CN201594113U - Single-phase electric energy meter with power line carrier communication and remote power on/off control - Google Patents
Single-phase electric energy meter with power line carrier communication and remote power on/off control Download PDFInfo
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- CN201594113U CN201594113U CN2009202883348U CN200920288334U CN201594113U CN 201594113 U CN201594113 U CN 201594113U CN 2009202883348 U CN2009202883348 U CN 2009202883348U CN 200920288334 U CN200920288334 U CN 200920288334U CN 201594113 U CN201594113 U CN 201594113U
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Abstract
The utility model relates to an electric energy meter, particularly to a single-phase electric energy meter with power line carrier communication and remote power on/off control, which comprises a meter body, a control component and a segment code display. The segment code display, a pulse indicator lamp, a power off indicator lamp, an infrared communication indicator lamp, a nameplate and a meter casing lead seal are arranged on the meter casing on the front side of the meter body; a resistance network and a relay component are connected on a control panel inside the meter and both connected with a metering chip; and the metering chip, a carrier wave module and an infrared communication chip I are connected with a microprocessor, the microprocessor is connected on the segment code display and a relay, and the carrier wave module is connected with an power grid access power line. The single-phase electric energy meter adopts the carrier wave module, the infrared communication chip, the microprocessor and the relay to realize remote intelligent power on/off control.
Description
Technical field
The utility model relates to a kind of electric energy meter, especially a kind of single-phase electric energy gauging table with electric line carrier communication and remote on/off electric control function.
Background technology
In recent years, China has striden into the informationalized epoch in the big step, people's work, life and communicate by letter and the relation of information tight day by day, informationized society has also proposed challenge to some traditional theories in life style that progressively changes people and work habit.Realize that distribution automation and raising distribution operation level and marketing management robotization are the developing direction of power department.Along with the expansion of expanding economy and cities and towns scale, the increase day by day of flow of personnel, the workload of checking meter is also big more.The mode that checks the electric meter from house to house obviously has been not suitable for, and paying of uncertain factor also is the linear synchronous growth.Cause the inaccurate and mistake that causes is copied, mistake is copied happens occasionally with dispute, to the protest fee phenomenon brings influence to the image and the benefit of national enterprise operation, restricted the development again of enterprise.
Summary of the invention
The utility model provides a kind of single-phase electric energy meter, and this electric energy meter is the power carrier communication of transmission channel by power circuit, by the power circuit electric control, realizes remote concentrated ammeter reading, the break-make of Long-distance Control electric supply meter, the intelligent management of electricity consumption.Can save human resources, improve the accuracy of checking meter, reduce, make management of power supply and power utilization department can promptly and accurately obtain data message because of estimating or transcribing and cause bill to make mistakes.
The technical scheme that its technical matters that solves the utility model adopts is:
Single-phase electric energy meter with electric line carrier communication and remote on/off electric control, comprise table body, control assembly and segment encode display, the watchcase in its table body front is provided with segment encode display, pulse pilot lamp, power failure lamp, infrared communication pilot lamp, nameplate and watchcase lead sealing; Being connected with resistor network in the table body internal control making sheet links to each other with computation chip respectively with relay assembly, computation chip, carrier module and I infrared communication chip and microprocessor join, microprocessor is connected on segment encode display and the relay, carrier module and electrical network enter line of electric force and join, and the power supply power pack links to each other with carrier module digital display circuit power supply with microprocessor FM2307 respectively, links to each other with electric energy computation chip ADE7755 simulation system power supply.
Described single-phase electric energy meter with electric line carrier communication and remote on/off electric control, resistor network and relay assembly join with electric energy computation chip ADE7755 respectively in the control assembly, electric energy computation chip ADE7755 joins with microprocessor FM2307 and pulse pilot lamp, carrier module and infrared communication chip join with microprocessor FM2307 respectively, microprocessor FM2307 is connected on segment encode display and the relay
The beneficial effects of the utility model are:
1. support the remote on/off electric control,, realize distant place automatic meter-reading and distant place power on/off according to the ammeter address by Automatic meter reading system by line carrier communication interface.
2. have the channel reliability height, the small investment instant effect is with advantageous advantage such as power grid construction is synchronous.
