CN201654125U - Low voltage line loss meter - Google Patents
Low voltage line loss meter Download PDFInfo
- Publication number
- CN201654125U CN201654125U CN2009201603602U CN200920160360U CN201654125U CN 201654125 U CN201654125 U CN 201654125U CN 2009201603602 U CN2009201603602 U CN 2009201603602U CN 200920160360 U CN200920160360 U CN 200920160360U CN 201654125 U CN201654125 U CN 201654125U
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- line loss
- power supply
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Abstract
The utility model relates to a low voltage centralized meter reading system meter reading machine for acquiring dweller electric meter. The utility model discloses a low voltage line loss meter, including a keyboard, a ROM, a CPU (data processor), a data memory, a display screen, a serial communication interface and a wireless communication interface, and a power supply providing power for the meter, including a multifunctional electric meter processing module and a 485 communication interface, wherein the keyboard, the data memory, the multifunctional electric meter processing module and the ROM are connected to the CPU, the CPU is connected to the display screen, and the 485 communication interface, the serial communication interface, the wireless communication interface are connected to the data memory. The utility model is easy to operate, and can better perform measurement and analysis to the low voltage line loss.
Description
Technical field
The utility model relates to a kind of low-voltage collecting meter reading system meter reader that is used to gather resident's ammeter meter.Be specifically related to a kind of low-voltage line loss measurement instrument.
Background technology
The low pressure line loss is important economic and technical norms of power supply enterprise, is power supply enterprise's planning and design level, and the concentrated expression of production technology and management level is directly connected to the economic benefit of power supply enterprise.Along with the implementation of the project of expanding economy and power supply enterprise's low pressure centralized automatic meter-reading, also more and more higher for the requirement of low pressure line loss management.The work of low pressure line loss is measured by power supply enterprise before, is to utilize the manual metering data, calculates the line loss data.Its shortcoming is the integrality that is difficult to accomplish data, and because more than resident's quantity, manual measurement is difficult for accomplishing the homogeneity of data.Referring to Fig. 1, the function of low-voltage collecting meter reading system meter reader is to gather the ammeter that the resident shows to count in the collector from low-voltage collecting meter reading system to have good luck.But it does not gather the function that table of merit rating is had good luck, and does not calculate the function of arbitrary period electric weight yet, so can not obtain the data of line loss from meter reader.
The utility model content
The purpose of this utility model provides a kind of easy to operate, can be good at the low-voltage line loss measurement instrument that the low pressure line loss is measured and analyzed.
In order to achieve the above object, the utility model has following technical scheme:
A kind of low-voltage line loss measurement instrument of the present utility model, comprise keyboard, ROM, CPU (data processor), data-carrier store, display screen, serial communication interface, wireless communication interface, the power supply of power supply is provided for measuring instrument, also comprise multifunction electric table handing module, 485 communications letter interface, wherein: described keyboard, data-carrier store, multifunction electric table handing module, ROM connect CPU, CPU connects display screen, and described 485 communication interfaces, serial communication interface, wireless communication interface connect data-carrier store.
Wherein, described power supply comprises power supply, standby power supply.
Owing to taked above technical scheme, advantage of the present utility model is:
1 the utility model can be gathered, store the ammeter that the resident shows to count and have good luck, and can gather again, store table of merit rating and have good luck, and can also calculate the arbitrary period electric weight, so can obtain the data of line loss from the low-voltage collecting meter reading system meter reader.
2 the utility model are easy to operate, and are easy to utilize.
Description of drawings
Fig. 1 is the synoptic diagram of low-voltage collecting meter reading system meter reader;
Fig. 2 is a block diagram of the present utility model.
