CN202393863U - Fault indicator for power system and probe of fault indicator - Google Patents
Fault indicator for power system and probe of fault indicator Download PDFInfo
- Publication number
- CN202393863U CN202393863U CN2011204770695U CN201120477069U CN202393863U CN 202393863 U CN202393863 U CN 202393863U CN 2011204770695 U CN2011204770695 U CN 2011204770695U CN 201120477069 U CN201120477069 U CN 201120477069U CN 202393863 U CN202393863 U CN 202393863U
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- housing parts
- probe
- electric system
- fault detector
- coil
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Abstract
The utility model discloses a fault indicator for a power system and a probe of the fault indicator. The probe comprises an electromagnetic detection coil, and a first sub shell and a second sub shell which are matched with each other, wherein each of the two sub shells has a semicircular structure; a semicircular coil with a magnetic core is correspondingly arranged in each semicircular structure; and the two coils are connected through a lead to form the electromagnetic detection coil. The probe is convenient to install, and can well prevent the influence of dust so as to ensure the detection precision.
Description
Technical field
The utility model relates to the service equipment of electric system, particularly relates to electric system and uses fault detector.
Background technology
Fault detector is mainly used in the various ring main units of electric system, high-tension switch cabinet and the cable branch box, accurately and reliably the section and the fault type that break down of detection of grid.Fault detector comprises terminal and the probe that is connected with terminal called.Using the cable short circuit earth-fault indicator, is a kind of method of searching cable fault efficiently, is an effective way that improves power distribution network operation level and accident treatment efficient.Its design adopts technology such as electromagnetic induction, photoelectricity conversion, signal optical fibre transmission and Single-chip Controlling to make fault alarm have pin-point accuracy and strong anti-interference ability; Be provided with the teletransmission output port, be fit to distribution network automated.
Existing a kind of probe form detects electric current for adopting the magnetic core coiling, and monitoring accuracy is high, but does not convert photosignal into; Type is heavy; And inconvenience is installed, and owing to structural cause, probe receives the effect of dust in the environment easily and influences precision during use.
Existing another kind of probe form detects electric current for the siliconized plate electromagnetic induction, and it is convenient to install, but monitoring accuracy is not high, and because structural cause, probe receives the effect of dust in the environment easily and influences precision during use.
The utility model content
The technical matters that the utility model will solve is to overcome the deficiency of above-mentioned prior art, and proposes the sonde configuration of a kind of electric system with fault detector, and is easy for installation, and can prevent effect of dust well and guarantee accuracy of detection.
The technical scheme that the utility model solves the problems of the technologies described above employing comprises; The probe of a kind of electric system with fault detector proposed; Comprise first housing parts and second housing parts that cooperatively interact; It is characterized in that: the coil of a band magnetic core all is set in the said housing parts, and the coil of these two band magnetic cores constitutes an electromagnetic detection coil by the lead connection.
Further, said housing parts is injection mo(u)lding, and the coil of each said band magnetic core is fixed in the corresponding said housing parts by sealing.
Further, the coil of said two band magnetic cores is the semicircular ring structure, and said magnetic core is arranged on the end of semicircular ring structure.
Further, said probe also comprises and is arranged on two O-ring seals between the said housing parts.
Further, the two ends of said lead are potted in respectively in the corresponding housing parts; Said housing parts both sides stretch out and form the mating part, and said mating part is provided with the screw that two said housing parts are fixed together.
Further, said housing parts all stretches out in both sides and forms the mating part, and wherein place, the mating part of a side is provided with the box fastener that can outwards rotate.
Further, said second housing parts has semicircle cavity, and said first housing parts has the compound cavity that is made up of rectangular enclosure and semicircular cavities.
Further, accommodate in the rectangular enclosure of said first housing parts one with said electromagnetic detection coil be used the circuit board that provides the electric signal that is used for indicating fault.
Further, said circuit board comprises the electrooptic switching element that is used for said electrical signal conversion is become light signal; Said first housing parts is provided with the light joint that is used to transmit said light signal.
The technical scheme that the utility model solves the problems of the technologies described above employing also comprises, proposes a kind of electric system and uses fault detector, and it comprises aforesaid probe.
Compared with prior art, the electric system of the utility model is with fault detector and probe thereof, and is easy for installation through two annulus housing parts being arranged to cooperatively interact, and can prevent effect of dust well and guarantee accuracy of detection.
Description of drawings
Fig. 1 is the sectional view of the electric system of the utility model with the sonde configuration of fault detector.
Fig. 2 is the electric system of the utility model exploded view of facing with the sonde configuration of fault detector.
Fig. 3 is the three-dimensional exploded view of the electric system of the utility model with the sonde configuration of fault detector.
Embodiment
Do further to detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
Referring to Fig. 1 to Fig. 3, the electric system of the utility model can be passed through to detect electric current and exploration cable short circuit earth fault with the probe of fault detector, and it roughly comprises: first housing parts 1; Circuit board 2; Electromagnetic detection coil 3; Straight burr captive screw 4; O-ring seal 5; Lead 6; Box fastener 7; Second housing parts 8; And light joint 9.
First housing parts 1 has a semicircular ring cavity and a rectangular enclosure cavity, and it has the injection molded housing of plastic cement.
Circuit matches with this electromagnetic detection coil and can provide the electric signal of indicating fault on the circuit board 2, and to have electrooptic switching element on it be light signal with the electrical signal conversion with indicating fault.
Straight burr captive screw 4 can be located in the mating part of circular ring structure both sides and first housing parts 1 and second housing parts 8 are assembled together.
O-ring seal 5 is arranged between two housing parts, is positioned at the periphery of termination of the magnetic core of coil 3a, 3b.
