CN101312362A - Power line carrier and radio frequency bi-network electrical energy meter, communication method thereof - Google Patents
Power line carrier and radio frequency bi-network electrical energy meter, communication method thereof Download PDFInfo
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- CN101312362A CN101312362A CNA200710108093XA CN200710108093A CN101312362A CN 101312362 A CN101312362 A CN 101312362A CN A200710108093X A CNA200710108093X A CN A200710108093XA CN 200710108093 A CN200710108093 A CN 200710108093A CN 101312362 A CN101312362 A CN 101312362A
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Abstract
Disclosed is a power line carrier (PLC) and radio frequency (RF) dual network electric energy meter and a communication method thereof, which is at least composed of a PLC duplex communication circuit, a RF duplex communication circuit, a multifunctional specific integral circuit or a CPU or MCU or DSP data processing controller, an electric energy metering circuit, a display circuit and a power supply circuit. The electric energy meter utilizes the dual network of a power line carrier (PLC) network and a radio frequency (RF) network to work synchronously, automatically selects the optimum network in the dual network to perform duplex communication to a primary station. When communication between the electric energy meter and the primary station is hindered, the electric energy meter can utilize the same mode to perform automatic routing to the other electric energy meters which are successfully communicated to the primary station, and then massage exchange between the electric energy meter and the primary station, thereby significantly increasing the speed and reliability of network communication of the electric energy meter.
Description
Affiliated technical field
The present invention relates to a kind of power line carrier PLC and radio frequency dual network electric energy meter and communication mode, belong to the electric energy meter network communication device and make the field.
Background technology
Traditional electric energy meter adopts the information exchange between realization of RS485 leased-line communication method and the main website usually at present, this communication mode, in addition wiring topology, investment are big, and circuit has damage slightly, will influence the transmission and the exchange of signal, thereby just progressively be replaced by other communication modes.The power line carrier plc communication has inborn network advantage, but second-rate because of domestic electrical network, and it is reliable and in time that simple electrification line carrier wave plc communication technology is difficult at present to guarantee that information transmits; Radio frequency communication technology mature and reliable, but the dead angle is arranged and penetrate the weak shortcoming of obstacle ability.
Summary of the invention
Purpose of the present invention: overcome the shortcoming of prior art, provide a kind of communication timely, the power line carrier PLC that reliability is high and radio frequency dual network electric energy meter and communication mode.
The object of the present invention is achieved like this: a kind of power line carrier PLC and radio frequency dual network electric energy meter, at least constitute by multi-functional application-specific integrated circuit (ASIC) or CPU or MCU or DSP data processing controller, ic for energy metering, display circuit and power circuit, be characterized in also comprising PLC two-way communication circuit and RF two-way communication circuit, described multi-functional application-specific integrated circuit (ASIC) or CPU or MCU or DSP data processing controller all are connected with foregoing circuit.
Use the communication means of above-mentioned power line carrier PLC and radio frequency dual network electric energy meter, be characterized in may further comprise the steps:
(1) electric energy meter utilizes power line carrier PLC and radio frequency dual network to work simultaneously, and selects optimal network and main website in the dual network directly to carry out two-way communication automatically by described PLC two-way communication circuit and described RF two-way communication circuit.
(2) when electric energy meter and main website two-way communication are smooth, electric energy meter is by described PLC two-way communication circuit and described RF two-way communication circuit, utilize power line carrier PLC and radio frequency dual network to work simultaneously, and select the optimal network in the dual network to carry out automatic route with the electric energy meter of main website success communication automatically with other, realize information exchange with main website.
The invention has the beneficial effects as follows: electric energy meter can utilize multiple communication path to realize and the information exchange of main website, has improved electric energy meter network service reliability and speed greatly.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a theory diagram of the present invention.
