CN206460161U - electronic mutual inductor state collecting device - Google Patents

electronic mutual inductor state collecting device Download PDF

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Publication number
CN206460161U
CN206460161U CN201621194192.5U CN201621194192U CN206460161U CN 206460161 U CN206460161 U CN 206460161U CN 201621194192 U CN201621194192 U CN 201621194192U CN 206460161 U CN206460161 U CN 206460161U
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China
Prior art keywords
state
mutual inductor
module
electronic mutual
sensor
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CN201621194192.5U
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Chinese (zh)
Inventor
蒋愈勇
陈浩敏
陈波
郭晓斌
姚浩
习伟
蔡田田
王建邦
李俊
李俊一
王军龙
于文鹏
周柯
李文伟
徐长宝
陈络祺
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Beijing Aerospace Control Instrument Institute
Research Institute of Southern Power Grid Co Ltd
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China Aerospace Times Electronics Corp
Power Grid Technology Research Center of China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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Priority to CN201621194192.5U priority Critical patent/CN206460161U/en
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Abstract

The utility model is related to electronic mutual inductor state collecting device, including:State sensor and cabinet, cabinet is used to be installed on electronic mutual inductor, state acquisition module, collection of simulant signal module and Digital Signal Processing communication module are provided with cabinet, state sensor is used to be connected with electronic mutual inductor, state sensor is connected with state acquisition module, state acquisition module and collection of simulant signal module are connected with Digital Signal Processing communication module, collection of simulant signal module is used to be connected with electronic mutual inductor, and Digital Signal Processing communication module is used to be connected with merging module.While collection current and voltage signals in real time, running status to electronic mutual inductor is monitored on-line, current and voltage signals and running state data are sent to merging module, realize the comprehensive monitoring of the operation to electronic mutual inductor, improve electronic mutual inductor reliability of operation, the utility model framework is simple, implements simple, effectively reduces cost.

Description

Electronic mutual inductor state collecting device
Technical field
The utility model is related to electronic mutual inductor field of measuring technique, more particularly, to electronic mutual inductor state acquisition Device.
Background technology
Electronic mutual inductor is the important component of digital transformer substation, is different from traditional transformer, its maximum feature It is secondary singal carrying out in-situ digitalization, and is carried out data transmission by optical fiber.Electronic mutual inductor mainly includes once Sensor, harvester, insulation system etc..Wherein according to the difference of insulating structure design, harvester is likely to be brought into high pressure Side or ground potential side.Due to receiving the limitation of energy supply when being placed in high-pressure side, harvester whole realization is relatively simple, work( Consumption is relatively low;When being placed in ground potential, harvester can be directly using station interior power as power supply, and energy supply is sufficient, therefore When being acquired the design of device, can abundant regarded as output controlling, lift the function and performance of harvester.
As the crucial primary equipment of digital transformer substation, the reliably working of electronic mutual inductor is power system stability fortune Capable guarantee.The reliability of electronic mutual inductor is not showed only as the accuracy of Current Voltage collection, more shows as insulating gas The stability of the states such as pressure, partial discharge, dielectric loss, temperature.It is therefore desirable to be monitored in real time to each important state, and it is special Door is monitored on-line for electronic mutual inductor, it is necessary to introduce independent monitoring device, and carry out complete data modeling, and numeral Change electronic mutual inductor quantity in transformer station more, therefore implement extremely complex, and cost is higher.
Utility model content
Based on this, it is necessary to which the reliability for conditional electronic formula transformer is relatively low, and independently monitors electronic mutual inductor Device implement complicated, there is provided a kind of electronic mutual inductor state collecting device for the higher defect of cost.
A kind of electronic mutual inductor state collecting device, including:State sensor and cabinet, the cabinet are used to be installed on On electronic mutual inductor, state acquisition module, collection of simulant signal module and Digital Signal Processing are provided with the cabinet logical Module is interrogated, the state sensor is used to be connected with the electronic mutual inductor, the state sensor and the state acquisition Module is connected, and the state acquisition module and the collection of simulant signal module connect with the Digital Signal Processing communication module Connect, the collection of simulant signal module is used to be connected with the electronic mutual inductor, and the Digital Signal Processing communication module is used It is connected in merging module.
