CN202632517U - Intelligent voltage data monitoring concentrator - Google Patents
Intelligent voltage data monitoring concentrator Download PDFInfo
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- CN202632517U CN202632517U CN2012202625719U CN201220262571U CN202632517U CN 202632517 U CN202632517 U CN 202632517U CN 2012202625719 U CN2012202625719 U CN 2012202625719U CN 201220262571 U CN201220262571 U CN 201220262571U CN 202632517 U CN202632517 U CN 202632517U
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- intelligent voltage
- voltage monitoring
- data concentrator
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 230000011664 signaling Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an intelligent voltage data monitoring concentrator. The intelligent voltage data monitoring concentrator comprises a control module, a display module, a key module, a power supply module, an alternating-current sampling module, a communication module, a meter reading interface and a network module, wherein the display module, the key module, the power supply module, the alternating-current sampling module, the communication module, the meter reading interface and the network module are respectively connected with the control module. After the structure is adopted, not only is the problem of incorrect D-type voltage monitoring solved, but also the equipment cost is reduced. The intelligent voltage-monitoring-data concentrator disclosed by the utility model has the characteristics of small size, low power consumption, convenience in installation, good reliability and maintenance-free effect and the like.
Description
Technical field
The utility model relates to a kind of data concentrator, especially a kind of intelligent voltage Monitoring Data concentrator.
Background technology
Data concentrator is one of key equipment of power consumer power information acquisition system, and it is uploaded to the main website of system after the resident's ammeter data that collects is concentrated, and the operating condition of monitoring form meter.
Voltage is the important indicator of the quality of power supply; Voltage is monitored in real time and statistics is uploaded to main website; Carry out statistical study such as rate of qualified voltage, for power supply department provides high-quality electric energy and service that significance is arranged to the client, this part function is accomplished by voltage monitoring instrument usually.
According to the requirement of State Grid Corporation of China's " about accelerating the instruction of marketing modernization construction " and " national grid " 12 " Electric Power Network Planning and the year two thousand twenty prospect ", need monitor and data acquisition with specially becoming public affairs change up to 50 kilovolt-amperes.According to the statistics of 310 power supply enterprises is shown, public become with specially become the total platform number of substation transformer should be more than 1,000,000, and annual 12% the rate of growth that is not less than, and under each public change a data concentrator must be installed at least.In addition, because the continuous development of demand Side Management, the power marketing system on average updates 6 years cycles, and because the variation of communication mode and Content of Communication is quite huge, when changing the main website of system, the terminal also must be changed thereupon.
Along with the develop rapidly of society, people's living standard and scientific and technological level have obtained improving constantly, and various high-tech new products have also obtained widespread use, and power supply reliability and quality of voltage seem more and more important for electric power enterprise.Installation or renewal voltage monitoring instrument have become an important process of power supply enterprise.Along with the resident improves constantly what quality of voltage (D class rate of qualified voltage) required; Voltage monitoring cloth number of spots can get more and more; To the demand of voltage monitoring instrument, especially the quantity to the voltage monitoring instrument that is used for D class rate of qualified voltage monitoring will significantly increase.And; For D class voltage; Because load variations, line are directly less than normal or radius of electricity supply is excessive, circuit is circuitous etc., cause occurring low pressure 220V feeder voltage head end residential customers terminal voltage higher (during low ebb), and the situation of while far-end residential customers terminal voltage (during the peak) on the low side.Chose typical low-voltage circuit head end and actual conditions terminal, that method that adopt every Bai Tai district to establish a voltage monitoring point can not adapt to voltage monitoring in the past.
The utility model content
The utility model provides a kind of intelligent voltage Monitoring Data concentrator, has solved the inaccurate problem of D class voltage monitoring, has reduced equipment cost.
In order to address the above problem; The utility model adopts following technical scheme: intelligent voltage Monitoring Data concentrator; It is characterized in that; Comprise control module, display module, key-press module, power module, AC sampling module, communication module, check meter interface and mixed-media network modules mixed-media, said display module, key-press module, power module, AC sampling module, communication module, the interface of checking meter are connected with control module respectively with mixed-media network modules mixed-media.
Further, the said interface of checking meter comprises the 3 tunnel separate RS485 interface of checking meter.
Further, said mixed-media network modules mixed-media comprises Ethernet interface.
Further, said communication module comprises infrared communication module and GPRS/CDMA wireless communication module.
Further, said control module comprises ARM technical grade chip LPC1768.
Further, also comprise RS485 interface, RS232 interface and remote signalling interface, said RS485 interface, RS232 interface and remote signalling interface are connected with control module respectively.
