CN105259397B - Electronic type voltage transformer - Google Patents
Electronic type voltage transformer Download PDFInfo
- Publication number
- CN105259397B CN105259397B CN201510785106.1A CN201510785106A CN105259397B CN 105259397 B CN105259397 B CN 105259397B CN 201510785106 A CN201510785106 A CN 201510785106A CN 105259397 B CN105259397 B CN 105259397B
- Authority
- CN
- China
- Prior art keywords
- shell
- data
- voltage transformer
- equipment
- excitation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005284 excitation Effects 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 31
- 230000007547 defect Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 55
- 238000004891 communication Methods 0.000 claims description 40
- 238000012795 verification Methods 0.000 claims description 24
- 230000003750 conditioning effect Effects 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 14
- 239000013307 optical fiber Substances 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 12
- 210000003127 knee Anatomy 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005350 ferromagnetic resonance Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Abstract
The present invention relates to a kind of electronic type voltage transformer, described voltage transformer includes electronic type voltage transformer main body, excitation detector and Freescale IMX6 and processes chip, described excitation detector is for carrying out excitation detection to the shell of described electronic type voltage transformer main body, and described Freescale IMX6 processes chip and receives described excitation testing result and determine the defect kind of shell of described electronic type voltage transformer main body based on described excitation testing result.By means of the invention it is possible to while optimizing electronic type voltage transformer structure, it is achieved the oneself's detection to the multiple parameters of electronic type voltage transformer.
Description
Technical field
The present invention relates to power domain, particularly relate to a kind of electronic type voltage transformer.
Background technology
Transformer operation principle is as follows: in the circuit of power consumption, and electric current differs from several peaces to several Wan An, and voltage phase difference is from several volts to millions of volts.In circuit, current/voltage is all higher, is breakneck as directly measured.Need to be converted to, for ease of secondary meter measurement, the current/voltage that comparison is unified, use transformer to play the effect of variable flow and variable pressure and electrical isolation.Display instrument major part is the current voltmeter of pointer-type, so the secondary current great majority of current transformer are ampere level (such as 5 etc.).Along with era development, electrical measurement has reached digitized mostly, and the signal of the sampling of computer is generally milliampere level (0-5V, 4-20mA etc.).Micro-transformer of current secondary current is milliampere level, acts primarily as the function served as bridge between big transformer and sampling.Micro-transformer of current is referred to as " instrument current transformer ".
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 electronic type voltage transformer, first optimizes the structure of electronic type voltage transformer of the prior art, improve its cost performance, additionally increase some on-site parameters detection equipment, and increase self-detection mechanism, improve the intelligent level of electronic type voltage transformer.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of electronic type voltage transformer, on the one hand, 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；On the other hand, infrared thermoviewer and excitation imager are integrated into electronic type voltage transformer, promote the self-inspection performance of electronic type voltage transformer.
According to an aspect of the present invention, provide a kind of electronic type voltage transformer, described voltage transformer includes electronic type voltage transformer main body, excitation detector and Freescale IMX6 and processes chip, described excitation detector is for carrying out excitation detection to the shell of described electronic type voltage transformer main body, and described Freescale IMX6 processes chip and receives described excitation testing result and determine the defect kind of shell of described electronic type voltage transformer main body based on described excitation testing result.