In one embodiment, the quantity of the state sensor be set to it is multiple, multiple state sensors with The state acquisition module connection.
In one embodiment, multiple state sensors are uniformly distributed in the outer surface of the electronic mutual inductor.
In one embodiment, the state sensor includes gaseous state sensor.
In one embodiment, the state sensor includes temperature sensor.
In one embodiment, the state sensor includes humidity sensor.
In one embodiment, in addition to current sensor, the current sensor and the collection of simulant signal module Connection, the current sensor is used to be connected with the electronic mutual inductor.
In one embodiment, in addition to voltage sensor, the voltage sensor and the collection of simulant signal module Connection, the voltage sensor is additionally operable to be connected with the electronic mutual inductor.
In one embodiment, in addition to data processing module, the data processing module and the Digital Signal Processing Communication module is connected.
In one embodiment, in addition to the merging module, the merging module is communicated with the Digital Signal Processing Module is connected.
Above-mentioned electronic mutual inductor state collecting device, while collection current and voltage signals in real time, also to electronics The running status of formula transformer is monitored on-line, and current and voltage signals and running state data are sent to merging mould Block, realizes the comprehensive monitoring of the operation to electronic mutual inductor, so as to improve electronic mutual inductor reliability of operation, it is to avoid Construction electronic mutual inductor on-Line Monitor Device, framework of the present utility model is more simple, implements more simple, effectively reduction Cost.
Brief description of the drawings
Fig. 1 is the module frame chart of the electronic mutual inductor state collecting device of an embodiment;
Fig. 2 is the module frame chart of the electronic mutual inductor state collecting device of another embodiment.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, using certain large-scale provincial power network as Embodiment, the utility model is further elaborated with reference to accompanying drawing.It should be appreciated that specific embodiment described herein Only to explain the utility model, it is not used to limit the utility model.
For example, a kind of electronic mutual inductor state acquisition for being used to gather the state of electronic mutual inductor state collecting device Device, it includes:State sensor and cabinet.For example, the cabinet is used to be installed on the electronic mutual inductor;For example, State acquisition module, collection of simulant signal module and Digital Signal Processing communication module are provided with the cabinet, for example, The state sensor is used to be connected with the electronic mutual inductor, and the state sensor connects with the state acquisition module Connect, the state acquisition module is connected with the Digital Signal Processing communication module, also, the collection of simulant signal module with The Digital Signal Processing communication module connection, for example, the collection of simulant signal module is used for and the electronic mutual inductor Connection, for example, the Digital Signal Processing communication module is used to be connected with merging module.For example, also including the merging module.
As shown in figure 1, one embodiment of the utility model electronic mutual inductor state collecting device, including:State is passed Sensor 110 and cabinet, the cabinet are used to be installed in electronic mutual inductor, the cabinet to be provided with state acquisition module 130th, collection of simulant signal module 150 and Digital Signal Processing communication module 170, the state sensor 110 be used for it is described Electronic mutual inductor is connected, and the state sensor 110 is connected with the state acquisition module 130, the state acquisition module 130 are connected with the collection of simulant signal module 150 with the Digital Signal Processing communication module 170, the analog signal Acquisition module 150 is used to be connected with the electronic mutual inductor, and the Digital Signal Processing communication module 170 is used for merging mould Block 210 is connected.
State sensor 110 is used for the various states for detecting electronic mutual inductor, including air pressure, temperature, humidity etc., example Such as, the state sensor 110 is used to detect barometric information, temperature data and humidity data, for example, electronic mutual inductor is additionally operable to Detect shelf depreciation state, state of insulation and the dielectric loss state of electric mutual inductor;For example, state acquisition module 130 is used for The various states of electronic mutual inductor are gathered, state acquisition module 130 is used for the air pressure number for obtaining the detection of state sensor 110 According to, temperature data and humidity data, and barometric information, temperature data and humidity data are sent to Digital Signal Processing communicate mould Block 170, for example, state acquisition module 130 is additionally operable to obtain state of insulation information and dielectric loss that state sensor 110 is detected Status information;Collection of simulant signal module 150 is used to detecting the current data and voltage data of electronic mutual inductor, and by electric current Data and voltage data are sent to Digital Signal Processing communication module 170;Digital Signal Processing communication module 170 is used to receive shape The data of state acquisition module 130 and collection of simulant signal module 150, for example, Digital Signal Processing communication module 170 is used to receive The analog signal of state acquisition module 130 and collection of simulant signal module 150, and the analog signal is converted into data signal, Send to merging module 210.
