CN105185552A - Code division multiple access (CDMA) communication-based transformer - Google Patents
Code division multiple access (CDMA) communication-based transformer Download PDFInfo
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- CN105185552A CN105185552A CN201510607943.5A CN201510607943A CN105185552A CN 105185552 A CN105185552 A CN 105185552A CN 201510607943 A CN201510607943 A CN 201510607943A CN 105185552 A CN105185552 A CN 105185552A
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Abstract
The invention relates to a code division multiple access (CDMA) communication-based transformer, which comprises an oil tank, a transformer body and a CDMA communication system, wherein the CDMA communication system is used for monitoring a real-time state of the transformer; the transformer body comprises a detection winding; when output data of the detection winding pass through a collection module, a CDMA module is triggered; the collection module outputs the collected data of the transformer to a signal receiving module through the CDMA module; the collected data are transmitted to a data processing module through the signal receiving module; data processing and predetermined data comparison are carried out through the data processing module; a data comparison result is output; and the data processing module is connected to a display terminal for displaying.
Description
Technical field
The present invention relates to a kind of transformer based on visible ray communication, can be used for the output current detecting transformer, guarantee the stable operation of transformer, belong to the Intelligent Measurement field of transformer.
Background technology
The communication equipment of distribution network systems has and is much exposed to outdoor, bad environments, therefore must can resist high temperature, low temperature, Exposure to Sunlight, drench with rain, the invasion and attack of the natural environment such as wind and snow, hail and thunder and lightning, simultaneously, avoid various electromagnetic interference as far as possible, ensure the work of long time stability, and require when line outage, communication system still can normally work, CDMA communication can solve the problem that the communication modes such as GSM short message, intelligent acess bring, by monitoring the operation conditions of transformer, optimize distribution operational mode; Break down or misoperation time, report to the police rapidly, recover normal power supply in time, reduce interruption duration, ensure the safe operation of transformer; Recording voltage threshold crossing time, calculating voltage qualification rate, thus conservative control level level, improve power supply quality.
Because the communication technology of cdma network is ripe, coverage rate is wide again, utilizes cdma wireless communication mode to realize the Real-time Collection of transformer parameter, the maximum utilization beyond doubt to existing resource.The method that the distribution transformer real-time monitoring and management system of public network utilizes the cdma network communication technology and network microprocessor technology to combine; solve transformer parameter remote transmission problem; the function of realization and the monitoring of alarm, real-time data acquisition and Real-time Load; the present invention can realize tripping operation in turn to overload loop and automatically recover; all transmission line circuits of failure transformer are directly excised; can effectively guide rural area peak load and control; and available protecting transformer; reduce the complaint of client; invest little, result of use is good.In order to reduce the space of the module that transformer current detects, and facilitating communication, adopting the detection system of cdma communication to detect the electric current of transformer, simultaneously also can energy savings.
For solving technical problem of the present invention, the technical scheme adopted is: a kind of transformer based on CDMA communication, comprise Oil Tank, transformer body, CDMA communication system, described Oil Tank is arranged on the left of transformer body, described transformer body comprises skeleton, magnetic core, former limit winding, detects winding, vice-side winding, described former limit winding, magnetic core, detection winding, vice-side winding are all fixed on skeletal internal, and described transformer also arranges CDMA communication system outward.
Summary of the invention
The present invention mainly provides a kind of transformer based on CDMA communication, comprise Oil Tank, transformer body, CDMA communication system, described Oil Tank is arranged on the left of transformer body, described transformer body comprises former limit winding, magnetic core, detection winding, vice-side winding described in skeleton, magnetic core, former limit winding, detection winding, vice-side winding and is all fixed on skeletal internal, and described transformer also arranges CDMA communication system outward.
Described CDMA communication system comprises acquisition module, CDMA module, signal receiving module, data processing module, display terminal, by described CDMA module radio communication between described acquisition module and described signal receiving module, described CDMA module is private-line mode access Internet, there is fixing IP address, fixing special line is had to be connected with Internet in real time, when will gather the data on substation when main website, main website first sends a short message to notify substation to substation, after substation receives short message, automatic program execution connects Internet, start data processing module, and be connected with the Internet that main website sets up based on TCP/IP according to the fixed ip address of main website, afterwards, just transfer of data can be carried out between main website and substation, described acquisition module is by signal sensor, filter, trans-impedance amplifier and low noise amplifier composition, described transformer secondary embeds described detection winding, described detection winding is the electric current for detecting transformer, when the output current of described detection winding is through described acquisition module, CDMA module is triggered, acquisition module exports the electric current of the transformer collected to signal receiving module via CDMA module, then described data processing module is sent to through signal receiving module, data processing and predetermined Data Comparison is carried out through described data processing module, export Data Comparison result, then data processing module is connected the display of described display terminal, described data processing module is by the process of DM642 current image process software, the transmission of fixing buffering area for view data is distributed in DM642, then this data are preserved at display terminal, the state of real-time detection transformer.
