CN203117369U - Magnetosonic transducer - Google Patents
Magnetosonic transducer Download PDFInfo
- Publication number
- CN203117369U CN203117369U CN 201320105230 CN201320105230U CN203117369U CN 203117369 U CN203117369 U CN 203117369U CN 201320105230 CN201320105230 CN 201320105230 CN 201320105230 U CN201320105230 U CN 201320105230U CN 203117369 U CN203117369 U CN 203117369U
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- circuit board
- magnetosonic
- signal circuit
- ultrasonic signal
- shell
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Abstract
The utility model relates to the technical field of magnetosonic transducers and detection sensors which are capable of detecting partial discharge ultrasonic signals and magnetic signals simultaneously, in particular to a magnetosonic transducer. The magnetosonic transducer comprises a housing, four cavities are arranged inside the housing, two cavities used for containing battery boxes are arranged on the lower layer of the housing, two cavities which are respectively provided with an ultrasonic signal circuit board and a magnetic signal circuit board are arranged on the upper layer of the housing, one side of the housing is connected with a protective cover, an ultrasonic signal collector is arranged inside the protective cover, and ultrasonic vibrator is arranged inside the ultrasonic signal collector. An output connector, a photovoltaic conversion module and a switch are arranged on the other side of the housing, a magnetic signal receiving antenna is arranged inside the housing, and an extending rod is arranged on the back portion of the housing. The magnetosonic transducer is capable of collecting partial discharge ultrasonic signals and magnetic signals simultaneously, high in detection sensitivity, strong in the capacity of resisting disturbance, low in cost and convenient and reliable to use.
Description
Technical field
The utility model relates to a kind of magnetosonic sensor detecting sensor technical field of surveying shelf depreciation ultrasonic signal and magnetic signal simultaneously, especially relates to a kind of magnetosonic sensor.
Background technology
Shelf depreciation is a kind of high-field effect in the insulating medium, long-term shelf depreciation effect meeting cause insulating medium aging, puncture, when serious even may cause the blast of large scale electrical power unit, bring great loss for the national people.Supercritical ultrasonics technology and magnetic signal detection method are the important method of power equipment Partial Discharge Detection, because the electric loop of ultrasonic sensor and power equipment is without any contacting, be not subjected to the disturbing effect of electric aspect, can position discharge position, advantage such as can chargedly detect it is 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 shelf depreciation takes place when, near the discharge position electromagnetic field can be subjected to corresponding influence, changes effectively to detect the shelf depreciation of high voltage equipment by near the electromagnetic field the detection high voltage electric equipment.
Put detection range in office, ultrasound wave is widely used in on-the-spot the detection because not influenced by on-the-spot electrical equipment, but existing ultrasound partial discharge sensor only possesses the Ultrasonic Detection function separately, when running into the more serious scene of some noise ratio, simple ultrasound examination can't be judged contacting of detected signal and on-the-spot electrical equipment effectively accurately, some on-the-spot electromagnetic interference (EMI) phenomenon is very serious simultaneously, common electromagnetic wave class sensor can't be worked at all, or because sensor is output as 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 to avoid prior art poor accuracy, insecure defective that a kind of magnetosonic sensor is provided, and it can gather shelf depreciation ultrasonic signal and magnetic signal simultaneously, thereby effectively solves the defective that exists in the prior art.
For achieving the above object, the technical scheme that the utility model is taked is: described a kind of magnetosonic sensor, be characterized in comprising shell, enclosure is provided with four cavitys, lower floor is two cavitys that are used for placing battery case, and two cavitys in upper strata are respectively arranged with ultrasonic signal circuit board and magnetic signal circuit board, and shell one side links to each other with protective cover, the ultrasonic signal gatherer is installed in the protective cover, and ultrasonic vibrator is arranged at the inside of ultrasonic signal gatherer; The shell opposite side is provided with out splice going splice, photoelectric conversion module and switch, the setting of magnetic signal receiving antenna in the enclosure, the shell rear portion is provided with extension rod.
Described shell is metal shell.Shell plays seal protection, and shell is protected inner components and parts, shields other signals simultaneously, does not influence the transmission of ultrasonic signal and electromagnetic signal.
Correspondence is provided with threaded hole on described shell and ultrasonic signal circuit board and the magnetic signal circuit board, and ultrasonic signal circuit board and magnetic signal circuit board are fixedly mounted on the shell by the copper post.
The output terminal of described ultrasonic signal circuit board and magnetic signal circuit board and photoelectric conversion module and out splice going splice be downlink connection mutually.
