CN105785094A - Self-inspection electronic voltage transformer - Google Patents
Self-inspection electronic voltage transformer Download PDFInfo
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- CN105785094A CN105785094A CN201610115212.3A CN201610115212A CN105785094A CN 105785094 A CN105785094 A CN 105785094A CN 201610115212 A CN201610115212 A CN 201610115212A CN 105785094 A CN105785094 A CN 105785094A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating 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
- G01N23/02—Investigating 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
- G01N23/06—Investigating 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
- G01N23/18—Investigating the presence of flaws defects or foreign matter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
Abstract
The invention relates to a self-inspection electronic voltage transformer. The voltage transformer comprises an electronic voltage transformer body, an X ray machine and an ARM11 processor. The X ray machine is used for shooting a housing of the electronic voltage transformer body to obtain a corresponding X ray digital image and determining the position of a defect inside the housing of the electronic voltage transformer body based on the analysis of the X ray digital image. The ARM11 processor receives the position of the defect and sends the position of the defect to a display device for displaying. According to the invention, the structure of the electronic voltage transformer can be optimized, and the intelligent self-inspection of the electronic voltage transformer is realized in the meantime.
Description
The divisional application of patent that the present invention is application number is 201510782586.6, the applying date is on November 16th, 2015, denomination of invention is " 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 the voltage of input, current signal are carried out AC sampling, again with digital quantity, sampled value is inputted secondary meter by the transmission system such as cable, optical fiber to be connected, the sampled value of voltage, electric current is carried out computing by digital quantity input secondary meter, it is possible to obtain the parameters such as voltage effective value, current effective value, fundamental voltage, fundamental current, harmonic voltage, harmonic current, active power, fundamental power, harmonic power.
But, there is unreasonable structure in electronic type voltage transformer of the prior art, cost performance is not high, it is impossible to be commonly used, and, also cannot realize the self-inspection of the internal flaw to secondary device and remote equipment and External Defect.
Therefore, the present invention proposes a kind of self-check type electronic type voltage transformer, optimize electronic type voltage transformer of the prior art, improve the cost performance of electronic type voltage transformer, more crucially, it is integrated with the internal flaw of secondary device and remote equipment and the detection equipment of External Defect, improves the detection efficiency of fault.
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, the structure of electronic type voltage transformer of the prior art is carried out de-redundancy, while products quality guarantee, simplify the structure of equipment；Secondly, integrated ultraviolet imager realizes the internal flaw self-inspection to remote equipment with X-ray production apparatus, and integrated various image processing equipments realize the External Defect self-inspection to remote equipment.
According to an aspect of the present invention, provide 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 the position of the inside existing defects of the shell of described electronic type voltage transformer main body is determined based on the analysis of X-ray digital image, described ARM11 processor receives the position of described existing defects and is sent to display device to display.
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 production apparatus, it is arranged on the opposite of distal housing, it is connected with described ultraviolet imager, for when receiving the paradoxical discharge position of distal housing, shoot to obtain corresponding X-ray digital image to the paradoxical discharge position of distal housing adaptively, and the X-ray digital image obtained 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, 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, secondary power supply, uplink optical fibers, photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment；On-the-spot shell, is used for holding 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 holding 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 carrying out Gauss denoising to receiving surface image, to obtain denoising image；Smoothing processing equipment, is connected with described Gauss denoising equipment, for the denoising image received is smoothed, to obtain smoothed image；Gray processing processes equipment, is connected with described smoothing processing equipment, for the smoothed image received is carried out gray processing process, to obtain gray level image；Column border detection equipment, processes equipment with described gray processing and is connected, for described gray level image, calculating the number of each column black picture element, be more than or equal to the row of threshold number of pixels, the number of black picture element is designated as edge columns；Row rim detection equipment, processes equipment with described gray processing and is connected, for described gray level image, calculating the number of each row black picture element, be more than or equal to the row of threshold number of pixels, the number of black picture element is designated as edge lines；Skeleton splitting equipment, detect equipment with described column border and described row rim detection equipment is connected respectively, region edge columns and edge lines interweaved is as distal housing skeleton domain of the existence, and from described gray level image, it is partitioned into described distal housing skeleton domain of the existence to export as skeleton subimage, with by skeleton subimage from the background of gray level image separately；Defect analysis equipment, is