Described acquisition module, CDMA module, signal receiving module, data processing module, display terminal are that cascade system connects, the output of described acquisition module connects the input of CDMA module, the input of the output connection signal receiver module of described CDMA module, the input of the output connection data processing module of described signal receiving module, the output of described data processing module connects the input of described display terminal.
The transfer of data of wherein said CDMA module adopts EM IV Modem can transmit data by TCP/IP mode.Described CDMA module comprises server, router and fire compartment wall.Described filter comprises a high pass filter and a low pass filter, and high pass filter is used for the direct current of filtering photodetector, and low pass filter is used for filter away high frequency noise.
Described optical signal detector, filter, trans-impedance amplifier and low noise amplifier adopt cascade system to be connected, the output of described optical signal detector connects the input of described filter, the output of described filter connects the input of trans-impedance amplifier, and the output of described trans-impedance amplifier connects the input of low noise amplifier.
Described signal sensor is the electric current that described magnetic test coil can be detected, meritorious/capacity of idle power can also be detected, A, B, C three-phase voltage, A, B, C, N tetra-line current, power factor, become actuator temperature, the voltage signal automatic analysis statistics overvoltage cumulative time that described data processing module also can gather according to acquisition module, under-voltage for a long time between, voltage monitoring total time, minimax magnitude of voltage and time of origin, on super according to voltage, the lower limit time, the rate of qualified voltage of meter life, display terminal can show voltage examination curve statistical analysis result all can form or curve form display and print.
Described detection winding is identical winding with described vice-side winding, and just the number of turn is different.Described detection winding is coiled into by aluminum steel, and the number of turn is 1/20 ~ 1/10 of vice-side winding, and described detection winding is made up of a part of coiling of vice-side winding self.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, patent of the present invention is described further:
Fig. 1 is the structured flowchart of the transformer based on CDMA communication
Fig. 2 is CDMA communication system architectures block diagram
Symbol description in figure:
100-transformer
200-Oil Tank
300-CDMA communication system
310-acquisition module
320-CDMA module
330-signal receiving module
340-data processing module
350-display terminal
Embodiment
Technical problem to be solved by this invention, for overcoming weak point of the prior art, provides a kind of simple structure, reduces costs, and the transformer of the CDMA communication of the energy checkout equipment actual current of convenient monitoring.
With reference to accompanying drawing 1,2, a kind of transformer with CDMA monitoring system, comprise Oil Tank 200, transformer body 100, CDMA communication system 300, described Oil Tank is arranged on the left of transformer body, described transformer body comprises former limit winding, magnetic core, detection winding, vice-side winding described in skeleton, magnetic core, former limit winding, detection winding, vice-side winding and is all fixed on skeletal internal, and described transformer also arranges CDMA communication system 300 outward.
Described CDMA communication system comprises acquisition module 310, CDMA module 320, signal receiving module 330, data processing module 340, display terminal 350, by described CDMA module 320 radio communication between described acquisition module 310 and described signal receiving module 330, described CDMA module 320 is private-line mode access Internet, there is fixing IP address, fixing special line is had to be connected with Internet in real time, when will gather the data on substation when main website, main website first sends a short message to notify substation to substation, after substation receives short message, automatic program execution connects Internet, start data processing module, and be connected with the Internet that main website sets up based on TCP/IP according to the fixed ip address of main website, afterwards, just transfer of data can be carried out between main website and substation, described acquisition module is by signal sensor, filter, trans-impedance amplifier and low noise amplifier composition, described transformer secondary embeds described detection winding, described detection winding is the data for detecting transformer, when the output current of described detection winding is through described acquisition module 310, CDMA module 320 is triggered, acquisition module 310 exports the electric current of the transformer collected to signal receiving module 330 via CDMA module, then described data processing module 340 is sent to through several signal receiving module 330, data processing and predetermined Data Comparison is carried out through described data processing module 340, export Data Comparison result, then data processing module is connected described display terminal 350 to show, described data processing module is by the process of DM642 current image process software, the transmission of fixing buffering area for view data is distributed in DM642, then this data are preserved at display terminal, the state of real-time detection transformer.