More specifically, in described electronic type voltage transformer, including: infrared thermoviewer, it is arranged on the opposite of the first shell, for detecting the temperature of the first shell in real time, and in the temperature detected beyond when presetting case temperature range, send skin temperature abnormal signal；Excitation detector, first shell is carried out excitation to obtain the excitation data of feedback, resistance scaled value when obtaining knee voltage, keen current, the first shell resistance scaled value when 25 degree and the first shell at 75 degree according to excitation data, resistance scaled value during based on resistance scaled value when 25 degree of knee voltage, keen current, the first shell and the first shell at 75 degree determines the defect kind of the first shell；Electronic type voltage transformer main body, processes chip, LCDs and Bluetooth communication equipment including the first shell, second 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, Freescale IMX6；First 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；Second housing, is used for holding secondary power supply, photoelectric conversion device, CPLD chip, Freescale IMX6 process chip, display device and Bluetooth communication equipment；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；Freescale IMX6 processes chip, it is achieved is connected with the EBI of CPLD chip and mounts Bluetooth communication equipment；It is connected the temperature and the skin temperature abnormal signal that receive the first shell with infrared thermoviewer by Bluetooth communication equipment, resistance scaled value when being connected with excitation detector by Bluetooth communication equipment to receive knee voltage, keen current, the first shell resistance scaled value when 25 degree and the first shell at 75 degree, and based on resistance scaled value when 25 degree of knee voltage, keen current, the first shell and the first shell at 75 degree time resistance scaled value determine the defect kind of the first shell；Bluetooth communication equipment, for the defect kind of the temperature of the first shell, skin temperature abnormal signal and the first shell is wirelessly transmitted to the measurement server place of far-end, is additionally operable to the data after by the verification of multi-path serial and is wirelessly transmitted 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, processes chip, display device and Bluetooth communication equipment offer supply of electric power for photoelectric conversion device, CPLD chip, Freescale IMX6；LCDs, processes chip with Freescale IMX6 and is connected, and for the defect kind of the display temperature of the first shell, skin temperature abnormal signal and the first shell in real time, is additionally operable to the data after the verification of real-time display multiway serial；Wherein, described Bluetooth communication equipment includes the first search subset, the second search subset and coupling connexon equipment；Wherein, the first search subset, determine that micro bluetooth network that Bluetooth MAC address concentration is the highest is as target piconet according to MAC Address concentration in Bluetooth Scatternet, a Bluetooth Scatternet is made up of multiple micro bluetooth networks；Second search subset, searches for subset with described first and is connected, and in described target piconet, finds, quantity preceding by signal intensity ranking and is not more than one or more Bluetooth communication equipments of 7 as one or more target Bluetooth devices；Coupling connexon equipment, searches for subset with described second and is connected, start and be connected with the Bluetooth communication of the one or more target Bluetooth devices；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 electronic type voltage transformer: when having the quantity of Bluetooth communication equipment of signal in described target piconet for during be more than or equal to 7, the quantity of the one or more target Bluetooth devices is 7.
More specifically, in described electronic type voltage transformer: when having the quantity of Bluetooth communication equipment of signal in described target piconet for during less than 7, the quantity of the one or more target Bluetooth devices is the quantity of the Bluetooth communication equipment having signal in described target piconet.
More specifically, in described electronic type voltage transformer: infrared thermoviewer and excitation detector are all embedded with bluetooth communication interface.
More specifically, in described electronic type voltage transformer: Freescale IMX6 processes chip and CPLD integrated chip on one piece of surface-mounted integrated circuit.
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 electronic type voltage transformer of the present invention.
Fig. 2 is the block diagram of the Bluetooth communication equipment of the electronic type voltage transformer of the present invention.
Accompanying drawing labelling: 1 electronic type voltage transformer main body；2 excitation detectors；3 Freescale IMX6 process chip 4 first and search for subset；5 second search subsets；6 coupling connexon equipment
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the electronic type voltage transformer of the present invention is described in detail.
Continuous application along with a lot of new materials, transformer also occurs in that much new kind, electromagnetic transformer obtains and develops more fully, and wherein core type current transformer has adapted to the growth requirement of power construction with dry type, oil immersed type and gas-insulating type various structures.Continuous growth however as power transmission capabilities; line voltage grade improve constantly and protect the constantly perfect of requirement; general core type current transformer structure exposes weakness incompatible with it gradually; its intrinsic volume is big, magnetic saturation, ferromagnetic resonance, dynamic range are little; the weakness such as service band is narrow, it is difficult to the full development need being difficult to meet a new generation's Automation of Electric Systems, electric power digital network etc..Therefore, the voltage of electronic type, current transformer are occurred in that.
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 temperature to primary equipment shell and defect type.
For this, the present invention has built a kind of electronic type voltage transformer, optimize electronic type voltage transformer of the prior art, improve the cost performance of electronic type voltage transformer, more crucially, by in the detection integration of equipments relevant to the temperature and defect type of primary equipment shell to electronic type voltage transformer, and transformation radio transmission apparatus is to improve wireless data transmission efficiency further, thus improving fault detect speed.