3. electric line carrier communication is to utilize existing AC power cord as communication line, has saved unpractical shop lineman's journey, has remarkable advantages.
4. need not to increase any accessory kit, just can realize remote data acquisition and remote on/off control reliably.
5. adopt the spread spectrum carrier communication technology, the extension frequency carrier technology has overcome the deficiency of power carrier in the past, all has stronger repellence for various types of interference.
6. after the outage, all storage data can keep more than 10 years.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is that the framework that the utility model control assembly constitutes connects synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, table body of the present utility model is square box shape, the positive upper middle of table body top watchcase 2 portion is provided with segment encode display 3, the bottom of display is provided with pulse pilot lamp 7, power failure lamp 6, two infrared communication pilot lamp 4, the bottom is provided with label 5 explanations model specification of the present utility model, watchcase top is provided with lead sealing 1 bottom and is provided with lead sealing 9, and the positive basifacial of table body is provided with lead-in wire Lead seal for a housing 8.
As shown in Figure 2, the type of attachment design proposal of the utility model control section: the utility model is to calculate by the power to electrical network to the metering of circuit electric energy, and power is added up in time, just obtains charge value.Based on the above theoretical electric energy computation chip ADE7755 that adopts.Respectively voltage signal and current signal are sampled by the vent diverter in resistor network and the relay assembly, deliver to electric energy computation chip ADE7755, carry out multiplying at the amplification of the inner process of computation chip difference, A/D conversion and multiplier circuit, finish the instantaneous power of the electric energy that is measured and measure; Again by low-pass filtering and " numeral/frequency " converter, output and the proportional frequency pulse signal of metering electric energy average power, wherein high-frequency impulse output is sent into microprocessor FM2307 and is handled, write down total electric weight and with data feed-in line of electric force such as electric weight, when long-range carrier wave command signal by line of electric force during via the carrier chip of multiple frequency selection network incoming carrier table, this chip is reduced to digital signal with the carrier wave command signal demodulation of input, and send into the carrier chip of carrier wave meter, carrier chip is removed spreading code according to internal processes and is promptly carried out the data despreading from digital signal, and read the effective instruction of stipulating in concentrator and the carrier wave meter communication protocol according to the data after the despreading, finish this and instruct desired operation, finish result behind the instruction manipulation (as the copy reading electric weight, data such as time on copy reading date) be modulated to the carrier wave answer signal by chip again and introduce corresponding spreading code and promptly carry out feed-in power line communication channel after the spread processing, realize centralized automatic meter-reading; The electric current of electric energy of being measured obtains voltage signal by the vent diverter in relay assembly sampling, by the difference discharge road of ADE7755 chip internal voltage signal is amplified (wherein enlargement factor can be set to 1,2,8 and 16 times) again, signal after the amplification converts digital signal proportional with it to through A/D, enters an input end of digital multiplier more then through the DC component in digital phase correcting and the high-pass filtering removal signal.
Be measured the voltage signal of electric energy through resistor network sampling, signal is amplified on difference discharge road by the ADE7755 chip internal, convert digital signal proportional to through A/D again with it, enter another input end of digital multiplier and the signal of current channel and carry out multiplying, finish the instantaneous power of the electric energy that is measured and measure.
Multiplier output instantaneous power is carried out Integral Processing by wave digital lowpass filter and is entered " numeral/frequency " converter, be transformed into and the proportional frequency pulse signal of the electric energy average power that is measured (being divided into high-frequency pulse signal and low frequency pulse signal), wherein high-frequency impulse outputs to verification and Microprocessor Interface, in this machine, the low-frequency pulse pin of ADE7755 is unsettled.Pulse input signal is input to microprocessor FM2307 through after the opto-electronic conversion.After micro-control processor FM2307 receives pulse signal, by the input pulse number being added up and realizing electric energy metrical according to pulse constant size.Microcontroller FM2307 to low-voltage power line, realizes carrier communication through carrier chip output data information by serial communication, can be used for the remote automatic meter reading of electric energy meter.Microcontroller FM2307 can carry out data communication by carrier interface or infrared interface and palm PC, realizes field adjustable, function such as finish that parameter is provided with.