Described acquisition module 310, CDMA module 320, signal receiving module 330, data processing module 340, display terminal 350 are cascade system connection, the output of described acquisition module 310 connects the input of CDMA module 320, the input of the output connection signal receiver module 330 of described CDMA module 320, the input of the output connection data processing module 340 of described signal receiving module 330, the output of described data processing module 340 connects the input of described display terminal 350.
The transfer of data of wherein said CDMA module adopts EM IV Modem can transmit data by TCP/IP mode, and described CDMA module comprises road server, by device and fire compartment wall.
Described filter comprises a high pass filter and a low pass filter, and high pass filter is used for the direct current of filtering photodetector, and low pass filter is used for filter away high frequency noise.
Described optical signal detector, filter, trans-impedance amplifier and low noise amplifier adopt cascade system to be connected, the output of described optical signal detector connects the input of described filter, the output of described filter connects the input of trans-impedance amplifier, and the output of described trans-impedance amplifier connects the input of low noise amplifier.
Described signal sensor is the device that electric current on described detection winding can be detected.Described detection winding is identical winding with described vice-side winding, and just the number of turn is different.Described detection winding is coiled into by aluminum steel, the number of turn is 1/20 ~ 1/10 of vice-side winding, described detection winding is made up of a part of coiling of vice-side winding self, described acquisition module is except gathering the electric current of described magnetic test coil, meritorious/capacity of idle power can also be gathered, A, B, C three-phase voltage, A, B, C, N tetra-line current, power factor, become actuator temperature, described data processing module also can according to acquisition module gather voltage signal automatic analysis statistics the overvoltage cumulative time, under-voltage for a long time between, voltage monitoring total time, minimax magnitude of voltage and time of origin.Surpass the upper and lower limit time according to voltage, the rate of qualified voltage of meter life, display terminal can show voltage examination curve statistical analysis result all can form or curve form display and print; Also by analyzing three-phase symmetrical rate, power factor curve; Load prediction, described data processing module can contrast the data of the described magnetic test coil detected in real time and tentation data, analyze the qualification rate of data, curve plotting, described display terminal shows the data of data processing module output with form or graph curve mode.
The server of described CDMA selects HPProLiantML370G3 server.HPML370G3 is special is process network-caching, VPN Virtual intends private network, traffic management, and serves as the function server of web host.HPML370G3 is highly versatile, is easy to the two-way platform of management.HPML370G3 has following technical characterstic: processor: standard configuration 1 IntelXeon2.40GHz processor (supporting 2) standard configuration internal memory: 512MB2 road interlocks PC2100DDRSDRAM, speed of service 200MHz.
Claims (10)
1. the transformer based on CDMA communication, it is characterized in that: comprise Oil Tank, transformer body, CDMA communication system, described transformer body comprises former limit winding, magnetic core, detection winding, vice-side winding described in skeleton, magnetic core, former limit winding, detection winding, vice-side winding and is all fixed on skeletal internal, and described transformer also arranges CDMA communication system outward.
2. the transformer based on CDMA communication according to claim 1, it is characterized in that: wherein said CDMA communication system comprises acquisition module, CDMA module, signal receiving module, data processing module, display terminal, by described CDMA module radio communication between described acquisition module and described signal receiving module, described CDMA module is private-line mode access Internet, there is fixing IP address, fixing special line is had to be connected with Internet in real time, when will gather the data on substation when main website, main website first sends a short message to notify substation to substation, after substation receives short message, automatic program execution connects Internet, start data processing module, and be connected with the Internet that main website sets up based on TCP/IP according to the fixed ip address of main website, afterwards, just transfer of data can be carried out between main website and substation, described acquisition module is by signal sensor, filter, trans-impedance amplifier and low noise amplifier composition, described transformer secondary embeds described detection winding, described detection winding is the electric current for detecting transformer, when the output current of described detection winding is through described acquisition module, CDMA module is triggered, acquisition module exports the data of the transformer collected to signal receiving module via CDMA module, then described data processing module is sent to through signal receiving module, data processing and predetermined Data Comparison is carried out through described data processing module, export Data Comparison result, then data processing module is connected the display of described display terminal, described data processing module is by the process of DM642 current image process software, the transmission of fixing buffering area for view data is distributed in DM642, then this data are preserved at display terminal, the state of real-time detection transformer.