Embodiment
The technical solution adopted in the present invention is: as shown in Figure 1, power line carrier PLC and radio frequency dual network electric energy meter, at least constitute by multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP), ic for energy metering, display circuit and power circuit, comprise PLC two-way communication circuit and RF two-way communication circuit in addition, multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP) all is connected with foregoing circuit.The electric power signal that ic for energy metering produced in the electric energy meter inputs to the signal input part of multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP), deposits memory in after the wherethrough reason; Display shows the relevant electricity consumption data of electric energy meter operation; The infrared communication mouth is convenient to the personnel of main website and is instructed the user profile of storing in the electric energy meter to be presented on the screen of display by the mode of infrared remote control; Power circuit provides energy for other circuit; The PLC two-way communication circuit is made of CPU, carrier frequency modulation circuit, carrier frequency demodulator circuit and two-way tuner, realizes electric energy meter carrier communication function by power line carrier PLC network; The RF two-way communication circuit is made of CPU, Base-Band Processing and modulation, phase-locked loop circuit (PLL/VCO), transmission and receiving circuit, realizes electric energy meter radio communication function by the radio frequency network.
Utilize the communication means of power line carrier PLC and radio frequency dual network electric energy meter, (1) electric energy meter is by PLC two-way communication circuit and RF two-way communication circuit, utilize power line carrier PLC and radio frequency dual network to work simultaneously, and select optimal network and main website in the dual network directly to carry out two-way communication automatically.PLC two-way communication circuit operation principle: the power information signal that sends from multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP), through the CPU of this communications portion handle, carrier frequency modulation, two-way tuner be sent to main website by power line carrier PLC network after tuning; The carrier frequency demodulator circuit receives signal from power line carrier PLC network by two-way tuner, after the carrier frequency demodulation, this signal is sent to the CPU of this communications portion, sends to multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP) after treatment; RF two-way communication circuit operation principle: from the power information signal that sends of multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP), after the CPU of this communications portion handles, baseband signal is carried out through transtation mission circuit baseband signal is modulated on the radio frequency after filtering, amplification shaping, the modulation through Base-Band Processing and modulation circuit, and after carrying out power amplification, send by open radio frequency network; Radio-frequency (RF) receiving circuit is carried out the radiofrequency signal of receiving demodulation, is amplified and to be reduced into baseband signal after Base-Band Processing and demodulator circuit carry out baseband signal filtering, amplify after the shaping to this communications portion CPU, is sent to multi-functional application-specific integrated circuit (ASIC) (or CPU or MCU or DSP) after treatment.
(2) when electric energy meter and main website two-way communication are smooth, electric energy meter is by described PLC two-way communication circuit and described RF two-way communication circuit, utilize power line carrier PLC and radio frequency dual network to work simultaneously, and select the optimal network in the dual network to carry out automatic route with the electric energy meter of main website success communication automatically with other, realize information exchange with main website.
During the communication of this electric energy meter, if power line interference is bigger, can utilize the radio frequency network to carry out proper communication, and at the dead angle of radio frequency communication with penetrate when having any problem, can normally communicate by power line carrier, when two network services between electric energy meter and the main website all have some setbacks, electric energy meter is by PLC two-way communication circuit and RF two-way communication circuit, utilize power line carrier PLC and radio frequency dual network to work simultaneously, and select the optimal network in the dual network to carry out automatic route with the electric energy meter of main website success communication automatically with other, realize the information exchange with main website, therefore greatly improved the communication success rate of electric energy meter.Adopt simultaneously and can overcome original this locality after the radio frequency communication and check meter and adopt over the horizon communication system the reliability of local communication and convenience also to be improved greatly in positive limitation of checking meter closely.
Claims (2)
1. power line carrier PLC and radio frequency dual network electric energy meter, at least constitute by multi-functional application-specific integrated circuit (ASIC) or CPU or MCU or DSP data processing controller, ic for energy metering, display circuit and power circuit, it is characterized in that: also comprise PLC two-way communication circuit and RF two-way communication circuit, described multi-functional application-specific integrated circuit (ASIC) or CPU or MCU or DSP data processing controller all are connected with foregoing circuit.
2. a communication means that uses described power line carrier PLC of claim 1 and radio frequency dual network electric energy meter is characterized in that, may further comprise the steps:
(1) electric energy meter utilizes power line carrier PLC and radio frequency dual network to work simultaneously, and selects optimal network and main website in the dual network directly to carry out two-way communication automatically by described PLC two-way communication circuit and described RF two-way communication circuit.