Claims (2)
1. the single-phase electric energy meter that has electric line carrier communication and remote on/off electric control, comprise table body, control assembly and segment encode display, it is characterized in that the watchcase in table body front is provided with segment encode display, pulse pilot lamp, power failure lamp, infrared communication pilot lamp, nameplate and watchcase lead sealing; Being connected with resistor network in the table body internal control making sheet links to each other with computation chip respectively with relay assembly, computation chip, carrier module and I infrared communication chip and microprocessor join, microprocessor is connected on segment encode display and the relay, carrier module and electrical network enter line of electric force and join, and the power supply power pack links to each other with carrier module digital display circuit power supply with microprocessor FM2307 respectively, links to each other with electric energy computation chip ADE7755 simulation system power supply.
2. the single-phase electric energy meter with electric line carrier communication and remote on/off electric control according to claim 1, it is characterized in that, resistor network and relay assembly join with electric energy computation chip ADE7755 respectively in the control assembly, electric energy computation chip ADE7755 joins with microprocessor FM2307 and pulse pilot lamp, carrier module and infrared communication chip join with microprocessor FM2307 respectively, and microprocessor FM2307 is connected on segment encode display and the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202883348U CN201594113U (en) | 2009-12-23 | 2009-12-23 | Single-phase electric energy meter with power line carrier communication and remote power on/off control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202883348U CN201594113U (en) | 2009-12-23 | 2009-12-23 | Single-phase electric energy meter with power line carrier communication and remote power on/off control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594113U true CN201594113U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202883348U Expired - Lifetime CN201594113U (en) | 2009-12-23 | 2009-12-23 | Single-phase electric energy meter with power line carrier communication and remote power on/off control |
Country Status (1)
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| CN (1) | CN201594113U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996274A (en) * | 2014-05-21 | 2014-08-20 | 石红坤 | Ammeter wireless reading device and method |
| CN106249012A (en) * | 2016-08-10 | 2016-12-21 | 浙江恒业电子有限公司 | Kenya's single-phase STS split electric energy meter open air table body |
| CN108983004A (en) * | 2018-08-06 | 2018-12-11 | 国网山东省电力公司淄博供电公司 | The mobile 10kV line loss metering device of one or two fusions |
| CN109188068A (en) * | 2018-08-06 | 2019-01-11 | 国网山东省电力公司淄博供电公司 | Three-stage is U-shaped adjustable to charge installation high-voltage meter |
| CN110187232A (en) * | 2019-05-08 | 2019-08-30 | 国网江苏省电力有限公司泰州供电分公司 | A kind of intelligent monitoring device for matching electricity consumption synchronous data sampling suitable for low-voltage platform area |
-
2009
- 2009-12-23 CN CN2009202883348U patent/CN201594113U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996274A (en) * | 2014-05-21 | 2014-08-20 | 石红坤 | Ammeter wireless reading device and method |
| CN103996274B (en) * | 2014-05-21 | 2016-02-03 | 石红坤 | Ammeter is wireless reading device and method |
| CN106249012A (en) * | 2016-08-10 | 2016-12-21 | 浙江恒业电子有限公司 | Kenya's single-phase STS split electric energy meter open air table body |
| CN108983004A (en) * | 2018-08-06 | 2018-12-11 | 国网山东省电力公司淄博供电公司 | The mobile 10kV line loss metering device of one or two fusions |
| CN109188068A (en) * | 2018-08-06 | 2019-01-11 | 国网山东省电力公司淄博供电公司 | Three-stage is U-shaped adjustable to charge installation high-voltage meter |
| CN110187232A (en) * | 2019-05-08 | 2019-08-30 | 国网江苏省电力有限公司泰州供电分公司 | A kind of intelligent monitoring device for matching electricity consumption synchronous data sampling suitable for low-voltage platform area |
| CN110187232B (en) * | 2019-05-08 | 2021-09-03 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring device suitable for synchronous acquisition of power distribution and utilization data of low-voltage transformer area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hunnan New Network street Shenyang city Liaoning province 110179 No. 8 Patentee after: NORTH SMART EQUIPMENT CO.,LTD. Address before: Hunnan New Network street Shenyang city Liaoning province 110179 No. 8 Patentee before: SHENYANG FASHION ENTERPRISE Co.,Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191014 Granted publication date: 20100929 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100929 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20191223 Granted publication date: 20100929 |