CN105527479B - Self-check type electronic type voltage transformer - Google Patents

Self-check type electronic type voltage transformer Download PDF

Info

Publication number
CN105527479B
CN105527479B CN201610114416.5A CN201610114416A CN105527479B CN 105527479 B CN105527479 B CN 105527479B CN 201610114416 A CN201610114416 A CN 201610114416A CN 105527479 B CN105527479 B CN 105527479B
Authority
CN
China
Prior art keywords
equipment
data
voltage transformer
distal housing
skeleton
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.)
Active
Application number
CN201610114416.5A
Other languages
Chinese (zh)
Other versions
CN105527479A (en
Inventor
李本元
刘红兵
张文志
刘勤明
朱琳
张淑强
周燕
王玉征
冯军
刘光磊
刘玉霞
滕淑青
孙永海
包霞
黄国丽
武英
李培霞
徐同娜
刘汝妹
黄润丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Baisheng Precision Machinery Co., Ltd.
Original Assignee
State Grid Shandong Electric Power Co Yishui County Power Supply Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Shandong Electric Power Co Yishui County Power Supply Co filed Critical State Grid Shandong Electric Power Co Yishui County Power Supply Co
Priority to CN201610114416.5A priority Critical patent/CN105527479B/en
Publication of CN105527479A publication Critical patent/CN105527479A/en
Application granted granted Critical
Publication of CN105527479B publication Critical patent/CN105527479B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/18Investigating the presence of flaws defects or foreign matter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

The present invention relates to a kind of self-check type electronic type voltage transformer, described voltage transformer includes electronic type voltage transformer main body, X-ray production apparatus and ARM11 processor, described X-ray production apparatus is for shooting to obtain corresponding X-ray digital image to the shell of described electronic type voltage transformer main body, and analysis of based on X-ray digital image determines the position of inside existing defects of shell of described electronic type voltage transformer main body, described ARM11 processor receives the position of described existing defects and is sent to display device to show.By means of the invention it is possible to while optimizing electronic type voltage transformer structure, it is achieved the intelligent self-inspection to electronic type voltage transformer.