(2) when electric energy meter and main website two-way communication are smooth, electric energy meter is by described PLC two-way communication circuit and described RF two-way communication circuit, utilize power line carrier PLC and radio frequency dual network to work simultaneously, and select the optimal network in the dual network to carry out automatic route with the electric energy meter of main website success communication automatically with other, realize information exchange with main website.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710108093XA CN101312362A (en) | 2007-05-25 | 2007-05-25 | Power line carrier and radio frequency bi-network electrical energy meter, communication method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710108093XA CN101312362A (en) | 2007-05-25 | 2007-05-25 | Power line carrier and radio frequency bi-network electrical energy meter, communication method thereof |
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| CN101312362A true CN101312362A (en) | 2008-11-26 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834633A (en) * | 2009-03-09 | 2010-09-15 | 江苏林洋电子股份有限公司 | Power line carrier wave meter based on tri-state impulse displacement phase modulation and communication method |
| CN102095896A (en) * | 2010-11-20 | 2011-06-15 | 太原理工大学 | Portable intelligent speedometer tester and using method thereof |
| CN103703749A (en) * | 2011-07-22 | 2014-04-02 | 德克萨斯仪器股份有限公司 | Dynamic improvement of link symmetry in co-located plc and rf networks |
| US8892268B2 (en) | 2010-01-28 | 2014-11-18 | Reactive Technologies Limited | Power flow measurement and management |
| CN104851272A (en) * | 2015-05-21 | 2015-08-19 | 南京新联电子股份有限公司 | Small-size high-speed data transmission communication module applied to state grid II type concentrator |
| CN105046935A (en) * | 2015-08-13 | 2015-11-11 | 青岛东软载波科技股份有限公司 | Dual mode heterogeneous communication system based on low voltage power line and micropower wireless |
| CN114844529A (en) * | 2022-04-12 | 2022-08-02 | 鼎隆航空科技有限公司 | Power line communication circuit and system based on solid-state power controller |
-
2007
- 2007-05-25 CN CNA200710108093XA patent/CN101312362A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834633A (en) * | 2009-03-09 | 2010-09-15 | 江苏林洋电子股份有限公司 | Power line carrier wave meter based on tri-state impulse displacement phase modulation and communication method |
| US8892268B2 (en) | 2010-01-28 | 2014-11-18 | Reactive Technologies Limited | Power flow measurement and management |
| CN102095896A (en) * | 2010-11-20 | 2011-06-15 | 太原理工大学 | Portable intelligent speedometer tester and using method thereof |
| CN102095896B (en) * | 2010-11-20 | 2013-05-08 | 太原理工大学 | Portable intelligent speedometer tester and using method thereof |
| CN103703749A (en) * | 2011-07-22 | 2014-04-02 | 德克萨斯仪器股份有限公司 | Dynamic improvement of link symmetry in co-located plc and rf networks |
| CN103703749B (en) * | 2011-07-22 | 2017-12-01 | 德克萨斯仪器股份有限公司 | The apparatus and method being dynamically refined for the link symmetry in PLC the and RF networks of same position |
| CN104851272A (en) * | 2015-05-21 | 2015-08-19 | 南京新联电子股份有限公司 | Small-size high-speed data transmission communication module applied to state grid II type concentrator |
| CN104851272B (en) * | 2015-05-21 | 2018-04-06 | 南京新联电子股份有限公司 | Miniaturized high-speed number for state's net II type concentrators passes communication module |
| CN105046935A (en) * | 2015-08-13 | 2015-11-11 | 青岛东软载波科技股份有限公司 | Dual mode heterogeneous communication system based on low voltage power line and micropower wireless |
| CN105046935B (en) * | 2015-08-13 | 2018-05-22 | 青岛东软载波科技股份有限公司 | A kind of bimodulus heterogeneous communication system wireless based on low-voltage power line and micropower |
| CN114844529A (en) * | 2022-04-12 | 2022-08-02 | 鼎隆航空科技有限公司 | Power line communication circuit and system based on solid-state power controller |
| CN114844529B (en) * | 2022-04-12 | 2024-02-23 | 鼎隆航空科技有限公司 | Power line communication circuit and system based on solid-state power controller |
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Open date: 20081126 |