Fig. 1 is the block diagram of the electronic type voltage transformer of the present invention, described voltage transformer includes electronic type voltage transformer main body, excitation detector and Freescale IMX6 and processes chip, described excitation detector is for carrying out excitation detection to the shell of described electronic type voltage transformer main body, and described Freescale IMX6 processes chip and receives described excitation testing result and determine the defect kind of shell of described electronic type voltage transformer main body based on described excitation testing result.
Then, the structure of the electronic type voltage transformer of the present invention is specifically described.
Described voltage transformer includes: infrared thermoviewer, is arranged on the opposite of the first shell, for detecting the temperature of the first shell in real time, and in the temperature detected beyond when presetting case temperature range, sends skin temperature abnormal signal.
Described voltage transformer includes: excitation detector, first shell is carried out excitation to obtain the excitation data of feedback, resistance scaled value when obtaining knee voltage, keen current, the first shell resistance scaled value when 25 degree and the first shell at 75 degree according to excitation data, resistance scaled value during based on resistance scaled value when 25 degree of knee voltage, keen current, the first shell and the first shell at 75 degree determines the defect kind of the first shell.
Described voltage transformer includes: electronic type voltage transformer main body, processes chip, LCDs and Bluetooth communication equipment including the first shell, second 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, Freescale IMX6；First 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；Second housing, is used for holding secondary power supply, photoelectric conversion device, CPLD chip, Freescale IMX6 process chip, display device and Bluetooth communication equipment；High voltage bus, through air core coil and ironcore choke.
Described voltage transformer includes: air core coil, is used as the sensing head of protection passage；Ironcore choke, as the sensing head of Measurement channel.
Described voltage transformer includes: signal conditioning circuit, the signal of receiving core coil output, electronic circuit and processing and amplifying electronic circuit is processed, for the signal of ironcore choke output is sequentially carried out filtering, phase shift and processing and amplifying the signal after output processing including Filtering Processing electronic circuit, phase shift；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: Freescale IMX6 processes chip, it is achieved is connected with the EBI of CPLD chip and mounts Bluetooth communication equipment；It is connected the temperature and the skin temperature abnormal signal that receive the first shell with infrared thermoviewer by Bluetooth communication equipment, resistance scaled value when being connected with excitation detector by Bluetooth communication equipment to receive knee voltage, keen current, the first shell resistance scaled value when 25 degree and the first shell at 75 degree, and based on resistance scaled value when 25 degree of knee voltage, keen current, the first shell and the first shell at 75 degree time resistance scaled value determine the defect kind of the first shell.
Described voltage transformer includes: Bluetooth communication equipment, for the defect kind of the temperature of the first shell, skin temperature abnormal signal and the first shell being wirelessly transmitted to the measurement server place of far-end, being additionally operable to the data after by the verification of multi-path serial and being wirelessly transmitted 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, processes chip, display device and Bluetooth communication equipment offer supply of electric power for photoelectric conversion device, CPLD chip, Freescale IMX6；LCDs, processes chip with Freescale IMX6 and is connected, and for the defect kind of the display temperature of the first shell, skin temperature abnormal signal and the first shell in real time, is additionally operable to the data after the verification of real-time display multiway serial.
With reference to Fig. 2, wherein, described Bluetooth communication equipment includes the first search subset, the second search subset and coupling connexon equipment；Wherein, the first search subset, determine that micro bluetooth network that Bluetooth MAC address concentration is the highest is as target piconet according to MAC Address concentration in Bluetooth Scatternet, a Bluetooth Scatternet is made up of multiple micro bluetooth networks；Second search subset, searches for subset with described first and is connected, and in described target piconet, finds, quantity preceding by signal intensity ranking and is not more than one or more Bluetooth communication equipments of 7 as one or more target Bluetooth devices；Coupling connexon equipment, searches for subset with described second and is connected, start and be connected with the Bluetooth communication of the one or more target Bluetooth devices；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 electronic type voltage transformer: when having the quantity of Bluetooth communication equipment of signal in described target piconet for during be more than or equal to 7, the quantity of the one or more target Bluetooth devices is 7；When having the quantity of Bluetooth communication equipment of signal in described target piconet for during less than 7, the quantity of the one or more target Bluetooth devices is the quantity of the Bluetooth communication equipment having signal in described target piconet；Infrared thermoviewer and excitation detector are all embedded with bluetooth communication interface；And, Freescale IMX6 processes chip and can be incorporated on one piece of surface-mounted integrated circuit with CPLD chip.