Description

Self-check type electronic type voltage transformer
The present invention is Application No. 201510782586.6, filing date November 16 in 2015 day, The divisional application of the patent of bright entitled " self-check type electronic type voltage transformer ".
Technical field
The present invention relates to power domain, particularly relate to a kind of self-check type electronic type voltage transformer.
Background technology
Electronic mutual inductor, by carrying out AC sampling to the voltage of input, current signal, then will adopt Sample value is connected with digital quantity input secondary meter by the transmission system such as cable, optical fiber, and digital quantity inputs Secondary meter carries out computing to the sampled value of voltage, electric current, can obtain voltage effective value, electric current has Valid value, fundamental voltage, fundamental current, harmonic voltage, harmonic current, active power, fundamental power, The parameters such as harmonic power.
But, there is unreasonable structure in electronic type voltage transformer of the prior art, cost performance is the highest, Cannot be commonly used, and, also cannot realize the secondary device i.e. internal flaw of remote equipment and The self-inspection of External Defect.
Therefore, the present invention proposes a kind of self-check type electronic type voltage transformer, optimizes in prior art Electronic type voltage transformer, improve electronic type voltage transformer cost performance, more it is essential that collection Become the detection equipment of the secondary device i.e. internal flaw of remote equipment and External Defect, improve fault Detection efficiency.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of self-check type electronic type Voltage transformer, first, carries out de-redundancy to the structure of electronic type voltage transformer of the prior art Change, while products quality guarantee, simplify the structure of equipment;Secondly, integrated ultraviolet imager with X-ray production apparatus realizes the internal flaw self-inspection to remote equipment, and it is right that integrated various image processing equipments realize The External Defect self-inspection of remote equipment.
According to an aspect of the present invention, it is provided that a kind of self-check type electronic type voltage transformer, described electricity Pressure transformer includes electronic type voltage transformer main body, X-ray production apparatus and ARM11 processor, described X-ray production apparatus is corresponding for shooting the shell of described electronic type voltage transformer main body to obtain X-ray digital image, and analysis based on X-ray digital image determines described electronic type voltage mutual inductance The position of the inside existing defects of the shell of device main body, described ARM11 processor receives described existence The position of defect is also sent to display device to show.
More specifically, in described self-check type electronic type voltage transformer, including: ultraviolet imager, For detecting the discharge information of distal housing, to determine the paradoxical discharge position of distal housing;X-ray Machine, is arranged on the opposite of distal housing, is connected with described ultraviolet imager, for receiving far During the paradoxical discharge position of end housing, adaptively the paradoxical discharge position of distal housing is shot To obtain corresponding X-ray digital image, and the X-ray digital image obtained is analyzed, with Determine the position of the internal existing defects of distal housing;Electronic type voltage transformer main body, including scene outside Shell, distal housing, high voltage bus, air core coil, ironcore choke, signal conditioning circuit, modulus turn Change circuit, data receiver, data transmitting equipment, electro-optic conversion equipment, downlink optical fiber, once Power supply, secondary power supply, uplink optical fibers, photoelectric conversion device, CPLD chip, ARM11 processor, Liquid crystal display and mobile communication equipment;On-the-spot shell, be used for accommodating high voltage bus, air core coil, Ironcore choke, signal conditioning circuit, analog to digital conversion circuit, data receiver, data transmitting equipment, Electro-optic conversion equipment and primary power source;Distal housing, be used for accommodating secondary power supply, photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment;High-definition camera sets It is standby, for the surface of distal housing is shot, to obtain corresponding surface image;Gauss denoising Equipment, is connected with described high-definition camera equipment, for carrying out at Gauss denoising receiving surface image Reason, to obtain denoising image;Smoothing processing equipment, is connected, for right with described Gauss denoising equipment The denoising image received is smoothed, to obtain smoothed image;Gray processing processing equipment, with Described smoothing processing equipment connects, for the smoothed image received being carried out gray processing process, to obtain Obtain gray level image;Column border detection equipment, is connected with described gray processing processing equipment, for institute State gray level image, calculate the number of each column black picture element, by the number of black picture element more than or equal to picture The row of prime number threshold value are designated as edge columns;Row rim detection equipment, is connected with described gray processing processing equipment, For to described gray level image, calculating the number of often row black picture element, by big for the