Among the figure: 1, keyboard; 2, ROM;
3, CPU; 4, data-carrier store;
5, multifunction electric table handing module;
6, display screen; 7, serial communication interface;
8,485 communication interfaces; 9, wireless communication interface;
10, power supply.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Referring to Fig. 2, a kind of low-voltage line loss measurement instrument of the present utility model, form by keyboard 1, ROM2, CPU3, data-carrier store 4, multifunction electric table handing module 5, display screen 6, serial communication interface 7,485 communications letter interface 8, wireless communication interface 9, power supply 10, described keyboard 1, data-carrier store 4, multifunction electric table handing module 5, ROM2 connect CPU3, CPU 3 connects display screen 6, described 485 communication interfaces 8, serial communication interface 7, wireless communication interface 9 connect data-carrier store 4, and described power supply/standby power supply 10 is above-mentioned module for power supply.
The function of each ingredient of low-voltage line loss measurement instrument of the present utility model is as follows:
Wireless communication interface 9: be used for reading the real-time ammeter that the resident of collector shows to count in the low-voltage collecting meter reading system and have good luck, it is next step line loss based measurement that the ammeter that reads is had good luck.
485 communication interfaces 8: the real-time ammeter that is used for reading the table of merit rating meter of concentrator in the low-voltage collecting meter reading system is had good luck, and it is next step line loss based measurement that the ammeter that reads is had good luck.
Serial communication interface 7: the data importing that is used for measuring and analyzing makes data manipulation more convenient in computing machine.
Data-carrier store 4: be used for storing read out and the various data through handling and analyzing, and can guarantee after the power down not obliterated data.
CPU (data processor) 3: major function is to handle that low pressure resident ammeter is had good luck and the ammeter of the table of merit rating meter handled by the multifunction electric table handing module is had good luck, and calculates the platform district low pressure line loss of arbitrary period according to demand, and analyzes various line loss data.CPU3 adopts INTEL8088 embedded type low-power consumption microchip.
Multifunction electric table handing module 5: rough handling is had good luck (comprising data such as forward is meritorious, voltage, electric current, power) by the ammeter of the table of merit rating meter that 485 communication interfaces 8 collect, calculating and the analysis having only the table of merit rating of handling to have good luck just to participate in line loss.
Keyboard 1: adopt 26 rubber key, but input digit, letter and arithmetical operation symbol.
Display screen 6: the ammeter that shows each ammeter is had good luck, low-voltage line undermines the analysis data.Display screen 6 adopts 128 cun * 128 cun LCDs.
Power supply/standby power supply 10: for the normal operation of this low-voltage line loss measurement instrument provides power supply.
The utility model has been realized the measurement of low pressure line loss, the accuracy rate of measuring height, and can provide analysis result timely, help further research to the low pressure line loss.
With certain district is example, before can't detail statistics this distinguish each resident's table and take into account the ammeter of table of merit rating meter and have good luck, this district is after installing low-voltage collecting meter reading system, the real-time ammeter that utilizes low-voltage line loss measurement instrument can obtain each resident of this district and table of merit rating is had good luck, and calculates the line loss data of arbitrary period thus.As shown in table 1: its demonstration be the low pressure line loss data in May, 2009, its maximal value is 6.97%, occurs in of that month 30 days, its minimum value is 5.45%.
Count this district's low pressure line loss and help analysis and research, make it to manage science and standardization more resident's low pressure line loss.Table 2 is this district's low pressure line loss of coming out integral point low pressure line loss situations on May 3rd, 2009.Its demonstration be the low pressure line loss data on May 3rd, 2009, its maximal value is 22.75%, occurs in point on the same day 0; Its minimum value is 0.58%, occurs in point on the same day 9.