Above-mentioned electronic mutual inductor state collecting device, while collection current and voltage signals in real time, also to electronic type The running status of transformer is monitored on-line, and current and voltage signals and running state data are sent to merging module 210, the comprehensive monitoring of the operation to electronic mutual inductor is realized, so as to improve electronic mutual inductor reliability of operation, is kept away Construction electronic mutual inductor on-Line Monitor Device is exempted from, framework of the present utility model is more simple, has implemented more simple, effectively drop Low cost.
In order to more accurately obtain the state of electronic mutual inductor, in one embodiment, referring again to Fig. 1, institute State state sensor 110 quantity be set to it is multiple, multiple state sensors 110 with the state acquisition module 130 Connection.For example, multiple state sensors 110 are uniformly distributed in the outer surface of the electronic mutual inductor.So, Duo Gesuo The state of diverse location on electronic mutual inductor can be detected by stating sensor, so as to obtain more accurate state Data, for example, multiple state sensors 110 are identical state sensor 110, for example, multiple state sensors 110 are same The state sensor 110 of one class, i.e., multiple state sensors 110 are used to detect same type of state, for example, multiple states are passed Sensor 110 is temperature sensor, so, obtains the temperature of multiple positions on electronic mutual inductor surface, enables to electricity The temperature detection of minor transformer is more accurate, it is to avoid the error for the testing result that partial deviations are led to.And for example, multiple states are passed Sensor 110 is different state sensor 110, is set for example, multiple state sensors 110 are different, for example, multiple states are sensed Device 110 is inhomogeneous state sensor 110, i.e., multiple state sensors 110 are respectively used to detect different types of state, example Such as, multiple state sensors 110 are respectively used to detection temperature, humidity, gaseous state etc., in such manner, it is possible to comprehensively obtain electronics The state of formula transformer, so as to effectively realize the monitoring to electronic mutual inductor.
It is noted that electronic mutual inductor is high-voltage electrical equipment, in order to improve security, it is necessary to mutual in electronic type Sulfur hexafluoride (SF6) gas is filled with sensor, to improve the insulating properties of electronic mutual inductor, security is improved.In order to hexafluoro Change sulphur gas to be detected, to obtain the state of electronic mutual inductor in real time, it is to avoid due to leakage of sulfur hexafluoride gas cause Electronic mutual inductor failure, or short circuit, in one embodiment, the state sensor 110 include gaseous state biography Sensor 110, for example, the gaseous state sensor 110 includes baroceptor, for example, the gaseous state sensor 110 is including wet Sensor is spent, for example, the gaseous state sensor 110 includes temperature sensor, specifically, the gaseous state sensor 110 is used In air pressure, the Wei Shui (volume ratios of detection sulfur hexafluoride gas:Ppmv (V is that subscript is represented using volume as parameter) every 1,000,000 Volume number shared by contained humidity in the gas unit volume of part) and temperature etc., so that comprehensively in electronic mutual inductor The gaseous state of sulfur hexafluoride gas is comprehensively monitored, it is to avoid electronic type is mutual caused by leakage of sulfur hexafluoride gas The failure of sensor or short circuit, effectively improve the security of electronic mutual inductor.
In order to realize the comprehensive monitoring to electronic mutual inductor, in one embodiment, the state sensor 110 is wrapped Include temperature sensor.For example, the state sensor 110 includes humidity sensor.In such manner, it is possible to get electronic mutual inductor Temperature, humidity, so as to judge whether electronic mutual inductor abnormal, can effectively improve the reliability of electronic mutual inductor.Example Such as, the state sensor 110 also includes in partial discharge sensor, each embodiment, and partial discharge is shelf depreciation, for example, the state Sensor 110 also includes capacitive electrical formula transformer dielectric loss sensor, for example, the partial discharge sensor is used to detect electronic type The shelf depreciation state and state of insulation of transformer, capacitive electrical formula transformer dielectric loss sensor are used to detect that electronic type is mutual The dielectric loss state of sensor, for example, the partial discharge sensor includes partial discharge tester, the shelf depreciation for detecting measured object Electricity, the measuring method of conventional shelf depreciation includes pulse current method and radio interference voltage method.
