasonic signal gatherer, the inside of ultrasonic vibrator connects ultrasonic signal circuit board, ultrasonic vibrator is used for received ultrasonic signal, ultrasonic signal circuit board connects electrical signal circuitry plate, electrical signal circuitry plate connects out splice going splice and photoelectric conversion module, extension rod is connected with the threaded hole of outer casing back by front terminal bolt, LED welding is on electrical signal circuitry plate, light emitting diode is fixed on switch both sides, whether light emitting diode is used to indicate circuit board and normally works, the beneficial effects of the utility model are: the effective accuracy that improve ultrasound examination, convert electrical signals to light signal and export, guarantee accuracy, the reliability of transmitting rear signal, improve the accuracy of detection.
Description
Technical field
The utility model relates to a kind of sensor detection field, particularly a kind of cable electroacoustic integral type partial discharge location sensor.
Background technology
Shelf depreciation is a kind of high-field effect in insulating medium, long-term shelf depreciation effect can cause insulating medium aging, puncture, even may cause the blast of large scale electrical power unit time serious, bring great loss to the national people.Supercritical ultrasonics technology and ultrahigh frequency method are the important method of power equipment Partial Discharge Detection, because the electric loop of ultrasound wave and power equipment is without any contacting, not by the disturbing effect of electric aspect, can position discharge position, chargedly can carry out the advantage such as detecting and make it more and more come into one's own in actual applications.High voltage electric equipment can form high-voltage electromagnetic field near high-tension line, when a partial discharge occurs, the electromagnetic field of electric discharge near sites can be subject to corresponding impact, the shelf depreciation of high voltage equipment effectively can be detected by the electromagnetic field change detected near high voltage electric equipment.
Detection field is put in office, ultrasound wave is widely used in Site Detection because not affecting by on-the-spot electrical equipment, but existing ultrasound partial discharge sensor only possesses separately Ultrasonic Detection function, when running into the more serious scene of some noise ratio, simple ultrasound examination cannot judge contacting of the electrical equipment at signal and the scene detected effectively accurately, the electromagnetic interference (EMI) phenomenon at some scene is very serious simultaneously, common electromagnetic wave class sensor cannot work at all, or due to the output of sensor be electric signal, the accuracy of signal after cable transmission, reliability is all had a strong impact on.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of cable electroacoustic integral type partial discharge location sensor, guarantees accuracy, the reliability of transmitting rear signal, improve the accuracy of detection.
Its technical scheme is: comprise shell, protective cover, ultrasonic signal gatherer, ultrasonic vibrator, ultrasonic signal circuit board, electrical signal circuitry plate, out splice going splice, photoelectric conversion module, switch, light emitting diode, battery case, extension rod, the top of shell, fixed groove is arranged at bottom, and there is fixed orifice the side of shell, and there are four cavitys the inside of shell, is respectively used to put ultrasonic signal circuit board in four cavitys of shell, electrical signal circuitry plate and battery case, shell and ultrasonic signal circuit board, electrical signal circuitry plate connects hole by correspondence and interfixes, and one end of shell is used for fixing out splice going splice, photoelectric conversion module, switch, opposite side is used for fixing protective cover, it is inner that ultrasonic vibrator embeds protective cover, the outside of ultrasonic vibrator connects ultrasonic signal gatherer, the inside of ultrasonic vibrator connects ultrasonic signal circuit board, ultrasonic vibrator is used for received ultrasonic signal, ultrasonic signal circuit board connects electrical signal circuitry plate, electrical signal circuitry plate connects out splice going splice and photoelectric conversion module, extension rod is connected with the threaded hole of outer casing back by front terminal bolt, LED welding is on electrical signal circuitry plate, and light emitting diode is fixed on switch both sides, and whether light emitting diode is used to indicate circuit board and normally works.
The outside of above-mentioned shell is provided with aluminum hull lid, prevents interference for shielded signal.
Above-mentioned ultrasonic signal gatherer flare structure, ultrasonic signal gatherer outer end inlet diameter be greater than inner outlet diameter.
