CN107561392A - Low-voltage distribution network circuit health status monitors device and its application process on-line - Google Patents
Low-voltage distribution network circuit health status monitors device and its application process on-line Download PDFInfo
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- CN107561392A CN107561392A CN201710920154.6A CN201710920154A CN107561392A CN 107561392 A CN107561392 A CN 107561392A CN 201710920154 A CN201710920154 A CN 201710920154A CN 107561392 A CN107561392 A CN 107561392A
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Abstract
The invention belongs to technical field of power systems, is related to a kind of low-voltage distribution network circuit health status on-line monitoring device and its application.Including power line, A/D sampling modules, MCU module, voltage display module, data memory module, temperature detecting module, carrier wave IC modules, carrier wave coupling module and power management module, wherein, A/D sampling modules electrically connect with power line, MCU module respectively；Carrier wave coupling module electrically connects with power line, carrier wave IC modules respectively；Carrier wave IC modules also electrically connect with MCU module；Voltage display module, data memory module and temperature detecting module electrically connect with MCU module；Power management module electrically connects with power line.A kind of low-voltage distribution network circuit health status on-line monitoring device provided by the invention and its application, realize single carrier wave passage, technology extension is provided to increase identical route network modularization monitoring device in follow-up low pressure acquisition system, provide a kind of Portable movable monitoring device, brought convenience for monitoring, improve operating efficiency.
Description
Technical field
It is online more particularly, to a kind of low-voltage distribution network circuit health status the invention belongs to technical field of power systems
Monitor and its application.
Background technology
Existing low voltage monitoring system, it is monitored primarily directed to the first and last end of transformer low voltage circuit, so as to analyze
The working voltage quality of low-voltage circuit.In low-voltage circuit, influenceing the factor of quality of voltage has a many kinds, including low-voltage circuit
Coverage, the line footpath size of low-voltage circuit（Current-carrying capacity）, the load condition of circuit, the load nature of electricity consumed of user's carry equipment, T connects
Whether the contact of point is good etc., can all cause the spread of voltage of circuit.Voltage monitoring is divided into actively monitoring and passive monitoring, main
Dynamic monitoring, it is that voltage monitoring instrument, the voltage change situation of actively monitoring low-voltage circuit are installed in line end；And existing quilt
Dynamic monitoring, it is that customer complaint voltage exception, power supply personnel to in-site measurement voltage occurs.The problem of actively monitoring is present is cloth
Point is few, and is confined to radio communication, and the low situation of the rate of reaching the standard grade occurs in monitor；Passive monitoring, then become because influenceing voltage
The uncertain factor of change, the situation of change of voltage can not be measured, so as to have impact on low-voltage circuit operating state health analysis
Accuracy.
In the prior art, the data exchange channels of equipment are based on carrier communication, and arrowband scheme has a variety of tune at present
Mode processed, and can not interconnect；If this equipment needs to be incorporated in current low pressure acquisition system, the carrier wave run at the scene
Must be compatible with the carrier communication mode of equipment.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of low-voltage distribution network circuit health status to supervise online
Device and its application are surveyed, realizes single carrier wave passage, is the identical route network modularization monitoring of increase in follow-up low pressure acquisition system
Equipment provides technology extension.
To solve the above problems, technical scheme provided by the invention is：A kind of low-voltage distribution network circuit health status is supervised online
Device is surveyed, wherein, including power line, A/D sampling modules, MCU module, voltage display module, data memory module, temperature detection mould
Block, carrier wave IC modules, carrier wave coupling module and power management module,
Described A/D sampling modules electrically connect with power line, MCU module respectively, will for the change of trace simulation input signal
Analog-signal transitions export for the data-signal of character pair, realize the test of ac voltage；
Described carrier wave coupling module electrically connects with power line, carrier wave IC modules respectively, for receiving or sending power line channel
Carrier signal；
Described carrier wave IC modules are also electrically connected with MCU module, and for receiving or sending carrier signal, number is realized with MCU module
According to interaction, router-level topology is carried out；
Described voltage display module, data memory module and temperature detecting module electrically connects with MCU module；
Described power management module electrically connects with power line, for realize whole detector device electric energy conversion, distribution and
Detection, and operating supply voltage is provided.
Further, in addition to temperature sensor, described temperature sensor electrically connect with temperature detecting module.
The present invention also provides a kind of application of low-voltage distribution network circuit health status on-line monitoring device, wherein, including：
S1. A/D sampling modules trace simulation input signal, by analog-signal transitions for character pair data-signal export to
MCU module, using RMS algorithms, ac voltage is tested, and test result is shown by voltage display module；
S2. after the temperature sensor of temperature detecting module changes temperature data, using IC chip, temperature value is calculated, and lead to
Cross SPI communication mouth to interact with MCU module, MCU obtains test result values；
S3. carrier wave coupling module receives the carrier signal of power line channel, superfluous by selectfrequency communication filter circuit, signal input
Carrier wave IC modules are transmitted a signal to after remaining circuit；
S4. the carrier signal of reception is demodulated by carrier wave IC modules, parses corresponding bitstream data, i.e., certain rule
Communication protocol data frame；And corresponding communication protocol data frame is modulated into carrier signal and exported, through overdrive circuit, carry
It is sent to after ripple coupling module on power line；Meanwhile carrier wave IC modules realize data interaction with MCU module, by descending protocol frame
MCU module is forwarded to, after MCU module receives instruction, prefabricated feature operation is performed or instruction performs, the related letter of response
Cease carrier wave IC modules.