3. the transformer based on CDMA communication according to claim 2, it is characterized in that: described acquisition module, CDMA module, signal receiving module, data processing module, display terminal are that cascade system connects, the output of described acquisition module connects the input of CDMA module, the input of the output connection signal receiver module of described CDMA module, the input of the output connection data processing module of described signal receiving module, the output of described data processing module connects the input of described display terminal.
4. the transformer based on CDMA communication according to claim 3, is characterized in that: the transfer of data of wherein said CDMA module adopts EM IV Modem can transmit data by TCP/IP mode.
5. the transformer based on CDMA communication according to claim 4, is characterized in that: described CDMA module comprises server, router and fire compartment wall.
6. the transformer based on CDMA communication according to claim 5, it is characterized in that: described filter comprises a high pass filter and a low pass filter, high pass filter is used for the direct current of filtering photodetector, and low pass filter is used for filter away high frequency noise.
7. the transformer based on CDMA communication according to claim 6, it is characterized in that: described optical signal detector, filter, trans-impedance amplifier and low noise amplifier adopt cascade system to be connected, the output of described optical signal detector connects the input of described filter, the output of described filter connects the input of trans-impedance amplifier, and the output of described trans-impedance amplifier connects the input of low noise amplifier.
8. the transformer based on CDMA communication according to claim 7, it is characterized in that: described signal sensor is the electric current that described magnetic test coil can be detected, / the capacity of idle power of gaining merit of described magnetic test coil can also be detected, A, B, C three-phase voltage, A, B, C, N tetra-line current, power factor, transformer temperature, the voltage signal automatic analysis statistics overvoltage cumulative time that described data processing module also can gather according to acquisition module, under-voltage for a long time between, voltage monitoring total time, minimax magnitude of voltage and time of origin, on super according to voltage, the lower limit time, the rate of qualified voltage of meter life, display terminal can show voltage examination curve statistical analysis result all can form or curve form display.
9. the transformer based on CDMA communication according to claim 8, is characterized in that: described detection winding is identical winding with described vice-side winding, and just the number of turn is different.
10. the transformer based on CDMA communication according to claim 9, is characterized in that: described detection winding is coiled into by aluminum steel, and the number of turn is 1/20 ~ 1/10 of vice-side winding, and described detection winding is made up of a part of coiling of vice-side winding self.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607943.5A CN105185552A (en) | 2015-09-22 | 2015-09-22 | Code division multiple access (CDMA) communication-based transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607943.5A CN105185552A (en) | 2015-09-22 | 2015-09-22 | Code division multiple access (CDMA) communication-based transformer |
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| CN105185552A true CN105185552A (en) | 2015-12-23 |
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Citations (5)
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|---|---|---|---|---|
| KR100713835B1 (en) * | 2007-02-13 | 2007-05-02 | (주)도울정보기술 | Power distribution apparatus for streetlight control and management system |
| CN101907647A (en) * | 2009-06-03 | 2010-12-08 | 珠海市伊特高科技有限公司 | Distribution transformer monitoring and metering terminal |
| CN102854366A (en) * | 2012-09-12 | 2013-01-02 | 西安交通大学 | Low current measuring device and low current measuring method in direct-current power distribution and consumption system |
| CN104215825A (en) * | 2014-08-20 | 2014-12-17 | 国家电网公司 | Comprehensive online monitoring system for power transformer |
| CN205069349U (en) * | 2015-09-22 | 2016-03-02 | 波瑞电气有限公司 | Transformer based on CDMA communication |
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2015
- 2015-09-22 CN CN201510607943.5A patent/CN105185552A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100713835B1 (en) * | 2007-02-13 | 2007-05-02 | (주)도울정보기술 | Power distribution apparatus for streetlight control and management system |
| CN101907647A (en) * | 2009-06-03 | 2010-12-08 | 珠海市伊特高科技有限公司 | Distribution transformer monitoring and metering terminal |
| CN102854366A (en) * | 2012-09-12 | 2013-01-02 | 西安交通大学 | Low current measuring device and low current measuring method in direct-current power distribution and consumption system |
| CN104215825A (en) * | 2014-08-20 | 2014-12-17 | 国家电网公司 | Comprehensive online monitoring system for power transformer |
| CN205069349U (en) * | 2015-09-22 | 2016-03-02 | 波瑞电气有限公司 | Transformer based on CDMA communication |
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