The beneficial effects of the utility model are: the effective accuracy that improve ultrasound examination, avoid the electromagnetic interference (EMI) of operation field, convert electrical signals to light signal and export, guarantee accuracy, the reliability of transmitting rear signal, improve the accuracy of detection.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is inner structure schematic diagram of the present utility model;
In upper figure: shell 1, protective cover 2, aluminum hull lid 3, ultrasonic signal gatherer 4, ultrasonic vibrator 5, ultrasonic signal circuit board 6, electrical signal circuitry plate 7, out splice going splice 8, photoelectric conversion module 9, switch 10, light emitting diode 11, battery case 12, extension rod 13.
Embodiment
1-2 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises shell 1, protective cover 2, aluminum hull lid 3, ultrasonic signal gatherer 4, ultrasonic vibrator 5, ultrasonic signal circuit board 6, electrical signal circuitry plate 7, out splice going splice 8, photoelectric conversion module 9, switch 10, light emitting diode 11, battery case 12, extension rod 13, the top of shell 1, fixed groove is arranged at bottom, and there is fixed orifice the side of shell 1, and there are four cavitys the inside of shell 1, is respectively used to put ultrasonic signal circuit board 4 in four cavitys of shell 1, electrical signal circuitry plate 7 and battery case 12, shell 1 and ultrasonic signal circuit board 4, electrical signal circuitry plate 7 connects hole by correspondence and interfixes, and one end of shell 1 is used for fixing out splice going splice 8, photoelectric conversion module 9, switch 10, opposite side is used for fixing protective cover 2, it is inner that ultrasonic vibrator 5 embeds protective cover 2, the outside of ultrasonic vibrator 5 connects ultrasonic signal gatherer 4, the inside of ultrasonic vibrator 5 connects ultrasonic signal circuit board 6, ultrasonic vibrator 5 is for received ultrasonic signal, ultrasonic signal circuit board 6 connects electrical signal circuitry plate 7, electrical signal circuitry plate 7 connects out splice going splice 8 and photoelectric conversion module 9, extension rod 13 is connected with the threaded hole of shell 1 rear end by front terminal bolt, light emitting diode 11 is welded on electrical signal circuitry plate 7, and light emitting diode 11 is fixed on switch 10 both sides, and whether light emitting diode 11 is used to indicate circuit board and normally works.
Wherein, the outside of shell is provided with aluminum hull lid 3, prevents interference for shielded signal.
In addition, ultrasonic signal gatherer 4 flare structure, the outer end inlet diameter of ultrasonic signal gatherer 4 is greater than inner outlet diameter.
Principle of work: open switch, ultrasonic signal interior is on a large scale focused on ultrasonic vibrator 5 by ultrasonic signal gatherer 4, by ultrasonic vibrator 5, acoustical signal is converted to electric signal and directly passes to electrical signal circuitry plate 7, electric signal imports electrical signal circuitry plate 7 into by transmission line, through the noise reduction of electrical signal circuitry plate 7, amplification, filtering process, eventually pass photoelectric conversion module 9 and convert electrical signals to light signal and export.The design of extension rod is for convenience detach, and extension rod can ensure the safe distance between testing staff and high voltage electric equipment, facilitate testing staff hand do not reach or more dangerous region time use.
The beneficial effects of the utility model are: the effective accuracy that improve ultrasound examination, avoid the electromagnetic interference (EMI) of operation field, convert electrical signals to light signal and export, guarantee accuracy, the reliability of transmitting rear signal, improve the accuracy of detection.
Claims (3)
1. a cable electroacoustic integral type partial discharge location sensor, is characterized in that: comprise shell (1), protective cover (2), ultrasonic signal gatherer (4), ultrasonic vibrator (5), ultrasonic signal circuit board (6), electrical signal circuitry plate (7), out splice going splice (8), photoelectric conversion module (9), switch (10), light emitting diode (11), battery case (12), extension rod (13), the top of shell (1), fixed groove is arranged at bottom, and there is fixed orifice the side of shell (1), and there are four cavitys the inside of shell (1), is respectively used to put ultrasonic signal circuit board (4) in four cavitys of shell (1), electrical signal circuitry plate (7) and battery case (12), shell (1) and ultrasonic signal circuit board (4), electrical signal circuitry plate (7) connects hole by correspondence and interfixes, and one end of shell (1) is used for fixing out splice going splice (8), photoelectric conversion module (9), switch (10), opposite side is used for fixing protective cover (2), it is inner that ultrasonic vibrator (5) embeds protective cover (2), the outside of ultrasonic vibrator (5) connects ultrasonic signal gatherer (4), the inside of ultrasonic vibrator (5) connects ultrasonic signal circuit board (6), ultrasonic vibrator (5) is for received ultrasonic signal, ultrasonic signal circuit board (6) connects electrical signal circuitry plate (7), electrical signal circuitry plate (7) connects out splice going splice (8) and photoelectric conversion module (9), extension rod (13) is connected by the threaded hole of front terminal bolt with shell (1) rear end, light emitting diode (11) is welded on electrical signal circuitry plate (7), and light emitting diode (11) is fixed on the both sides of switch (10).