The left and right sides of described switch is respectively arranged with light emitting diode, and two light emitting diodes are welded on respectively on ultrasonic signal circuit board and the magnetic signal circuit board.Be used to indicate the ultrasonic signal circuit board and whether the magnetic signal circuit board gives birth to normal work.
Described ultrasonic signal gatherer is horn shape, the signal that enters the ultrasonic signal gatherer all can be focused on the ultrasonic vibrator inside of central authorities.
Described magnetic signal receiving antenna outer setting has plastic casing, and the equal fillet in plastic casing front end corner is handled.
The beneficial effects of the utility model are: described a kind of magnetosonic sensor, its ultrasonic signal receiver focuses on ultrasonic vibrator with the ultrasonic signal on a large scale, by ultrasonic vibrator acoustical signal is converted to electric signal and directly passes to circuit board, various processing such as amplification filtering by circuit board, by photoelectric conversion module electric signal is converted to light signal output at last, the magnetic signal receiving antenna of sensor front end receives field signal, then magnetic signal is converted to electric signal, with the noise reduction of electric signal by circuit board, amplify, filtering is handled, and finally by crossing photoelectric conversion module electric signal is converted to light signal output.The design of extension rod is for convenience detach, and insulating bar can guarantee the safe distance between testing staff and the high voltage electric equipment, makes things convenient for that the testing staff does not reach at hand or dangerous to use when regional.It can gather shelf depreciation ultrasonic signal and field signal simultaneously in the magnetosonic sensor of one, the detection sensitivity height, antijamming capability is strong, cost is low, easy to use and reliable.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model structural principle synoptic diagram;
Fig. 2 is the plan structure synoptic diagram of the utility model Fig. 1.
Among the figure: 1. shell, 2. protective cover, 3. ultrasonic signal gatherer, 4. ultrasonic signal circuit board, 5. magnetic signal circuit board; 6. ultrasonic vibrator, 7. magnetic signal receiving antenna, 8. out splice going splice, 9. photoelectric conversion module; 10. switch, 11. light emitting diodes, 12. battery cases, 13. extension rods.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not for limiting scope of the present utility model.
As shown in Figure 1, described a kind of magnetosonic sensor, be characterized in comprising shell 1, shell 1 inside is provided with four cavitys, lower floor is two cavitys that are used for placing battery 12 boxes, and two cavitys in upper strata are respectively arranged with ultrasonic signal circuit board 4 and magnetic signal circuit board 5, and shell 1 one sides link to each other with protective cover 2, ultrasonic signal gatherer 3 is installed in the protective cover 2, and ultrasonic vibrator 6 is arranged at the inside of ultrasonic signal gatherer 3; Shell 1 opposite side is provided with out splice going splice 8, photoelectric conversion module 9 and switch 10, and magnetic signal receiving antenna 7 is arranged in the shell 1, and shell 1 rear portion is provided with extension rod 13.
Further, described shell 1 is metal shell.Shell plays seal protection, and shell is protected inner components and parts, shields other signals simultaneously, does not influence the transmission of ultrasonic signal and electromagnetic signal.
Further, correspondence is provided with threaded hole on described shell and ultrasonic signal circuit board 4 and the magnetic signal circuit board 5, and ultrasonic signal circuit board 4 and magnetic signal circuit board 5 are fixedly mounted on the shell by the copper post.
Further, the output terminal of described ultrasonic signal circuit board 4 and magnetic signal circuit board 5 and photoelectric conversion module 9 and out splice going splice 8 downlink connection mutually.
Further, the left and right sides of described switch 10 is respectively arranged with 11, two light emitting diodes of light emitting diode and is welded on respectively on ultrasonic signal circuit board 4 and the magnetic signal circuit board 5.Be used to indicate ultrasonic signal circuit board 4 and whether magnetic signal circuit board 5 gives birth to normal work.
Further, described ultrasonic signal gatherer 3 is horn shape, the signal that enters the ultrasonic signal gatherer all can be focused on the ultrasonic vibrator inside of central authorities.
Further, described magnetic signal receiving antenna 7 outer setting have plastic casing, and the equal fillet in plastic casing front end corner is handled.
Described a kind of magnetosonic sensor, it collects ultrasonic signal by trumpet-shaped ultrasonic signal gatherer, can strengthen the receiving area of ultrasonic signal, can collect ultrasonic signal in larger scope, by built-in high-precision amplification filtering circuit signal is handled, can effectively remove interference noise, effectively collect the ultrasonic signal that shelf depreciation produces; Field signal is put in the office that sensor uses built-in magnetic signal receiving antenna to receive in the space, can effectively avoid on-the-spot highfield disturbs, by built-in high-precision amplification filtering circuit signal is handled, can effectively be removed undesired signal, obtain accurate office discharge signal.