It addition, wave filter, as the term suggests, it is the device that ripple is filtered." ripple " is a physical concept widely, and at electronic technology field, " ripple " is narrowly confined to refer in particular to the process of the value fluctuations in time describing various physical quantitys.The effect by various kinds of sensors of this process, is converted into the time function of voltage or electric current, is referred to as the time waveform of various physical quantity, or is referred to as signal.Because the independent variable time is continuous value, it is referred to as continuous time signal, is referred to as again analogue signal habitually.
Along with the generation of digital electronic computer technology with develop rapidly, for the ease of computer, signal is processed, create under sampling theorem instructs, continuous time signal is transformed into discrete-time signal complete theory and method.That is, only can express primary signal by original analog signal sample value on series of discrete time coordinate point and not lose any information, since what these concepts of ripple, waveform, signal were expressed is the change of various physical quantitys in objective world, it is exactly the carrier of the various information that modern society depends on for existence naturally.Information needs to propagate, and what lean on is exactly the transmission of waveshape signal.Signal its generation, conversion, transmission each link be likely to be due to the existence of environment and interference and distort, or even in quite a number of cases, this distortion is also very serious, causes that signal and entrained information thereof are embedded in the middle of noise dearly.In order to filter these noises, recover signal originally, it is necessary to use various wave filter to be filtered processing.
Adopt the electronic type voltage transformer of the present invention, cost dearly for electronic type voltage transformer in prior art, lack relevant self-checking equipment and the low technical problem of radio transmission apparatus work efficiency, by the structure of modification to electronic type voltage transformer, simplify the internal structure of original electronic type voltage transformer, simultaneously, primary equipment is detected by integrated series of parameters detection equipment, and improve the Communication processing mechanism of radio transmission apparatus, thus improving the automatization 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 (1)
1. an electronic type voltage transformer, described voltage transformer includes electronic type voltage transformer main body, excitation detector and Freescale IMX6 and processes chip, described excitation detector is for carrying out excitation detection to the shell of described electronic type voltage transformer main body, and described Freescale IMX6 processes chip and receives described excitation testing result and determine the defect kind of shell of described electronic type voltage transformer main body based on described excitation testing result；
Described voltage transformer includes:
Infrared thermoviewer, is arranged on the opposite of the first shell, for detecting the temperature of the first shell in real time, and in the temperature detected beyond when presetting case temperature range, sends skin temperature abnormal signal；
Excitation detector, first shell is carried out excitation to obtain the excitation data of feedback, resistance scaled value when obtaining knee voltage, keen current, the first shell resistance scaled value when 25 degree and the first shell at 75 degree according to excitation data, resistance scaled value during based on resistance scaled value when 25 degree of knee voltage, keen current, the first shell and the first shell at 75 degree determines the defect kind of the first shell；
Electronic type voltage transformer main body, processes chip, LCDs and Bluetooth communication equipment including the first shell, second 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, Freescale IMX6；
First 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；
Second housing, is used for holding secondary power supply, photoelectric conversion device, CPLD chip, Freescale IMX6 process chip, display device and Bluetooth communication equipment；
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；
Freescale IMX6 processes chip, it is achieved is connected with the EBI of CPLD chip and mounts Bluetooth communication equipment；It is connected the temperature and the skin temperature abnormal signal that receive the first shell with infrared thermoviewer by Bluetooth communication equipment, resistance scaled value when being connected with excitation detector by Bluetooth communication equipment to receive knee voltage, keen current, the first shell resistance scaled value when 25 degree and the first shell at 75 degree, and based on resistance scaled value when 25 degree of knee voltage, keen current, the first shell and the first shell at 75 degree time resistance scaled value determine the defect kind of the first shell；