connected with described skeleton splitting equipment, is mated with various defect image features by described skeleton subimage, and the successful kind of output matching is as skeleton defect kind；SD storage card, detects equipment, row rim detection equipment and defect analysis equipment with column border and is connected respectively, 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 and processing and amplifying electronic circuit including Filtering Processing electronic circuit, phase shift, for the signal of ironcore choke output is sequentially carried out filtering, phase shift and processing and amplifying the signal after output processing；Analog to digital conversion circuit, is connected with signal conditioning circuit, for the signal that signal conditioning circuit exports carries out the analog digital conversion of 8；Data receiver, is connected with analog to digital conversion circuit by SPI interface, and the data received are combined and CRC check；Data after verification are sent to electro-optic conversion equipment by SPI interface by data transmitting equipment, and the 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 parallel-serial conversion, 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 the position to receive the internal existing defects of distal housing and skeleton defect kind with X-ray production apparatus and defect analysis equipment also by mobile communication equipment；Data after the verification of multi-path serial are sent to the measurement server place of far-end by mobile communication equipment；Primary power source, provides supply of electric power for signal conditioning circuit, analog to digital conversion circuit, data receiver, data transmitting equipment and electro-optic conversion equipment；Secondary power supply, provides supply of electric power for photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment；Liquid crystal display, is connected with ARM11 processor, for position and the skeleton defect kind of the internal existing defects of display distal housing in real time, is additionally operable to the data after the verification of real-time display multiway serial；Wherein, the data measuring server place being sent to far-end are proportional to the corresponding data after analog to digital conversion circuit analog digital conversion.
More specifically, in described self-check type electronic type voltage transformer: X-ray production apparatus and defect analysis equipment are all embedded with mobile communication interface.
More specifically, in described self-check type electronic type voltage transformer: ultraviolet imager and X-ray production apparatus are 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 the opposite of distal 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.
Accompanying drawing labelling: 1 electronic type voltage transformer main body；2X radiography unit；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 described in detail.
Along with developing rapidly of photoelectron technology, many science and technology developed countries turn to sight the electronic current mutual inductor utilizing optical sensing technology and electronics method to carry out Development of Novel, are called for short photoelectric current inductor.The standard of International Power association distributing electronic formula voltage transformer.The implication of electronic mutual inductor, except including the transformer of photo-electric, also includes other and various utilizes the voltage of Electronic Testing principle, current sensor.
But, the structural redundancy of electronic type voltage transformer of the prior art is high, involve great expense, for high-volume use voltage transformer power supply management department cost performance too high, simultaneously, electronic type voltage transformer of the prior art lacks the on-site parameters detection equipment of some necessity, causes field data transmission poor real, it is easy to delay the process time of field failure.
For this, the present invention proposes a kind of self-check type electronic type voltage transformer, first the structure of electronic type voltage transformer of the prior art is optimized, improve its cost performance, additionally add ultraviolet imager, X-ray production apparatus and various high-precision image processing equipment realize self-inspection while the internal flaw to remote equipment and External Defect.
Fig. 1 is the block diagram of the self-check type electronic type voltage transformer of the present invention, 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 the position of the inside existing defects of the shell of described electronic type voltage transformer main body is determined based on the analysis of X-ray digital image, described ARM11 processor receives the position of described existing defects and is sent to display device to display.
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, it is arranged on the opposite of distal housing, it is connected with described ultraviolet imager, for when receiving the paradoxical discharge position of distal housing, shoot to obtain corresponding X-ray digital image to the paradoxical discharge position of distal housing adaptively, and the X-ray digital image obtained is 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, distal housing, 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, secondary power supply, uplink optical fibers, photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment；On-the-spot shell, is used for holding 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 holding 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 the surface of distal housing is shot, to obtain corresponding surface image.
Described voltage transformer includes: Gauss denoising equipment, is connected with described high-definition camera equipment, for carrying out Gauss denoising to receiving surface image, to obtain denoising image；Smoothing processing equipment, is connected with described Gauss denoising equipment, for the denoising image received is smoothed, to obtain smoothed image；Gray processing processes equipment, is connected with described smoothing processing equipment, for the smoothed image received is carried out gray processing process, to obtain gray level image.