Compared with prior art, beneficial effect is：A kind of low-voltage distribution network circuit health status provided by the invention is supervised online
Device and its application are surveyed, realizes single carrier wave passage, is the identical route network modularization prison of increase in follow-up low pressure acquisition system
Measurement equipment provides technology extension, there is provided a kind of Portable movable monitoring device, is brought convenience for monitoring, improves work effect
Rate.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is chip ML610Q496D structural representations of the present invention.
Fig. 3 is A/D sampling modules structural representation of the present invention.
Fig. 4 is carrier wave coupling module structural representation of the present invention.
Fig. 5 is carrier wave IC modular structure schematic diagrams of the present invention.
Fig. 6 is power management module structural representation of the present invention.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in figure 1, a kind of low-voltage distribution network circuit health status on-line monitoring device, wherein, including power line, A/D sampling
Module, MCU module, voltage display module, data memory module, temperature detecting module, carrier wave IC modules, carrier wave coupling module with
And power management module；A/D sampling modules electrically connect with power line, MCU module respectively, the change for trace simulation input signal
Change, analog-signal transitions are exported for the data-signal of character pair, realize the test of ac voltage；Carrier wave coupling module point
Do not electrically connected with power line, carrier wave IC modules, for receiving or sending the carrier signal of power line channel；Carrier wave IC modules also with
MCU module electrically connects, and for receiving or sending carrier signal, realizes data interaction with MCU module, carries out router-level topology；Voltage
Display module, data memory module and temperature detecting module electrically connect with MCU module；Power management module and power line electricity
Connection, for realizing conversion, distribution and the detection of whole detector device electric energy, and provide operating supply voltage.
Specifically, in addition to temperature sensor, temperature sensor electrically connect with temperature detecting module.
As shown in Fig. 2 MCU module includes chip ML610Q496.
As shown in figure 3, A/D modules include resistance R1 to R10, electric capacity C1 to C5, inductance L1, inductance L2, transformer and
Rectifier bridge, R1 one end are connected with live wire, and the other end is linked in sequence with R2 to R9, and the R9 other end and the input of transformer connect
Connect, the first output end of transformer is connected with inductance L1, and the output end of transformer second is connected with inductance L2, rectification circuit, electric capacity
C5, resistance R10 are parallel between inductance L1 and inductance L2, are connected after in parallel with chip ML610Q496；The output end of transformer first
Electric capacity C1, electric capacity C1 other end ground connection are also associated between inductance L1；Between the output end of transformer second and inductance L2 also
It is connected with electric capacity C3, electric capacity C3 other end ground connection；Electric capacity C2 is connected between rectification circuit and inductance L1, electric capacity C2's is another
End ground connection；Electric capacity C4, electric capacity C4 other end ground connection are connected between rectification circuit and inductance L2.
As shown in figure 4, carrier wave coupling module includes electric capacity C6 to C8, inductance L3, TVS diode and transformer, electric capacity
C6 one end is connected with live wire, the input connection of the other end and transformer, electricity in parallel is distinguished between electric capacity C6 and electric capacity input
Feel L3 and electric capacity C7；The output end difference shunt capacitance C8 and TVS diode of transformer, one end in parallel connects with carrier wave IC modules
Connect.
As shown in figure 5, carrier wave IC modules include chip RISE3802, the TX EN pins of carrier wave IC modules couple with carrier wave
Module connects；Chip RISE3802 IO32 pins are connected with chip ML610Q496D P70/RXD2 pins, chip
RISE3802 IO30 pins are connected with chip ML610Q496D P42/RXDO pins, chip RISE3802 IO31 pins with
Chip ML610Q496D P43/RXDO pins connection.