number of black picture element It is designated as edge lines in the row equal to threshold number of pixels;Skeleton splitting equipment, sets with the detection of described column border Standby and described row rim detection equipment connects respectively, and region edge columns and edge lines interweaved is as far End housing skeleton domain of the existence, and from described gray level image, be partitioned into described distal housing skeleton deposit In region to export as skeleton subgraph, so that skeleton subgraph is punished from the background of gray level image Open;Defect analysis equipment, is connected with described skeleton splitting equipment, by described skeleton subgraph with various Defect image feature is mated, and the successful kind of output matching is as skeleton defect kind;SD deposits Card storage, is connected respectively with column border detection equipment, row rim detection equipment and defect analysis equipment, uses In prestoring threshold number of pixels and various defect image feature;High voltage bus, through air core coil and Ironcore choke;Air core coil, is used as the sensing head of protection passage;Ironcore choke, as Measurement channel Sensing head;Signal conditioning circuit, the signal of receiving core coil output, process son electricity including filtering Road, phase shift process electronic circuit and amplification processes electronic circuit, are used for the signal to ironcore choke output successively Be filtered, phase shift and amplification process, and export the signal after process;Analog to digital conversion circuit, with letter Number modulate circuit connects, for the signal that signal conditioning circuit exports carries out the analog-to-digital conversion of 8; Data receiver, is connected with analog to digital conversion circuit by SPI interface, carries out the data received Combination and CRC check;Data after verification are sent to by data transmitting equipment by SPI interface Electro-optic conversion equipment, the data after described verification are parallel mode;Electro-optic conversion equipment, after verifying Data be transmitted by downlink optical fiber;Photoelectric conversion device, receives described school by uplink optical fibers Data after testing;CPLD chip, it is achieved receive the data after the verification of multidiameter delay simultaneously, go forward side by side Row parallel-serial conversion, to obtain the data after the verification of multi-path serial;ARM11 processor, it is achieved with The EBI of CPLD chip connects and mounts mobile communication equipment;Also by mobile communication equipment with X-ray production apparatus and defect analysis equipment connect the position to receive the internal existing defects of distal housing and skeleton Defect kind;Data after the verification of multi-path serial are sent to the measurement of far-end by mobile communication equipment At server;Primary power source, for signal conditioning circuit, analog to digital conversion circuit, data receiver, Data transmitting equipment and electro-optic conversion equipment provide supply of electric power;Secondary power supply, for photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment provide supply of electric power; Liquid crystal display, is connected with ARM11 processor, and in real time, display distal housing is internal exists The position of defect and skeleton defect kind, be additionally operable to the data after the verification of real-time display multiway serial; Wherein, be sent to far-end measures after the data at server are proportional to analog to digital conversion circuit analog-to-digital conversion Corresponding data.
More specifically, in described self-check type electronic type voltage transformer: X-ray production apparatus and defect analysis Equipment is all embedded with mobile communication interface.
More specifically, in described self-check type electronic type voltage transformer: ultraviolet imager and X-ray Machine is integrated on one piece of surface-mounted integrated circuit.
More specifically, in described self-check type electronic type voltage transformer: ultraviolet imager is arranged on far The opposite of end housing.
More specifically, in described self-check type electronic type voltage transformer: high-definition camera equipment is arranged on The opposite of distal housing.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the self-check type electronic type voltage transformer of the present invention.
Reference: 1 electronic type voltage transformer main body;2X X-ray machine X;3ARM11 processor
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the self-check type electronic type voltage transformer of the present invention is entered Row describes in detail.
Along with developing rapidly of photoelectron technology, many science and technology developed countries have turned to sight and have utilized light Sensing technology and electronics method carry out the electronic current mutual inductor of Development of Novel, are called for short photoelectric current Transformer.The standard of International Power association distributing electronic formula voltage transformer.Electronic mutual inductor Implication, except including the transformer of photo-electric, also includes other various electricity utilizing Electronic Testing principle Pressure, current sensor.
But, the structural redundancy of electronic type voltage transformer of the prior art is high, involves great expense, For the power supply management department that high-volume uses voltage transformer, cost performance is the highest, meanwhile, existing Electronic type voltage transformer in technology lacks the on-site parameters detection equipment of some necessity, causes scene Data transmission poor real, easily delays the process time of field failure.