In one embodiment, referring again to Fig. 1, in addition to current sensor 151, the current sensor 151 with The collection of simulant signal module 150 is connected, and the current sensor 151 is used to be connected with the electronic mutual inductor.For example, Also include voltage sensor 153, the voltage sensor 153 is connected with the collection of simulant signal module 150, the voltage is passed Sensor 153 is used to be connected with the electronic mutual inductor.Specifically, current sensor 151 and voltage sensor 153 are respectively used to Electronic mutual inductor is connected to, current sensor 151 and voltage sensor 153 are respectively used to detect the electric current of electronic mutual inductor And voltage, so as to obtain the current data and voltage data of electronic mutual inductor, the collection electric current of collection of simulant signal module 150 is passed The current data and voltage data of sensor 151 and voltage sensor 153, and send to Digital Signal Processing communication module 170, enter And realize whether the state of detection electronic mutual inductor is abnormal.In the present embodiment, current sensor 151 includes low-power consumption iron core Coil, Rogowski coil, coaxial capacitance potential dividing ring and capacitive divider etc., voltage sensor 153 include low-power consumption iron-core coil, sieve Family name's coil, coaxial capacitance potential dividing ring and capacitive divider etc..
In one embodiment, referring again to Fig. 1, electronic mutual inductor state collecting device also includes data processing mould Block 230, the data processing module 230 is connected with the Digital Signal Processing communication module 170.For example, the data processing Module 230 is connected by optical fiber with the Digital Signal Processing communication module 170.For example, the data processing module 230 is used for Obtained from the Digital Signal Processing communication module 170 after data signal, data signal is handled, detection data signal is It is no to there is error, when data signal has error, corrected parameter is generated, and the corrected parameter is sent to the data signal Handle communication module 170;The Digital Signal Processing communication module 170, which is additionally operable to receive the data processing module 230, to be sent Corrected parameter, and data signal is modified according to the corrected parameter, obtains revised data signal.
For example, information or data that the data signal is carried include:Current data, voltage data, barometric information, temperature number According to and humidity data, for example, the data processing module 230 be used for obtaining electricity from the Digital Signal Processing communication module 170 After flow data and voltage data, current data and voltage data are handled, detection current data and voltage data whether There is error, generate corrected parameter, and the corrected parameter is sent to the Digital Signal Processing communication module 170;The number Word signal transacting communication module 170 is additionally operable to receive the corrected parameter that the data processing module 230 is sent, and is repaiied according to described Positive parameter is modified to current data and voltage data, revised current data and voltage data is obtained, so that electric Flow data and voltage data are more accurate.
In one embodiment, referring again to Fig. 1, electronic mutual inductor state collecting device also includes merging module 210, the Digital Signal Processing communication module 170 is connected with the merging module 210;For example, merging module is used for by described in The data signal of Digital Signal Processing communication module merges processing, for example, merge coding output.For example, the merging mould Block 210 is additionally operable to be connected with monitoring device, for example, merging module 210 is used for the numeral of Digital Signal Processing communication module 170 Signal is sent to monitoring device, and the merging module 210 is used to include electronic type by what Digital Signal Processing communication module 170 was sent The data signal of each state of transformer merges coding output, and exports to monitoring device, for example, extracting current data, electricity The string data of data, barometric information, temperature data and humidity data is pressed, above-mentioned string data is successively merged, and compiles Code output, for example, above-mentioned string data is successively merged, and carries out Manchester's code output.Monitoring device is to the numeral Signal is handled, parsing, to judge whether electronic mutual inductor state is abnormal, and sends alarm with this.
Specifically, merging module is used to send data signal to monitoring modular.For example, merging module supports light B codes same Step, the μ s of synchronization accuracy≤1, can pass through IEC61850 and FT3 standard agreement output mutual inductor electric currents and voltage, temperature, humidity, pressure By force, strain, vibrate and the various failure volume information of transformer, for example, merging module is used for monitoring device output current number According to, the malfunction of voltage data, temperature data, humidity data, pressure data, strain data, vibration information and transformer Measure information.