The beneficial effect of the utility model is: after adopting said structure, the utility model has not only solved the inaccurate problem of D class voltage monitoring, and has reduced equipment cost, has that volume is little, power consumption is few, installation is convenient, good reliability and characteristics such as non-maintaining.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1; A kind of intelligent voltage Monitoring Data concentrator of the utility model; It comprises control module, display module, key-press module, power module, AC sampling module, communication module, check meter interface and mixed-media network modules mixed-media, and said display module, key-press module, power module, AC sampling module, communication module, the interface of checking meter are connected with control module respectively with mixed-media network modules mixed-media.Wherein, the said interface of checking meter comprises the 3 tunnel separate RS485 interface of checking meter; Said mixed-media network modules mixed-media comprises Ethernet interface; Said communication module comprises infrared communication module and GPRS/CDMA wireless communication module; Said control module adopts ARM technical grade chip LPC1768, and its practicality is good, and speed is fast, and anti-interference is good; The high-capacity FLASH data storage effectively prevents loss of data, entanglement.
Further, the utility model can also be provided with RS485 interface, RS232 interface and remote signalling interface, and said RS485 interface, RS232 interface and remote signalling interface are connected with control module respectively.
Be the course of work of this utility model below:
The utility model is gathered the corresponding data of electric energy meter in real time and is sent to control module through the three tunnel separate RS48 interface of checking meter; And the AC sampling module can provide the input of 1～3 road 220V AC signal in order to monitored voltage is carried out the effective value sampling; Sampling period per second 1 time, and with acquisition data storage.Got the mean value of voltage pretreatment values in 1 minute as a statistic unit in 1 minute, as representing the instant actual motion voltage of monitored equipment.Control module uploads to host computer with all data through GPRS/CDMA wireless network or ethernet network, can show related data through display module according to the instruction of key-press module input simultaneously.In addition, the utility model can carry out this locality communication through infrared communication module or local RS485 interface, carries out a contact remote signalling input operation through the remote signalling interface.
The utlity model has following characteristics:
1, multifunction, intellectuality, miniaturization concentrator are developed, and meet the developing direction of electrical power distribution automatization system.
2, satisfy the requirement of power information collection and voltage quality monitoring on the function simultaneously, the investment of having saved power supply department.
3, propose the improvement algorithm of the AC sampling and the quality of power supply, in the collection metering module design of concentrator, analyzed the influence of AC sampling error, propose the improvement strategy of synchronized sampling algorithm; To the power calculation error that the current transformer phase drift causes, the method for Digital Detecting and phase compensation is proposed; In the harmonic measure based on FFT, how research eliminates the improvement of aperiodic component and FFT operation efficiency, to obtain more high-precision harmonic content.
4, design multimode data communication interface circuit; The needs of communicating by letter to power information acquisition system and the multiple level of electrical power distribution automatization system; Design a kind of can the adaptation: the interface circuit of broadband/plurality of communication schemes such as GPRS/CDMA/RS485 fieldbus, satisfy the requirement of power information acquisition system data communication.
5, the high-performance of hardware designs, high reliability adopt modular design, and each intermodule carries out effective electrical isolation, as the processing module of core, adopts the ARM technical grade chip powerful, that antijamming capability is strong.
Except that the described structure of the utility model, all the other are prior art.
The above is the preferred implementation of the utility model; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also are regarded as the protection domain of the utility model.
Claims (6)
1. intelligent voltage Monitoring Data concentrator; It is characterized in that; Comprise control module, display module, key-press module, power module, AC sampling module, communication module, check meter interface and mixed-media network modules mixed-media, said display module, key-press module, power module, AC sampling module, communication module, the interface of checking meter are connected with control module respectively with mixed-media network modules mixed-media.
2. intelligent voltage Monitoring Data concentrator according to claim 1 is characterized in that, the said interface of checking meter comprises the 3 tunnel separate RS485 interface of checking meter.
3. intelligent voltage Monitoring Data concentrator according to claim 1 is characterized in that said mixed-media network modules mixed-media comprises Ethernet interface.
4. intelligent voltage Monitoring Data concentrator according to claim 1 is characterized in that said communication module comprises infrared communication module and GPRS/CDMA wireless communication module.
5. intelligent voltage Monitoring Data concentrator according to claim 1 is characterized in that said control module comprises ARM technical grade chip LPC1768.
6. intelligent voltage Monitoring Data concentrator according to claim 1 is characterized in that also comprise RS485 interface, RS232 interface and remote signalling interface, said RS485 interface, RS232 interface and remote signalling interface are connected with control module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202625719U CN202632517U (en) | 2012-06-05 | 2012-06-05 | Intelligent voltage data monitoring concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202625719U CN202632517U (en) | 2012-06-05 | 2012-06-05 | Intelligent voltage data monitoring concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202632517U true CN202632517U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202625719U Expired - Fee Related CN202632517U (en) | 2012-06-05 | 2012-06-05 | Intelligent voltage data monitoring concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202632517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137232A (en) * | 2015-08-25 | 2015-12-09 | 国网北京市电力公司 | Meter monitoring method and device |
-
2012
- 2012-06-05 CN CN2012202625719U patent/CN202632517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137232A (en) * | 2015-08-25 | 2015-12-09 | 国网北京市电力公司 | Meter monitoring method and device |
| CN105137232B (en) * | 2015-08-25 | 2018-01-16 | 国网北京市电力公司 | meter monitoring method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150605 |
|
| EXPY | Termination of patent right or utility model |