To this end, the present invention proposes a kind of self-check type electronic type voltage transformer, first optimize existing skill The structure of the electronic type voltage transformer in art, improves its cost performance, additionally add ultraviolet imager, X-ray production apparatus and various high-precision image processing equipment realize the internal flaw to remote equipment and outside lacks Self-inspection while Xianing.
Fig. 1 is the block diagram of the self-check type electronic type voltage transformer of the present invention, and described voltage is mutual Sensor includes electronic type voltage transformer main body, X-ray production apparatus and ARM11 processor, and described X penetrates Line machine is penetrated for the shell of described electronic type voltage transformer main body is shot obtain corresponding X Line digital picture, and analysis based on X-ray digital image determines described electronic type voltage transformer master The position of the inside existing defects of the shell of body, described ARM11 processor receives described existing defects Position and be sent to display device to show.
Then, the structure of the self-check type electronic type voltage transformer of the present invention is specifically described.
Described voltage transformer includes: ultraviolet imager, for detecting the discharge information of distal housing, To determine the paradoxical discharge position of distal housing.
Described voltage transformer includes: X-ray production apparatus, is arranged on the opposite of distal housing, with described Ultraviolet imager connects, for when receiving the paradoxical discharge position of distal housing, the most right The paradoxical discharge position of distal housing carries out shooting to obtain corresponding X-ray digital image, and to obtaining To X-ray digital image be analyzed, to determine the position of the internal existing defects of distal housing.
Described voltage transformer includes: electronic type voltage transformer main body, including on-the-spot shell, far-end Shell, high voltage bus, air core coil, ironcore choke, signal conditioning circuit, analog to digital conversion circuit, Data receiver, data transmitting equipment, electro-optic conversion equipment, downlink optical fiber, primary power source, two Secondary source, uplink optical fibers, photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal Show equipment and mobile communication equipment;On-the-spot shell, is used for accommodating high voltage bus, air core coil, iron core Coil, signal conditioning circuit, analog to digital conversion circuit, data receiver, data transmitting equipment, electricity Optical switching equipment and primary power source;Distal housing, be used for accommodating secondary power supply, photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment.
Described voltage transformer includes: high-definition camera equipment, for clapping the surface of distal housing Take the photograph, to obtain corresponding surface image.
Described voltage transformer includes: Gauss denoising equipment, is connected with described high-definition camera equipment, uses In carrying out Gauss denoising, to obtain denoising image to receiving surface image;Smoothing processing equipment, It is connected with described Gauss denoising equipment, for the denoising image received being smoothed, to obtain Obtain smoothed image;Gray processing processing equipment, is connected with described smoothing processing equipment, for receiving Smoothed image carry out gray processing process, to obtain gray level image.
Described voltage transformer includes: column border detection equipment, is connected with described gray processing processing equipment, For to described gray level image, calculating the number of each column black picture element, by big for the number of black picture element It is designated as edge columns in the row equal to threshold number of pixels;Row rim detection equipment, processes with described gray processing Equipment connects, and for described gray level image, calculates the number of often row black picture element, by black picture The number of element is designated as edge lines more than or equal to the row of threshold number of pixels.
Described voltage transformer includes: skeleton splitting equipment, with described column border detection equipment and described Row rim detection equipment connects respectively, and region edge columns and edge lines interweaved is as distal housing bone Frame domain of the existence, and be partitioned into from described gray level image described distal housing skeleton domain of the existence with Export as skeleton subgraph, so that skeleton subgraph is separated at the background of gray level image.
Described voltage transformer includes: defect analysis equipment, is connected with described skeleton splitting equipment, will Described skeleton subgraph mates with various defect image features, output matching successful kind conduct Skeleton defect kind.
Described voltage transformer includes: SD storage card, detects equipment, row rim detection with column border Equipment and defect analysis equipment connect respectively, are used for prestoring threshold number of pixels and various defect image Feature.