Box fastener 7 is the opposite sides relative with lead 6 that can outwards be arranged on circular ring structure rotationally.
Compared with prior art, the electric system of the utility model comprises with the beneficial effect that fault detector and probe thereof brought: combine conventional current mutual inductor precision, compact design, but weight reduction about 1/3; Dustproof design, sealing strip uses, and can prolong product serviceable life and measuring accuracy time; The application of captive screw and box fastener can realize the hand installation, and the hommization pine does not take off design; The box fastener design is easy to install.
More than, be merely the preferred embodiment of the utility model, be intended to further specify the utility model, but not it is limited.All simple substitution of carrying out according to above-mentioned literal and the disclosed content of accompanying drawing are all at the row of the rights protection scope of this patent.
Claims (10)
1. an electric system is with the probe of fault detector; Comprise first housing parts and second housing parts that cooperatively interact; It is characterized in that: the coil of a band magnetic core all is set in the said housing parts, and the coil of these two band magnetic cores constitutes an electromagnetic detection coil by the lead connection.
2. electric system as claimed in claim 1 is characterized in that with the probe of fault detector said housing parts is injection mo(u)lding, and the coil of each said band magnetic core is fixed in the corresponding said housing parts by sealing.
3. electric system as claimed in claim 1 is characterized in that with the probe of fault detector the coil of said two band magnetic cores is the semicircular ring structure, and said magnetic core is arranged on the end of semicircular ring structure.
4. electric system as claimed in claim 3 is characterized in that with the probe of fault detector, and said probe also comprises and is arranged on two O-ring seals between the said housing parts.
5. electric system as claimed in claim 1 is characterized in that with the probe of fault detector the two ends of said lead are potted in respectively in the corresponding housing parts; Said housing parts both sides stretch out and form the mating part, and said mating part is provided with the screw that two said housing parts are fixed together.
6. electric system as claimed in claim 1 is characterized in that with the probe of fault detector said housing parts all stretches out in both sides and forms the mating part, and wherein place, the mating part of a side is provided with the box fastener that can outwards rotate.
7. electric system as claimed in claim 2 is characterized in that with the probe of fault detector said second housing parts has semicircle cavity, and said first housing parts has the compound cavity that is made up of rectangular enclosure and semicircular cavities.
8. electric system as claimed in claim 7 is characterized in that with the probe of fault detector, accommodates one in the rectangular enclosure of said first housing parts and is used the circuit board that provides the electric signal that is used for indicating fault with said electromagnetic detection coil.
9. electric system as claimed in claim 8 is characterized in that with the probe of fault detector said circuit board comprises the electrooptic switching element that is used for said electrical signal conversion is become light signal; Said first housing parts is provided with the light joint that is used to transmit said light signal.
10. fault detector is used in an electric system, it is characterized in that, comprises like the arbitrary described probe of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204770695U CN202393863U (en) | 2011-11-25 | 2011-11-25 | Fault indicator for power system and probe of fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204770695U CN202393863U (en) | 2011-11-25 | 2011-11-25 | Fault indicator for power system and probe of fault indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393863U true CN202393863U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204770695U Expired - Fee Related CN202393863U (en) | 2011-11-25 | 2011-11-25 | Fault indicator for power system and probe of fault indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393863U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592577A (en) * | 2013-11-26 | 2014-02-19 | 南京航空航天大学 | Integrated directional non-contact cable fault detection positioning sensing device |
| CN105548628A (en) * | 2015-12-24 | 2016-05-04 | 江苏麟派电力科技有限公司 | Production technology of distribution-automation-system high and effective intelligent fault indicator |
| CN108231385A (en) * | 2018-03-22 | 2018-06-29 | 国家海洋技术中心 | The ocean inductively underwater magnet ring of data transmission |
| CN112067859A (en) * | 2020-09-07 | 2020-12-11 | 广东电网有限责任公司 | Distribution lines fault information acquisition and recognition terminal |
| CN112763938A (en) * | 2020-12-24 | 2021-05-07 | 唐新颖 | Residual leakage detection method based on fluxgate |
-
2011
- 2011-11-25 CN CN2011204770695U patent/CN202393863U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592577A (en) * | 2013-11-26 | 2014-02-19 | 南京航空航天大学 | Integrated directional non-contact cable fault detection positioning sensing device |
| CN103592577B (en) * | 2013-11-26 | 2016-05-04 | 南京航空航天大学 | The directed noncontact Cable fault examination of integral type orientation sensing device |
| CN105548628A (en) * | 2015-12-24 | 2016-05-04 | 江苏麟派电力科技有限公司 | Production technology of distribution-automation-system high and effective intelligent fault indicator |
| CN105548628B (en) * | 2015-12-24 | 2018-06-22 | 江苏麟派电力科技股份有限公司 | A kind of production technology of electrical power distribution automatization system high efficiency smart fault detector |
| CN108231385A (en) * | 2018-03-22 | 2018-06-29 | 国家海洋技术中心 | The ocean inductively underwater magnet ring of data transmission |
| CN108231385B (en) * | 2018-03-22 | 2024-05-03 | 国家海洋技术中心 | Ocean inductively coupled data transmission underwater magnetic ring |
| CN112067859A (en) * | 2020-09-07 | 2020-12-11 | 广东电网有限责任公司 | Distribution lines fault information acquisition and recognition terminal |
| CN112067859B (en) * | 2020-09-07 | 2024-01-09 | 广东电网有限责任公司 | Distribution line fault information acquisition and identification terminal |
| CN112763938A (en) * | 2020-12-24 | 2021-05-07 | 唐新颖 | Residual leakage detection method based on fluxgate |
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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: 20120822 Termination date: 20201125 |