2. cable electroacoustic integral type partial discharge location sensor according to claim 1, is characterized in that: the outside of described shell (1) is provided with aluminum hull lid (3).
3. cable electroacoustic integral type partial discharge location sensor according to claim 1, is characterized in that: described ultrasonic signal gatherer (4) flare structure, the outer end inlet diameter of ultrasonic signal gatherer (4) is greater than inner outlet diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520153917.5U CN204595149U (en) | 2015-03-18 | 2015-03-18 | Cable electroacoustic integral type partial discharge location sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520153917.5U CN204595149U (en) | 2015-03-18 | 2015-03-18 | Cable electroacoustic integral type partial discharge location sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204595149U true CN204595149U (en) | 2015-08-26 |
Family
ID=53931294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520153917.5U Expired - Fee Related CN204595149U (en) | 2015-03-18 | 2015-03-18 | Cable electroacoustic integral type partial discharge location sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204595149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467285A (en) * | 2015-12-18 | 2016-04-06 | 保定天威新域科技发展有限公司 | Local-discharge three-dimensional space positioning sensor and fault positioning method for high-voltage electric equipment |
-
2015
- 2015-03-18 CN CN201520153917.5U patent/CN204595149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467285A (en) * | 2015-12-18 | 2016-04-06 | 保定天威新域科技发展有限公司 | Local-discharge three-dimensional space positioning sensor and fault positioning method for high-voltage electric equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110161386A (en) | A kind of portable high-pressure cable connector local discharge detection device and method | |
| CN102981110A (en) | Data measurement and storage system and method for achieving high frequency and ultra-high frequency partial discharge monitoring of transformer | |
| CN203054160U (en) | TEV sensor used in partial discharge detection of switch cabinet | |
| CN204666773U (en) | A kind of Portable PD On-Line superfrequency and ultrasonic signal pick-up unit | |
| CN103197210B (en) | Integrated sensor used for partial discharge detection of switch cabinet | |
| CN204214972U (en) | A kind of magnet controlled reactor on-line monitoring system | |
| CN201359621Y (en) | Sensor for detecting transient voltage to ground signal | |
| CN203037802U (en) | Data measuring storage system achieving transformer high-frequency and ultrahigh-frequency partial discharge monitoring | |
| CN204595149U (en) | Cable electroacoustic integral type partial discharge location sensor | |
| CN203117369U (en) | Magnetosonic transducer | |
| CN104019868A (en) | Oil level monitoring and warning device for oil conservator special for transformer | |
| CN203798969U (en) | Cable partial discharge detection system based on frequency conversion resonance voltage resistance | |
| CN204028280U (en) | A kind of secondary loop of mutual inductor failure detector | |
| CN203117368U (en) | Acoustical-electrical sensor | |
| CN207992384U (en) | Shelf depreciation detection device | |
| CN203551678U (en) | Online monitoring system of amorphous alloy tridimensional toroidal-core transformer | |
| CN203950018U (en) | High-tension cable partial discharge detecting sensor based | |
| CN203825145U (en) | Device for detecting partial discharge of terminal of on-site power cable | |
| CN203178417U (en) | High voltage cable charged inspection system | |
| CN208314124U (en) | A kind of local discharge detection device | |
| CN101694738A (en) | Method and system for electric fire alarm | |
| CN204228893U (en) | A kind of PD On-Line Measurement System | |
| CN111146554A (en) | Bidirectional signal directional cavity coupler | |
| CN103017928A (en) | Ultrasonic power supply temperature detection circuit | |
| CN209014644U (en) | Security alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160318 |