Described voltage transformer includes: high voltage bus, through air core coil and ironcore choke;Tubular wire Circle, is used as the sensing head of protection passage;Ironcore choke, as the sensing head of Measurement channel;Signal is adjusted Reason circuit, the signal of receiving core coil output, process electronic circuit, phase shift process son electricity including filtering Road and amplification process electronic circuit, for the signal of ironcore choke output is filtered successively, phase shift and Amplification processes, and exports the signal after process;Analog to digital conversion circuit, is connected with signal conditioning circuit, Signal for being exported by signal conditioning circuit carries out the analog-to-digital conversion of 8.
Described voltage transformer includes: data receiver, by SPI interface and analog to digital conversion circuit Connect, the data received are combined and CRC check;Data transmitting equipment, passes through SPI Data after verification are sent to electro-optic conversion equipment by interface, and the data after described verification are parallel side Formula;Data after verification are transmitted by electro-optic conversion equipment by downlink optical fiber;Opto-electronic conversion sets Standby, receive the data after described verification by uplink optical fibers.
Described voltage transformer includes: CPLD chip, it is achieved after receiving the verification of multidiameter delay simultaneously Data, and carry out parallel-serial conversion, to obtain the data after the verification of multi-path serial.
Described voltage transformer includes: ARM11 processor, it is achieved connect with the bus of CPLD chip Mouth connects and mounts mobile communication equipment;Also by mobile communication equipment and X-ray production apparatus and defect analysis Equipment connects the position to receive the internal existing defects of distal housing and skeleton defect kind.
Described voltage transformer includes: mobile communication equipment, the data after the verification of multi-path serial is sent out Deliver at the measurement server of far-end;Primary power source, for signal conditioning circuit, analog to digital conversion circuit, Data receiver, data transmitting equipment and electro-optic conversion equipment provide supply of electric power;Secondary power supply, For photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication Equipment provides supply of electric power.
Described voltage transformer includes: liquid crystal display, is connected with ARM11 processor, is used for Show position and the skeleton defect kind of the internal existing defects of distal housing in real time, be additionally operable to show in real time Data after the verification of multi-path serial.
Wherein, the data at server of measuring being sent to far-end are proportional to analog to digital conversion circuit modulus and turn Corresponding data after changing.
Alternatively, in described voltage transformer: X-ray production apparatus and defect analysis equipment are all embedded with shifting Dynamic communication interface;Ultraviolet imager and X-ray production apparatus are integrated on one piece of surface-mounted integrated circuit;Ultraviolet imagery Instrument is arranged on the opposite of distal housing;And high-definition camera equipment may be disposed at the right of distal housing Facade.
It addition, current transformer, its feature utilizing transformer primary, secondary current proportional is made. Its operation principle, equivalent circuit are also identical with general transformer, and simply its primary side winding is connected on tested In circuit, and the number of turn is little;Vice-side winding connects the low-impedance load such as ammeter, relay current coil, Near short circuit.Primary current (the most tested electric current) and secondary current depend on the load of test line, And it is unrelated with the load of the secondary of current transformer.Owing to secondary is close to short circuit, so former and deputy limit is electric Pressure U1 and the least, exciting current I0 is the least.When current transformer runs, secondary does not allows out Road.Because once opening a way, primary current all becomes exciting current, makes magnetic flux and secondary voltage super Cross normal value and jeopardize the person and equipment safety.Therefore, current transformer secondary loop mustn't connect molten Disconnected device, also just pulls down the equipment such as ammeter, relay not in when running without bypass.Electric current is mutual The mode of connection of sensor is determined by the service requirement of its connect load.The most frequently used mode of connection is single Phase, three-phase star and incomplete star.
Use the self-check type electronic type voltage transformer of the present invention, for electronic type voltage in prior art Transformer costs dearly and the technical problem of remote equipment shortage defect self-checking equipment, by electronics The structure of modification of formula voltage transformer, simplifies the internal structure of original electronic type voltage transformer, improves Its cost performance;More it is essential that collect Inner Defect Testing equipment and the External Defect of paired remote equipment Detection equipment, thus improve the intelligent level of electronic type voltage transformer.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-mentioned enforcement Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from Under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above to the technology of the present invention Scheme makes many possible variations and modification, or is revised as the Equivalent embodiments of equivalent variations.Therefore, Every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above example Any simple modification, equivalent variations and the modification done, all still falls within technical solution of the present invention protection In the range of.