Monitoring device is received after current data, voltage data and the running state data that merging module is sent, to electric current number According to, voltage data and the processing and verification of running state data verification, realize to electronic mutual inductor on-line testing and status number According to MMS (Manufacturing Message Specification, manufacture message specification) conversions, and by the on-line testing Data and status data are sent to data analysis device by communication unit, and specifically, data were carried out after MMS conversions, were sent To data analysis device.
Data analysis device is received after the on-line testing data and status data of monitoring device, the real time parsing check number According to and status data, judge verification data and the validity of status data, and defeated according to the classification of verification data and status data Go out alarm signal, alerted.
Specifically, data analysis device by analyze the current data of electronic mutual inductor, voltage data, temperature data, Whether the physics such as humidity data, pressure data, strain data, vibration information numerical quantity is more than predetermined threshold value, electric current and voltage Single-point whether saltus step, whether amplitude be more than predetermined threshold value, and whether sampled data abnormal, and whether synchronised clock abnormal, and then judges Whether electronic mutual inductor is working properly, and when judging that electronic mutual inductor is working properly, then verification data is effective.
The monitoring device is additionally operable to carry out data parsing according to IEC61850 and FT3 standard agreements, by based on data Pretreatment plus the peaceful convolution window of the second order Chinese high accuracy algorithm extracts the amplitude and phase of fundametal compoment, and calculates than poor, angle Difference and combination misalignment, precision curve is drawn according to than poor, angular difference, analyzes the data precision of electronic mutual inductor, and precision is mutated Or precision drift it is exceeded situations such as send alarm, and on-line testing MMS information tables are set up, for example, the monitoring device is additionally operable to By the current data of electronic mutual inductor, voltage data, temperature data, humidity data, pressure data, strain data, vibration letter The failure volume information of breath and transformer carries out MMS conversions, and sets up on-line monitoring MMS information tables, sends to data solution Analysis apparatus.For example, the monitoring device is additionally operable to the current data of electronic mutual inductor, voltage data, temperature data, humidity Data, pressure data, strain data, the failure volume information of vibration information and/or transformer, carry out MMS conversions, and set up Monitor MMS information tables on-line, send to data analysis device.
The data analysis device is used for according to on-line monitoring MMS information tables and on-line testing MMS information tables to electronic type The validity of the verification data of transformer carries out analysis judgment, carries out alarm analysis and assessment and comprehensive descision, the data parsing Device is additionally operable to set alarm level and alarm mode according to instruction, is alerted by default classification information, alarm level, and Form visualization result output, output far and resultant fault statistical report.
Here is a specific embodiment:
In the present embodiment, as shown in Fig. 2 electronic mutual inductor state collecting device includes:State sensor, state are adopted Collect module, collection of simulant signal module, Digital Signal Processing communication module, the state sensor is distributed in electronic mutual inductor Everywhere, the state acquisition module, collection of simulant signal module and Digital Signal Processing communication module are integrated in same machine to body In case, and the cabinet is installed on electronic mutual inductor body.
In the present embodiment, the analog signal input of the collection of simulant signal module passes for the electric current of electronic mutual inductor Feel the analog signal of unit or the output of voltage sensor unit, current sensing unit or the voltage sensor unit includes low-power consumption iron Core coil, Rogowski coil, coaxial capacitance potential dividing ring and capacitive divider etc..
In the present embodiment, the state that described state sensor can be in sensing electronic formula transformer running, including SF6 gaseous states, electronic mutual inductor partial discharge state and capacitive electrical formula transformer dielectric loss etc., the SF6 gaseous states Pressure including SF6 gases, micro- water and temperature etc..
In the present embodiment, the state sensor can be the independent sensor of the sensing only for certain state, or To the different standalone sensors of different states.
In the present embodiment, the state acquisition module is connected with multiple state sensors, while being sensed with multiple states Device is communicated and obtains the corresponding state signal of state sensor.