Described voltage transformer includes: column border detection equipment, processes equipment with described gray processing and is connected, for described gray level image, calculating the number of each column black picture element, be more than or equal to the row of threshold number of pixels, the number of black picture element is designated as edge columns；Row rim detection equipment, processes equipment with described gray processing and is connected, for described gray level image, calculating the number of each row black picture element, be more than or equal to the row of threshold number of pixels, the number of black picture element is designated as edge lines.
Described voltage transformer includes: skeleton splitting equipment, detect equipment with described column border and described row rim detection equipment is connected respectively, region edge columns and edge lines interweaved is as distal housing skeleton domain of the existence, and from described gray level image, it is partitioned into described distal housing skeleton domain of the existence to export as skeleton subimage, with by skeleton subimage from the background of gray level image separately.
Described voltage transformer includes: defect analysis equipment, is connected with described skeleton splitting equipment, is mated with various defect image features by described skeleton subimage, and the successful kind of output matching is as skeleton defect kind.
Described voltage transformer includes: SD storage card, detects equipment, row rim detection equipment and defect analysis equipment with column border and is connected respectively, is 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；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 and processing and amplifying electronic circuit including Filtering Processing electronic circuit, phase shift, for the signal of ironcore choke output is sequentially carried out filtering, phase shift and processing and amplifying the signal after output processing；Analog to digital conversion circuit, is connected with signal conditioning circuit, for the signal that signal conditioning circuit exports carries out the analog digital conversion of 8.
Described voltage transformer includes: data receiver, is connected with analog to digital conversion circuit by SPI interface, and the data received are combined and CRC check；Data after verification are sent to electro-optic conversion equipment by SPI interface by data transmitting equipment, and the 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.
Described voltage transformer includes: CPLD chip, it is achieved receives the data after the verification of multidiameter delay simultaneously, and carries out parallel-serial conversion, to obtain the data after the verification of multi-path serial.
Described voltage transformer includes: ARM11 processor, it is achieved is connected with the EBI of CPLD chip and mounts mobile communication equipment；It is connected the position to receive the internal existing defects of distal housing and skeleton defect kind with X-ray production apparatus and defect analysis equipment also by mobile communication equipment.
Described voltage transformer includes: mobile communication equipment, and the data after the verification of multi-path serial are sent to the measurement server place of far-end；Primary power source, provides supply of electric power for signal conditioning circuit, analog to digital conversion circuit, data receiver, data transmitting equipment and electro-optic conversion equipment；Secondary power supply, provides supply of electric power for photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment.
Described voltage transformer includes: liquid crystal display, is connected with ARM11 processor, for position and the skeleton defect kind of the internal existing defects of display distal housing in real time, is additionally operable to the data after the verification of real-time display multiway serial.
Wherein, the data measuring server place being sent to far-end are proportional to the corresponding data after analog to digital conversion circuit analog digital conversion.
Alternatively, in described voltage transformer: X-ray production apparatus and defect analysis equipment are all embedded with mobile communication interface；Ultraviolet imager and X-ray production apparatus are integrated on one piece of surface-mounted integrated circuit；Ultraviolet imager is arranged on the opposite of distal housing；And high-definition camera equipment may be disposed at the opposite of distal housing.
It addition, current transformer, its feature utilizing transformer primary, secondary current proportional is made.Its operation principle, equivalent circuit are also identical with general transformator, and simply its primary side winding is connected in circuit-under-test, 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 (i.e. tested electric current) and secondary current depend on the load of test line, and unrelated with the secondary load of current transformer.Owing to secondary is close to short circuit, so former and deputy polygonal voltage U1 and all only small, exciting current I0 is also only small.When current transformer runs, secondary does not allow open circuit.Because once open circuit, primary current all becomes exciting current, make magnetic flux and secondary voltage substantially exceed normal value and jeopardize the person and equipment safety.Therefore, current transformer secondary loop mustn't connect fuse, also just pull down the equipment such as ammeter, relay not in when running without bypass.The mode of connection of current transformer 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.
Adopt the self-check type electronic type voltage transformer of the present invention, cost dearly for electronic type voltage transformer in prior art and remote equipment lack defect self-checking equipment technical problem, by the structure of modification to electronic type voltage transformer, simplify the internal structure of original electronic type voltage transformer, improve its cost performance；More it is essential that the integrated Inner Defect Testing equipment to remote equipment and External Defect detect equipment, thus improving the intelligent level of electronic type voltage transformer.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be 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, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.