Claims (1)

1. a self-check type electronic type voltage transformer, described voltage transformer includes electronic type voltage Current transformer body, X-ray production apparatus and ARM11 processor, described X-ray production apparatus is for described electronics The shell of formula voltage transformer main body carries out shooting to obtain corresponding X-ray digital image, and based on The analysis of X-ray digital image determines that the inside of the shell of described electronic type voltage transformer main body exists The position of defect, described ARM11 processor receives the position of described existing defects and is sent to display Equipment is to show;
It is characterized in that, described voltage transformer includes:
Ultraviolet imager, for detecting the discharge information of distal housing, to determine the exception of distal housing Discharge position;
X-ray production apparatus, is arranged on the opposite of distal housing, is connected with described ultraviolet imager, is used for When receiving the paradoxical discharge position of distal housing, the paradoxical discharge position to distal housing adaptively Put and carry out shooting to obtain corresponding X-ray digital image, and the X-ray digital image obtained is entered Row is analyzed, to determine the position of the internal existing defects of distal housing;
Electronic type voltage transformer main body, including on-the-spot shell, distal housing, high voltage bus, hollow Coil, ironcore choke, signal conditioning circuit, analog to digital conversion circuit, data receiver, data are sent out Send equipment, electro-optic conversion equipment, downlink optical fiber, primary power source, secondary power supply, uplink optical fibers, light Electricity conversion equipment, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment;
On-the-spot shell, be used for accommodating high voltage bus, air core coil, ironcore choke, signal conditioning circuit, Analog to digital conversion circuit, data receiver, data transmitting equipment, electro-optic conversion equipment and primary power source;
Distal housing, is used for accommodating secondary power supply, photoelectric conversion device, CPLD chip, ARM11 Processor, liquid crystal display and mobile communication equipment;
High-definition camera equipment, for shooting the surface of distal housing, to obtain corresponding surface Image;
Gauss denoising equipment, is connected with described high-definition camera equipment, for entering receiving surface image Row Gauss denoising, to obtain denoising image;
Smoothing processing equipment, is connected with described Gauss denoising equipment, for the denoising image received It is smoothed, to obtain smoothed image;
Gray processing processing equipment, is connected with described smoothing processing equipment, for the smooth figure received As carrying out gray processing process, to obtain gray level image;
Column border detection equipment, is connected with described gray processing processing equipment, for described gray processing figure Picture, calculates the number of each column black picture element, by the number of black picture element more than or equal to threshold number of pixels Row are designated as edge columns;
Row rim detection equipment, is connected with described gray processing processing equipment, for described gray processing figure Picture, calculates the number of often row black picture element, by the number of black picture element more than or equal to threshold number of pixels Row is designated as edge lines;
Skeleton splitting equipment, connects respectively with described column border detection equipment and described row rim detection equipment Connect, using the region of edge columns and edge lines intertexture as distal housing skeleton domain of the existence, and from described Gray level image is partitioned into described distal housing skeleton domain of the existence using as skeleton subgraph export, So that skeleton subgraph is separated at the background of gray level image;
Defect analysis equipment, is connected with described skeleton splitting equipment, by described skeleton subgraph with various Defect image feature is mated, and the successful kind of output matching is as skeleton defect kind;
SD storage card, divides with column border detection equipment, row rim detection equipment and defect analysis equipment Do not connect, be used for prestoring threshold number of pixels and various defect image feature;
High voltage bus, through air core coil and ironcore choke;
Air core coil, is used as the sensing head of protection passage;
Ironcore choke, as the sensing head of Measurement channel;
Signal conditioning circuit, the signal of receiving core coil output, process electronic circuit, shifting including filtering Phase processor electronic circuit and amplification process electronic circuit, for filtering the signal of ironcore choke output successively Ripple, phase shift and amplification process, and export the signal after process;
Analog to digital conversion circuit, is connected with signal conditioning circuit, for the letter exported by signal conditioning circuit Number carry out the analog-to-digital conversion of 8;
Data receiver, is connected with analog to digital conversion circuit by SPI interface, to the data received It is combined and CRC check;
Data after verification are sent to electro-optic conversion equipment by SPI interface by data transmitting equipment, Data after described verification are parallel mode;
Data after verification are transmitted by electro-optic conversion equipment by downlink optical fiber;
Photoelectric conversion device, receives the data after described verification by uplink optical fibers;
CPLD chip, it is achieved receive the data after the verification of multidiameter delay simultaneously, and carry out and go here and there turning Change, to obtain the data after the verification of multi-path serial;
ARM11 processor, it is achieved be connected with the EBI of CPLD chip and mount mobile communication Equipment;It is connected to receive outside far-end with X-ray production apparatus and defect analysis equipment also by mobile communication equipment The position of the internal existing defects of shell and skeleton defect kind;
Data after the verification of multi-path serial are sent to the measurement server of far-end by mobile communication equipment Place;
Primary power source, sends out for signal conditioning circuit, analog to digital conversion circuit, data receiver, data Equipment and electro-optic conversion equipment is sent to provide supply of electric power;
Secondary power supply, for photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display Equipment and mobile communication equipment provide supply of electric power;
Liquid crystal display, is connected with ARM11 processor, inside display distal housing in real time The position of existing defects and skeleton defect kind, be additionally operable to the number after the verification of real-time display multiway serial According to;
Wherein, the data at server of measuring being sent to far-end are proportional to analog to digital conversion circuit modulus and turn Corresponding data after changing;
Ultraviolet imager is arranged on the opposite of distal housing;
High-definition camera equipment is arranged on the opposite of distal housing.
CN201610114416.5A 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer Active CN105527479B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610114416.5A CN105527479B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610114416.5A CN105527479B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer
CN201510782586.6A CN105242092B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510782586.6A Division CN105242092B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer

Publications (2)

Publication Number Publication Date
CN105527479A CN105527479A (en) 2016-04-27
CN105527479B true CN105527479B (en) 2016-09-07

Family

ID=55039809

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610114416.5A Active CN105527479B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer
CN201510782586.6A Expired - Fee Related CN105242092B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510782586.6A Expired - Fee Related CN105242092B (en) 2015-11-16 2015-11-16 Self-check type electronic type voltage transformer

Country Status (1)

Country Link
CN (2) CN105527479B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105301328B (en) * 2015-11-16 2016-06-08 国网山东省电力公司定陶县供电公司 A kind of self-check type electronic type voltage transformer
KR101708736B1 (en) * 2016-07-29 2017-02-21 주식회사 코본테크 Current detection device with PCB multi-layer core structure
CN108982552A (en) * 2017-06-01 2018-12-11 群创光电股份有限公司 Optical detection device and its operating method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003232829A (en) * 2002-02-07 2003-08-22 Mitsubishi Electric Corp Partial discharge detection device of winding equipment
JP2009016317A (en) * 2007-07-09 2009-01-22 Kobe Steel Ltd Monitoring system for electric facilities
CN102680868A (en) * 2012-05-23 2012-09-19 重庆电力设计院 Ultraviolet discharge detector and method
CN102928742A (en) * 2012-11-22 2013-02-13 重庆市电力公司检修分公司 Infrared image automatic fault identifying method for high-voltage equipment
CN103123382A (en) * 2013-01-31 2013-05-29 云南电力试验研究院(集团)有限公司电力研究院 Photoelectric combined detection method aiming at mutual inductor of distribution network
CN103163801A (en) * 2011-12-15 2013-06-19 西安真核医疗科技有限公司 Circuit control system of X-ray inspection instrument

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901072B (en) * 2014-04-21 2017-01-11 国网安徽省电力公司淮南供电公司 Method for diagnosing equipment overheating defects by utilizing infrared spectrum analysis

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003232829A (en) * 2002-02-07 2003-08-22 Mitsubishi Electric Corp Partial discharge detection device of winding equipment
JP2009016317A (en) * 2007-07-09 2009-01-22 Kobe Steel Ltd Monitoring system for electric facilities
CN103163801A (en) * 2011-12-15 2013-06-19 西安真核医疗科技有限公司 Circuit control system of X-ray inspection instrument
CN102680868A (en) * 2012-05-23 2012-09-19 重庆电力设计院 Ultraviolet discharge detector and method
CN102928742A (en) * 2012-11-22 2013-02-13 重庆市电力公司检修分公司 Infrared image automatic fault identifying method for high-voltage equipment
CN103123382A (en) * 2013-01-31 2013-05-29 云南电力试验研究院(集团)有限公司电力研究院 Photoelectric combined detection method aiming at mutual inductor of distribution network