In the present embodiment, the connection of above-mentioned each module is electric connection, it may for example comprise the connection of 485 interface communications, switch Amount input connection and the output of sensor power supply etc..
In the present embodiment, the Digital Signal Processing communication module is received adopts from state acquisition module and analog signal Collect the data signal of module output, and data signal is handled, generate accurate current and voltage signals and status information.
In the present embodiment, the Digital Signal Processing communication module include man-machine interface, its by fiber optic Ethernet with Host computer is communicated, and Content of communciation includes the upload of data signal, and parameter upload with issuing.In the present embodiment, number It is host computer according to processing module.
In the present embodiment, by Current Voltage check system and corresponding status signal check system, numeral is measured The error for the data signal that signal transacting communication module is sent, handles according to the calculating of host computer, obtains corresponding corrected parameter, Parameter is carried out by man-machine interface and is issued to Digital Signal Processing communication module, and the Digital Signal Processing is received with communication module Corrected parameter from host computer, and processing is modified to corresponding digital signal according to corrected parameter, finally give accurately Current and voltage signals and each status signal.
In the present embodiment, the serial digital signal of the merging module final output based on spread fiber, the signal IEC61850 and FT3 standard agreements are followed, content includes voltage and current signal and each status signal.The IEC61850 standards association View includes IEC61850-7-2, IEC61850-8-1, IEC61850-9-2 and IEC61850-9-2LE.
In the present embodiment, the analog signal input of the collection of simulant signal module senses single from curtage Member, including low-power consumption iron-core coil, Rogowski coil, coaxial capacitance potential dividing ring, capacitive divider, wherein low-power consumption iron-core coil are defeated Go out 0.1A current signals, obtaining 0.25V voltages by 2.5 ohm of precision resister samplings is sampled;Rogowski coil is exported 0.5V voltages, its phase is differential relationship with primary current, therefore needs to be integrated signal processing before sampling or after sampling;Together Axle capacitance partial pressure ring and capacitive divider output about 2V voltage signals.The actual sample rate of collection of simulant signal module is 4000 Point/second.
The state sensor, which includes SF6 gaseous states, electronic mutual inductor partial discharge, capacitive electrical formula transformer medium, to be damaged Consumption etc..Wherein SF6 gaseous states sensor is connected by instrument special purpose interface on SF6 air chambers with the air chamber of electronic mutual inductor It is logical, the status informations such as micro-water content, air pressure, the temperature of SF6 gases are detected using macromolecule membrane capacitance sensing, and be converted into number Word amount, is exported to state acquisition module by 485 interfaces;Electronic mutual inductor partial discharge sensor uses hyperfrequency (UHF, Ultra High Frequency) realization is to the quick detection of Partial discharge signal, analysis and diagnoses, and export partial discharge maximum, discharge time, put The information such as electric type;Capacitive electrical formula transformer dielectric loss sensor is adopted respectively using low current sensor and capacitive divider Collect leakage current and primary voltage, phase angle difference and dielectric dissipation factor tan are calculated according to leakage current and primary voltage σ, wherein, σ is dielectric loss angle, and dielectric dissipation factor tan σ are nondimensional physical quantitys, are active power and reactive power Ratio, the dielectric loss for monitoring capacitive electrical formula transformer, ratio is smaller, illustrates the energy of capacitive electrical formula transformer (active power) loss is smaller, and energy is all used to exchange, and performance is better, and by digital interface by phase angle difference and dielectric loss Factor tan σ are exported to state acquisition module.
Described state acquisition module is connected with multiple state sensors, and state acquisition module includes communication part and electricity Source part, wherein power unit are converted to the insulating power supply that multichannel amplitude is 24V by the power insert of harvester, are many Individual state sensor provides power supply;Communication part is used based on 485 MODBUS agreements, and multiple state sensors can be with It is connected, can also be hung in same group of 485 buses with state acquisition module by independent 485 signal wires respectively;State acquisition mould Block accesses each state sensor by the way of poll, per second to send a visit order, therefore each state sensor is exported The cycle of status information is the several seconds, depending on the number of carry state sensor.
Described Digital Signal Processing communication module receives the number from state acquisition module and collection of simulant signal module Word signal, wherein state acquisition module are communicated by the CAN of backboard with Digital Signal Processing communication module, simulation letter Number acquisition module is larger due to data volume, and data are transmitted by SPI protocol.