Described a kind of magnetosonic sensor, its ultrasonic signal receiver focuses on ultrasonic vibrator with the ultrasonic signal on a large scale, by ultrasonic vibrator acoustical signal is converted to electric signal and directly passes to circuit board, various processing such as amplification filtering by circuit board, by photoelectric conversion module electric signal is converted to light signal output at last, the magnetic signal receiving antenna of sensor front end receives field signal, then magnetic signal is converted to electric signal, with the noise reduction of electric signal by circuit board, amplify, filtering is handled, and finally by crossing photoelectric conversion module electric signal is converted to light signal output.The design of extension rod is for convenience detach, and insulating bar can guarantee the safe distance between testing staff and the high voltage electric equipment, makes things convenient for that the testing staff does not reach at hand or dangerous to use when regional.It can gather shelf depreciation ultrasonic signal and field signal simultaneously in the magnetosonic sensor of one, the detection sensitivity height, antijamming capability is strong, cost is low, easy to use and reliable.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. magnetosonic sensor, it is characterized in that comprising shell, enclosure is provided with four cavitys, lower floor is two cavitys that are used for placing battery case, two cavitys in upper strata are respectively arranged with ultrasonic signal circuit board and magnetic signal circuit board, shell one side links to each other with protective cover, and the ultrasonic signal gatherer is installed in the protective cover, and ultrasonic vibrator is arranged at the inside of ultrasonic signal gatherer; The shell opposite side is provided with out splice going splice, photoelectric conversion module and switch, the setting of magnetic signal receiving antenna in the enclosure, the shell rear portion is provided with extension rod.
2. a kind of magnetosonic sensor as claimed in claim 1, it is characterized in that: correspondence is provided with threaded hole on described shell and ultrasonic signal circuit board and the magnetic signal circuit board, and ultrasonic signal circuit board and magnetic signal circuit board are fixedly mounted on the shell by the copper post.
3. a kind of magnetosonic sensor as claimed in claim 1 or 2, it is characterized in that: described shell is metal shell.
4. a kind of magnetosonic sensor as claimed in claim 1 or 2 is characterized in that: the output terminal of described ultrasonic signal circuit board and magnetic signal circuit board and photoelectric conversion module and out splice going splice be downlink connection mutually.
5. a kind of magnetosonic sensor as claimed in claim 1, it is characterized in that: the left and right sides of described switch is respectively arranged with light emitting diode, and two light emitting diodes are welded on respectively on ultrasonic signal circuit board and the magnetic signal circuit board.
6. a kind of magnetosonic sensor as claimed in claim 1, it is characterized in that: described ultrasonic signal gatherer is horn shape.
7. a kind of magnetosonic sensor as claimed in claim 1, it is characterized in that: described magnetic signal receiving antenna outer setting has plastic casing, and the equal fillet in plastic casing front end corner is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105230 CN203117369U (en) | 2013-03-08 | 2013-03-08 | Magnetosonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105230 CN203117369U (en) | 2013-03-08 | 2013-03-08 | Magnetosonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117369U true CN203117369U (en) | 2013-08-07 |
Family
ID=48897704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320105230 Expired - Fee Related CN203117369U (en) | 2013-03-08 | 2013-03-08 | Magnetosonic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203117369U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926513A (en) * | 2014-04-30 | 2014-07-16 | 国网河南省电力公司商丘供电公司 | Portable ultrasonic online detection partial discharge diagnostic device |
| CN107015216A (en) * | 2016-01-28 | 2017-08-04 | 江苏雷动智能制造有限公司 | A kind of ultrasonic ranging module |
| CN111443267A (en) * | 2020-05-29 | 2020-07-24 | 国网陕西省电力公司电力科学研究院 | Enhanced type 10kV overhead insulated wire partial discharge inspection device and inspection method |
-
2013
- 2013-03-08 CN CN 201320105230 patent/CN203117369U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926513A (en) * | 2014-04-30 | 2014-07-16 | 国网河南省电力公司商丘供电公司 | Portable ultrasonic online detection partial discharge diagnostic device |
| CN103926513B (en) * | 2014-04-30 | 2016-08-17 | 国家电网公司 | A kind of portable supersonic on-line checking shelf depreciation diagnostic device |
| CN107015216A (en) * | 2016-01-28 | 2017-08-04 | 江苏雷动智能制造有限公司 | A kind of ultrasonic ranging module |
| CN111443267A (en) * | 2020-05-29 | 2020-07-24 | 国网陕西省电力公司电力科学研究院 | Enhanced type 10kV overhead insulated wire partial discharge inspection device and inspection method |
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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: 20130807 Termination date: 20160308 |