Also Published As

Publication number Publication date
CN105527479A (en) 2016-04-27
CN105242092B (en) 2016-06-29
CN105242092A (en) 2016-01-13

Similar Documents

Publication Publication Date Title
CN105527479B (en) Self-check type electronic type voltage transformer
CN105891765B (en) Ammeter defect Intelligent testing equipment
CN105093167B (en) Outdoor electrical energy meter fault automatic gauging terminal
CN105182275B (en) Outdoor electrical energy meter fault self-verifying method
CN108494097A (en) Robot inspection system for substation
CN207473077U (en) A kind of transformer checking system based on image recognition technology
CN105259397B (en) Electronic type voltage transformer
CN104535953A (en) Automatic detection system and method of liquid crystal display screen of intelligent ammeter
CN104735418B (en) Electric energy meter wireless kilowatt meter reading-out system
CN105301328B (en) A kind of self-check type electronic type voltage transformer
CN105635685B (en) A kind of automatic data collection transmission method
CN105510669B (en) Electronic current mutual inductor
CN105785094A (en) Self-inspection electronic voltage transformer
CN105445515B (en) Intelligent electronic optical pole current transformer
CN106813884A (en) A kind of extra-high voltage all-fiber current transformator vibration testing device and its test method
CN105759099A (en) Intelligent electronic current transformer
CN106706992B (en) Using the closed-loop feed-back type all -fiber current transformer of polarization detection method
CN105445516B (en) A kind of Intelligent electronic optical pole current transformer
CN207408463U (en) Optical current mutual inductor
CN112857751B (en) Digital image intensifier dark count testing device, method and storage medium
CN105842501A (en) Electric meter capable of automatically preventing electricity stealing
CN105738370A (en) Defect monitoring device for inflatable current transformer
CN105759100A (en) Intelligent electronic current transformer
CN117937725A (en) Monitoring device for intelligent distribution transformer
CN103389400A (en) Open type optical current transformer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Li Benyuan

Inventor after: Liu Guanglei

Inventor after: Liu Yuxia

Inventor after: Teng Shuqing

Inventor after: Sun Yonghai

Inventor after: Bao Xia

Inventor after: Huang Guoli

Inventor after: Wu Ying

Inventor after: Li Peixia

Inventor after: Xu Tongna

Inventor after: Liu Rumei

Inventor after: Liu Hongbing

Inventor after: Huang Runli

Inventor after: Zhang Wenzhi

Inventor after: Liu Qinming

Inventor after: Zhu Lin

Inventor after: Zhang Shuqiang

Inventor after: Zhou Yan

Inventor after: Wang Yuzheng

Inventor after: Feng Jun

Inventor before: Peng Dongqing

COR Change of bibliographic data
TA01 Transfer of patent application right

Effective date of registration: 20160805

Address after: No. 276400 Shandong Xinhua C000841 city of Linyi province Yishui County Road No. 1 building room 2 Room 3 room 4 No. 5

Applicant after: State Grid Shandong Electric Power Company Yishui County Power Supply Company

Address before: 071003 Hebei province Baoding Yonghua No. 6 North Street

Applicant before: Peng Dongqing

C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180724

Address after: 226300 fourteen groups of new village, Shegang Town, Tongzhou District, Nantong, Jiangsu

Patentee after: Nantong Baisheng Precision Machinery Co., Ltd.

Address before: 276400 room 2, room 1, building 1, building C000841, Xin Hua Road, Yishui, Linyi, Shandong, 5, room 4, room 4.

Patentee before: State Grid Shandong Electric Power Company Yishui County Power Supply Company