A kind of application of low-voltage distribution network circuit health status on-line monitoring device, wherein, including：
S1. A/D sampling modules trace simulation input signal, by analog-signal transitions for character pair data-signal export to
MCU module, using RMS algorithms, ac voltage is tested, and test result is shown by voltage display module；
S2. after the temperature sensor of temperature detecting module changes temperature data, using IC chip, temperature value is calculated, and lead to
Cross SPI communication mouth to interact with MCU module, MCU obtains test result values；
S3. carrier wave coupling module receives the carrier signal of power line channel, superfluous by selectfrequency communication filter circuit, signal input
Carrier wave IC modules are transmitted a signal to after remaining circuit；
S4. the carrier signal of reception is demodulated by carrier wave IC modules, parses corresponding bitstream data, i.e., certain rule
Communication protocol data frame；And corresponding communication protocol data frame is modulated into carrier signal and exported, through overdrive circuit, carry
It is sent to after ripple coupling module on power line；Meanwhile carrier wave IC modules realize data interaction with MCU module, by descending protocol frame
MCU module is forwarded to, after MCU module receives instruction, prefabricated feature operation is performed or instruction performs, the related letter of response
Cease carrier wave IC modules.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (3)
1. a kind of low-voltage distribution network circuit health status monitors device on-line, it is characterised in that including power line, A/D sampling modules,
MCU module, voltage display module, data memory module, temperature detecting module, carrier wave IC modules, carrier wave coupling module and electricity
Source control module, wherein,
Described A/D sampling modules electrically connect with power line, MCU module respectively, will for the change of trace simulation input signal
Analog-signal transitions export for the data-signal of character pair, realize the test of ac voltage；
Described carrier wave coupling module electrically connects with power line, carrier wave IC modules respectively, for receiving or sending power line channel
Carrier signal；
Described carrier wave IC modules are also electrically connected with MCU module, and for receiving or sending carrier signal, number is realized with MCU module
According to interaction, router-level topology is carried out；
Described voltage display module, data memory module and temperature detecting module electrically connects with MCU module；
Described power management module electrically connects with power line, for realize whole detector device electric energy conversion, distribution and
Detection, and operating supply voltage is provided.
2. a kind of low-voltage distribution network circuit health status on-line monitoring device according to claim 1, it is characterised in that also include
Temperature sensor, described temperature sensor electrically connect with temperature detecting module.
A kind of 3. application of low-voltage distribution network circuit health status on-line monitoring device, it is characterised in that including：
S1. A/D sampling modules trace simulation input signal, by analog-signal transitions for character pair data-signal export to
MCU module, using RMS algorithms, ac voltage is tested, and test result is shown by voltage display module；
S2. after the temperature sensor of temperature detecting module changes temperature data, using IC chip, temperature value is calculated, and lead to
Cross SPI communication mouth to interact with MCU module, MCU obtains test result values；
S3. carrier wave coupling module receives the carrier signal of power line channel, superfluous by selectfrequency communication filter circuit, signal input
Carrier wave IC modules are transmitted a signal to after remaining circuit；
S4. the carrier signal of reception is demodulated by carrier wave IC modules, parses corresponding bitstream data, i.e., certain rule
Communication protocol data frame；And corresponding communication protocol data frame is modulated into carrier signal and exported, through overdrive circuit, carry
It is sent to after ripple coupling module on power line；Meanwhile carrier wave IC modules realize data interaction with MCU module, by descending protocol frame
MCU module is forwarded to, after MCU module receives instruction, prefabricated feature operation is performed or instruction performs, the related letter of response
Cease carrier wave IC modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710920154.6A CN107561392A (en) | 2017-09-30 | 2017-09-30 | Low-voltage distribution network circuit health status monitors device and its application process on-line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710920154.6A CN107561392A (en) | 2017-09-30 | 2017-09-30 | Low-voltage distribution network circuit health status monitors device and its application process on-line |
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| CN107561392A true CN107561392A (en) | 2018-01-09 |
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| CN104183103A (en) * | 2014-08-12 | 2014-12-03 | 西安工程大学 | Field debugging system for online power transmission line monitoring devices and debugging method thereof |
| CN204376947U (en) * | 2014-04-04 | 2015-06-03 | 广州昀峰电气有限公司 | A kind of multiple wireless temperature, voltage intelligent monitoring device based on web technology |
| CN105703802A (en) * | 2016-02-29 | 2016-06-22 | 中电装备山东电子有限公司 | Power line broadband carrier communication device |
| CN205545253U (en) * | 2016-01-20 | 2016-08-31 | 深圳市银河表计股份有限公司 | Hand -held type low pressure power line carrier monitor |
| CN207301202U (en) * | 2017-09-30 | 2018-05-01 | 广东电网有限责任公司梅州供电局 | Low-voltage distribution network circuit health status monitors device on-line |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1499741A (en) * | 2002-11-11 | 2004-05-26 | 西北工业大学 | Protocol of power line carrier communication and equipment thereof |
| CN1707277A (en) * | 2004-06-09 | 2005-12-14 | 上海久隆电力科技有限公司 | Distribution line fault monitoring system |
| CN2870030Y (en) * | 2006-02-07 | 2007-02-14 | 南京超表科技有限公司 | Multifunction concentrater |
| CN102313856A (en) * | 2010-06-30 | 2012-01-11 | 北京泰优美科技有限责任公司 | Intelligent 10kV power line state sensor |
| CN102355283A (en) * | 2011-09-23 | 2012-02-15 | 青岛鼎信通讯有限公司 | ASIC (application-specific integrated circuit) chip applicable to low-voltage power line carrier communication |
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| CN204376947U (en) * | 2014-04-04 | 2015-06-03 | 广州昀峰电气有限公司 | A kind of multiple wireless temperature, voltage intelligent monitoring device based on web technology |
| CN104183103A (en) * | 2014-08-12 | 2014-12-03 | 西安工程大学 | Field debugging system for online power transmission line monitoring devices and debugging method thereof |
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| CN105703802A (en) * | 2016-02-29 | 2016-06-22 | 中电装备山东电子有限公司 | Power line broadband carrier communication device |
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