Table 1
Table 2
| On 05 03rd, 2009 | 0:00? | 1:00? | 2:00? | 3:00? | 4:00? | 5:00? | 6:00? | 7:00? |
| Delivery (KWh) | 24? | 18? | 12? | 12? | 12? | 12? | 30? | 30? |
| Electricity sales amount (KWh) | 18.54? | 15.51? | 11.83? | 11.87? | 9.59? | 11.76? | 26.68? | 27.89? |
| Loss electric weight (KWh) | 5.46? | 2.49? | .17? | .13? | 2.41? | .24? | 3.32? | 2.11? |
| Line loss per unit (%) | 22.75? | 13.83? | 1.42? | 1.08? | 20.08? | 2? | 11.07? | 7.03? |
| On 05 03rd, 2009 | 8:00? | 9:00? | 10:00? | 11:00? | 12:00? | 13:00? | 14:00? | 15:00? |
| Delivery (KWh) | 30? | 24? | 30? | 48? | 42? | 30? | 30? | 24? |
| Electricity sales amount (KWh) | 25.87? | 23.86? | 28.29? | 44.68? | 38.22? | 26.71? | 26.77? | 23.06? |
| Loss electric weight (KWh) | 4.13? | .14? | 1.71? | 3.32? | 3.78? | 3.29? | 3.23? | .94? |
| Line loss per unit (%) | 13.77? | .58? | 5.7? | 6.92? | 9? | 10.97? | 10.77? | 3.92? |
| On 05 03rd, 2009 | 16:00? | 17:00? | 18:00? | 19:00? | 20:00? | 21:00? | 22:00? | 23:00? |
| Delivery (KWh) | 24? | 42? | 48? | 42? | 54? | 54? | 42? | 30? |
| Electricity sales amount (KWh) | 22.52? | 38.07? | 42.94? | 40.2? | 51.38? | 52.07? | 38.7? | 24.62? |
| Loss electric weight (KWh) | 1.48? | 3.93? | 5.06? | 1.8? | 2.62? | 1.93? | 3.3? | 5.38? |
| Line loss per unit (%) | 6.17? | 9.36? | 10.54? | 4.29? | 4.85? | 3.57? | 7.86? | 17.93? |
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that the technical solution of the utility model extends out or change still are in protection domain of the present utility model.
Claims (2)
1. low-voltage line loss measurement instrument, comprise keyboard, ROM, CPU, data-carrier store, display screen, serial communication interface, wireless communication interface, the power supply of power supply is provided for measuring instrument, it is characterized in that: also comprise multifunction electric table handing module, 485 communications letter interface, wherein: described keyboard, data-carrier store, multifunction electric table handing module, ROM connect CPU, and CPU connects display screen, and described 485 communication interfaces, serial communication interface, wireless communication interface connect data-carrier store.
2. a kind of low-voltage line loss measurement instrument as claimed in claim 1, it is characterized in that: described power supply comprises power supply, standby power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201603602U CN201654125U (en) | 2009-06-23 | 2009-06-23 | Low voltage line loss meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201603602U CN201654125U (en) | 2009-06-23 | 2009-06-23 | Low voltage line loss meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654125U true CN201654125U (en) | 2010-11-24 |
Family
ID=43119370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201603602U Expired - Fee Related CN201654125U (en) | 2009-06-23 | 2009-06-23 | Low voltage line loss meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654125U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970178A (en) * | 2012-10-25 | 2013-03-13 | 中国电力科学研究院 | Local communication performance analyzer of low-pressure concentrated meter reading terminal |
| CN103063952A (en) * | 2012-12-20 | 2013-04-24 | 余姚市供电局 | Line loss concentrator |
| CN104360225A (en) * | 2014-10-17 | 2015-02-18 | 国家电网公司 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
-
2009
- 2009-06-23 CN CN2009201603602U patent/CN201654125U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970178A (en) * | 2012-10-25 | 2013-03-13 | 中国电力科学研究院 | Local communication performance analyzer of low-pressure concentrated meter reading terminal |
| CN103063952A (en) * | 2012-12-20 | 2013-04-24 | 余姚市供电局 | Line loss concentrator |
| CN104360225A (en) * | 2014-10-17 | 2015-02-18 | 国家电网公司 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
| CN104360225B (en) * | 2014-10-17 | 2017-02-15 | 国家电网公司 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130623 |