In addition, Digital Signal Processing communication module includes man-machine interface part, it can be entered by fiber optic Ethernet with host computer Row communication, Content of communciation includes the upload of data signal, and corrected parameter upload with issuing.Due to being adopted to analog signal The collection of collection and status data, inevitably in the presence of certain droop, so needing analog signal and status number According to being modified.By Current Voltage check system and corresponding status signal check system, measure Digital Signal Processing and lead to The error for the data signal that module is sent is interrogated, according to the calculating of host computer, corresponding corrected parameter is obtained, host computer is by man-machine Interface issues corrected parameter to Digital Signal Processing communication module, and Digital Signal Processing is received from host computer with communication module Corrected parameter, and processing is modified to corresponding digital signal according to corrected parameter, finally give accurate current and voltage signals And each status signal.
, will be all after Digital Signal Processing is completed to the processing of current and voltage signals and each state quantity signal with communication module The digital quantity of signal is packaged into a packet simultaneously, is exported by turn in the way of serial data, and carry out Manchester to it Coding, the speed of serial data is 2.5Mbit/S, and Manchester's code is carried out with 5M/S speed, defeated eventually through optical module Go out, sent after spread fiber to merging module.
It is noted that state sensor, state acquisition module, collection of simulant signal mould involved by the utility model Block and Digital Signal Processing communication module, and gaseous state sensor, temperature sensor, humidity sensor, current sensor, Voltage sensor, data processing module etc., are commercial goods, can be commercially available in market, what the utility model was protected It is position and the annexation of these structures.
It should be noted that in said system embodiment, included modules are simply drawn according to function logic Point, but above-mentioned division is not limited to, as long as corresponding function can be realized;In addition, each functional module is specific Title is also only to facilitate mutually differentiation, is not limited to protection domain of the present utility model.
In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method It can be by program to instruct the hardware of correlation to complete, corresponding program can be stored in read/write memory medium.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of electronic mutual inductor state collecting device, it is characterised in that including:State sensor and cabinet, the cabinet State acquisition module, collection of simulant signal module and numeral are provided with for being installed in electronic mutual inductor, the cabinet Signal transacting communication module, the state sensor is used to be connected with the electronic mutual inductor, the state sensor and institute State state acquisition module connection, the state acquisition module and the collection of simulant signal module with the Digital Signal Processing Communication module is connected, and the collection of simulant signal module is used to be connected with the electronic mutual inductor, the Digital Signal Processing Communication module is used to be connected with merging module.
2. electronic mutual inductor state collecting device according to claim 1, it is characterised in that the state sensor Quantity is set to multiple, and multiple state sensors are connected with the state acquisition module.
3. electronic mutual inductor state collecting device according to claim 2, it is characterised in that multiple state sensings Device is uniformly distributed in the outer surface of the electronic mutual inductor.
4. electronic mutual inductor state collecting device according to claim 2, it is characterised in that the state sensor bag Include gaseous state sensor.
5. electronic mutual inductor state collecting device according to claim 2, it is characterised in that the state sensor bag Include temperature sensor.
6. electronic mutual inductor state collecting device according to claim 2, it is characterised in that the state sensor bag Include humidity sensor.
7. electronic mutual inductor state collecting device according to claim 1, it is characterised in that also including current sense Device, the current sensor is connected with the collection of simulant signal module, and the current sensor is used for mutual with the electronic type Sensor is connected.
8. electronic mutual inductor state collecting device according to claim 1, it is characterised in that also including voltage sensor Device, the voltage sensor is connected with the collection of simulant signal module, and the voltage sensor is additionally operable to and the electronic type Transformer is connected.
9. electronic mutual inductor state collecting device according to claim 1, it is characterised in that also including data processing mould Block, the data processing module is connected with the Digital Signal Processing communication module.
10. electronic mutual inductor state collecting device according to claim 1, it is characterised in that also merge including described Module, the merging module is connected with the Digital Signal Processing communication module.
CN201621194192.5U 2016-10-27 2016-10-27 electronic mutual inductor state collecting device Active CN206460161U (en)

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