Bluetooth communication equipment, for the defect kind of the temperature of the first shell, skin temperature abnormal signal and the first shell is wirelessly transmitted to the measurement server place of far-end, is additionally operable to the data after by the verification of multi-path serial and is wirelessly transmitted 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, processes chip, display device and Bluetooth communication equipment offer supply of electric power for photoelectric conversion device, CPLD chip, Freescale IMX6；
LCDs, processes chip with Freescale IMX6 and is connected, and for the defect kind of the display temperature of the first shell, skin temperature abnormal signal and the first shell in real time, is additionally operable to the data after the verification of real-time display multiway serial；
Wherein, described Bluetooth communication equipment includes the first search subset, the second search subset and coupling connexon equipment；Wherein, the first search subset, determine that micro bluetooth network that Bluetooth MAC address concentration is the highest is as target piconet according to MAC Address concentration in Bluetooth Scatternet, a Bluetooth Scatternet is made up of multiple micro bluetooth networks；Second search subset, searches for subset with described first and is connected, and in described target piconet, finds, quantity preceding by signal intensity ranking and is not more than one or more Bluetooth communication equipments of 7 as one or more target Bluetooth devices；Coupling connexon equipment, searches for subset with described second and is connected, start and be connected with the Bluetooth communication of the one or more target Bluetooth devices；
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.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785106.1A CN105259397B (en) | 2015-11-16 | 2015-11-16 | Electronic type voltage transformer |
| CN201610118535.8A CN105699731A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
| CN201610115162.9A CN105699730A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785106.1A CN105259397B (en) | 2015-11-16 | 2015-11-16 | Electronic type voltage transformer |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610118535.8A Division CN105699731A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
| CN201610115162.9A Division CN105699730A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105259397A CN105259397A (en) | 2016-01-20 |
| CN105259397B true CN105259397B (en) | 2016-06-29 |
Family
ID=55099163
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610115162.9A Withdrawn CN105699730A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
| CN201610118535.8A Pending CN105699731A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
| CN201510785106.1A Expired - Fee Related CN105259397B (en) | 2015-11-16 | 2015-11-16 | Electronic type voltage transformer |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610115162.9A Withdrawn CN105699730A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
| CN201610118535.8A Pending CN105699731A (en) | 2015-11-16 | 2015-11-16 | Electronic voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105699730A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388347B (en) * | 2015-11-16 | 2016-09-28 | 国家电网公司 | A kind of electronic type voltage transformer |
| CN105699730A (en) * | 2015-11-16 | 2016-06-22 | 王爱玲 | Electronic voltage transformer |
| CN106226576A (en) * | 2016-05-03 | 2016-12-14 | 北京铁道工程机电技术研究所有限公司 | A kind of field bus type AC voltage transformer |
| CN106706989A (en) * | 2016-11-30 | 2017-05-24 | 胡妍 | Intelligent intermediate-and-high-voltage mutual inductor |
| CN108508395A (en) * | 2017-02-26 | 2018-09-07 | 武汉市欧睿科技有限公司 | A kind of electronic transformer test system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250526Y (en) * | 1996-02-06 | 1997-03-26 | 清华大学 | Safety monitor for large generator |
| JP2003232829A (en) * | 2002-02-07 | 2003-08-22 | Mitsubishi Electric Corp | Partial discharge detection device of winding equipment |
| CN2786758Y (en) * | 2005-04-08 | 2006-06-07 | 南瑞继保电气有限公司 | Hollow core coils current mutual inductor based on digital accumulated scores |
| CN2849925Y (en) * | 2005-08-31 | 2006-12-20 | 北京伏安电气公司 | Feed-through current transformer |
| JP2009016317A (en) * | 2007-07-09 | 2009-01-22 | Kobe Steel Ltd | Monitoring system for electric facilities |