Claims (2)
1. a 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 the position of the inside existing defects of the shell of described electronic type voltage transformer main body is determined based on the analysis of X-ray digital image, described ARM11 processor receives the position of described existing defects and is sent to display device to display.
2. self-check type electronic type voltage transformer as claimed in claim 1, it is characterised in that described voltage transformer includes:
Ultraviolet imager, for detecting the discharge information of distal housing, to determine the paradoxical discharge position of distal housing；
X-ray production apparatus, it is arranged on the opposite of distal housing, it is connected with described ultraviolet imager, for when receiving the paradoxical discharge position of distal housing, shoot to obtain corresponding X-ray digital image to the paradoxical discharge position of distal housing adaptively, and the X-ray digital image obtained 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, 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, secondary power supply, uplink optical fibers, photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment；
On-the-spot shell, is used for holding 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 holding 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 carrying out Gauss denoising to receiving surface image, to obtain denoising image；
Smoothing processing equipment, is connected with described Gauss denoising equipment, for the denoising image received is smoothed, to obtain smoothed image；
Gray processing processes equipment, is connected with described smoothing processing equipment, for the smoothed image received is carried out gray processing process, to obtain gray level image；
Column border detection equipment, processes equipment with described gray processing and is connected, for described gray level image, calculating the number of each column black picture element, be more than or equal to the row of threshold number of pixels, the number of black picture element is designated as edge columns；
Row rim detection equipment, processes equipment with described gray processing and is connected, for described gray level image, calculating the number of each row black picture element, be more than or equal to the row of threshold number of pixels, the number of black picture element is designated as edge lines；
Skeleton splitting equipment, detect equipment with described column border and described row rim detection equipment is connected respectively, region edge columns and edge lines interweaved is as distal housing skeleton domain of the existence, and from described gray level image, it is partitioned into described distal housing skeleton domain of the existence to export as skeleton subimage, with by skeleton subimage from the background of gray level image separately；
Defect analysis equipment, is connected with described skeleton splitting equipment, is mated with various defect image features by described skeleton subimage, and the successful kind of output matching is as skeleton defect kind；
SD storage card, detects equipment, row rim detection equipment and defect analysis equipment with column border and is connected respectively, 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 and processing and amplifying electronic circuit including Filtering Processing electronic circuit, phase shift, for the signal of ironcore choke output is sequentially carried out filtering, phase shift and processing and amplifying the signal after output processing；
Analog to digital conversion circuit, is connected with signal conditioning circuit, for the signal that signal conditioning circuit exports carries out the analog digital conversion of 8；
Data receiver, is connected with analog to digital conversion circuit by SPI interface, and the data received are combined and CRC check；
Data after verification are sent to electro-optic conversion equipment by SPI interface by data transmitting equipment, and the 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 parallel-serial conversion, 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 the position to receive the internal existing defects of distal housing and skeleton defect kind with X-ray production apparatus and defect analysis equipment also by mobile communication equipment；
Data after the verification of multi-path serial are sent to the measurement server place of far-end by mobile communication equipment；
Primary power source, provides supply of electric power for signal conditioning circuit, analog to digital conversion circuit, data receiver, data transmitting equipment and electro-optic conversion equipment；
Secondary power supply, provides supply of electric power for photoelectric conversion device, CPLD chip, ARM11 processor, liquid crystal display and mobile communication equipment；
Liquid crystal display, is connected with ARM11 processor, for position and the skeleton defect kind of the internal existing defects of display distal housing in real time, is additionally operable to the data after the verification of real-time display multiway serial；
Wherein, the data measuring server place being sent to far-end are proportional to the corresponding data after analog to digital conversion circuit analog digital conversion；
X-ray production apparatus and defect analysis equipment are all embedded with mobile communication interface；
Ultraviolet imager and X-ray production apparatus are integrated on one piece of surface-mounted integrated circuit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111816435A (en) * | 2020-07-01 | 2020-10-23 | 海盐伟佳电器科技有限公司 | Integrated current transformer production line and production process thereof |
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| 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 |
| CN104535589A (en) * | 2015-01-20 | 2015-04-22 | 广东电网有限责任公司电力科学研究院 | Online detection method and device for low-voltage current mutual inductor |
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