| CN201369234Y (en) * | 2009-03-24 | 2009-12-23 | 湖北省电力试验研究院 | Integral power frequency resonant reactor for field error calibration of capacitor voltage transformer |
| JP2010243224A (en) * | 2009-04-02 | 2010-10-28 | Meidensha Corp | Method for diagnosing deterioration of heat-resistant polyester varnish |
| CN201654218U (en) * | 2010-01-29 | 2010-11-24 | 平高集团有限公司 | Multifunctional testing stand of voltage transformer |
| CN102088206B (en) * | 2010-12-16 | 2013-07-24 | 中国西电电气股份有限公司 | Method for intelligent measurement and control apparatus of high-pressure isolation switch operating mechanism |
| 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 |
| CN103135088A (en) * | 2013-01-31 | 2013-06-05 | 云南电力试验研究院（集团）有限公司电力研究院 | Comprehensive detection method of electric transformer at and below 35 kilovolts |
| CN203606657U (en) * | 2013-12-10 | 2014-05-21 | 国家电网公司 | Controller for voltage-transformer excitation characteristic tester |
| CN203786286U (en) * | 2014-04-16 | 2014-08-20 | 国家电网公司 | Voltage transformer tester |
| CN105699730A (en) * | 2015-11-16 | 2016-06-22 | 王爱玲 | Electronic voltage transformer |
-
2015
- 2015-11-16 CN CN201610115162.9A patent/CN105699730A/en not_active Withdrawn
- 2015-11-16 CN CN201610118535.8A patent/CN105699731A/en active Pending
- 2015-11-16 CN CN201510785106.1A patent/CN105259397B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105699730A (en) | 2016-06-22 |
| CN105259397A (en) | 2016-01-20 |
| CN105699731A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105259397B (en) | Electronic type voltage transformer | |
| CN104076319B (en) | Online error analysis system of digitized electric energy metering device | |
| US9459673B2 (en) | System and a method for remotely interacting with items present in an environment for communicating with computing device | |
| CN209327556U (en) | A kind of DC current transformer frequency response characteristic integrated measurement system | |
| CN103727964B (en) | A kind of mechanics parameter based on LC resonant transducer measures system and measuring method | |
| CN104297565B (en) | Electricity digitizer based on FPGA and magnetic balance type Hall sensor | |
| CN105651412A (en) | Measurement method and measurement circuit for PT1000 temperature sensor | |
| CN203811737U (en) | Direct-current electric-leakage monitoring and warning device | |
| Mc Caffrey et al. | Energy autonomous wireless valve leakage monitoring system with acoustic emission sensor | |
| CN103278698B (en) | A kind of measurement mechanism of iron loss of oriented silicon steel by utilizing value and method | |
| CN207894515U (en) | A kind of device vibrated for measuring transformer neutral point bias current and ontology | |
| CN208000161U (en) | A kind of vibration acquisition device of judgement sensor states | |
| CN105388347B (en) | A kind of electronic type voltage transformer | |
| CN105242093B (en) | Electronic current mutual inductor | |
| Jin et al. | Microcomputer-based real-time bearing monitor | |
| CN204129211U (en) | A kind of base passive and wireless multi-parameter sensor intelligent electric energy meter temperature rise detecting device | |
| JP6533605B2 (en) | Magnetic field communication system and magnetic field communication method | |
| CN201069469Y (en) | Real time online monitoring device for calculation error of the high-voltage current mutual inductor | |
| Lin | Identification of interharmonics using disperse energy distribution algorithm for flicker troubleshooting | |
| CN105759099A (en) | Intelligent electronic current transformer | |
| Lin | Development of interharmonics identification using enhanced‐fft algorithm | |
| CN106092308A (en) | Novel electric power transformator oscillation real time monitoring device | |
| CN105445515B (en) | Intelligent electronic optical pole current transformer | |
| CN105424250A (en) | Rotating shaft instantaneous torque detection device and rotating shaft instantaneous torque detection method | |
| CN101599356A (en) | The method of power distribution network electronic type voltage transformer and measurement phase voltage thereof |
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: Fu Jie Inventor after: Cong Minsheng Inventor after: Huang Quanjun Inventor after: Gong Yanni Inventor after: Jiang Zhiming Inventor after: Liu Zhijun Inventor after: Shao Jingjing Inventor after: Lv Jun Inventor after: Yu Dongming Inventor after: Du Huafang Inventor after: Lin Leming Inventor before: Wang Ailing |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160517 Address after: 264400 Longshan Road, Wendeng District, Shandong, Weihai, China Applicant after: WEIHAI WENDENG POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 054300 No. 99 Lake Avenue, Lincheng County, Xingtai, Hebei, Qishan Applicant before: Wang Ailing |
|
| 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: 20160629 Termination date: 20171116 |