CN102298834B - System and method for acquiring power utilization information - Google Patents
System and method for acquiring power utilization information Download PDFInfo
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- CN102298834B CN102298834B CN 201110274841 CN201110274841A CN102298834B CN 102298834 B CN102298834 B CN 102298834B CN 201110274841 CN201110274841 CN 201110274841 CN 201110274841 A CN201110274841 A CN 201110274841A CN 102298834 B CN102298834 B CN 102298834B
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Abstract
The invention discloses a system and a method for acquiring power utilization information. An acquisition terminal provided with a wireless sensing module acquires the power utilization information from an intelligent ammeter provided with a wireless sensing module through a wireless sensor network; and the acquisition terminal sends the power utilization information to an acquisition gateway through a broadband power line. By using the system and the method, the user information transmission rate is high, the acquisition cycle is short, the reliability is high, and the project implementationmaintenance difficulty is low.
Description
Technical field
The present invention relates to the power technology field, specifically, relate to a kind of power information acquisition technique based on advanced wireless sensor network technique and power line communication technology, be used for solving stable data acquisition and reliable communication problem under the complex environment of residential quarter.
Background technology
The power information collection is an important service in the electric system, provides basic data for realizing the analysis of electricity consumption efficiency, rational utilization of electricity, electricity charge incentive policy.At present, this business mainly realizes by power line communication technology and wireless public network (GPRS, CDMA etc.) communication mode.
Power line communication technology comprises two kinds of arrowband power line communication and broadband power line communications.The arrowband power line communication technology refers to the voltage power-line carrier communication technology of frequency of carrier signal scope≤500kHz, have characteristics such as bandwidth is low, transmitted in both directions, adaptability is good, anti-interference is weak, be applicable to that the electric energy meter installation site is than dispersion, difficult wiring, the less platform district of electricity consumption load variations.The broadband power line communication technology refers to the voltage power-line carrier communication technology of frequency of carrier signal scope 〉=1MHz, has the bandwidth height, and data capacity is big, and characteristics such as transmitted in both directions, strong interference immunity are applicable to the platform district that the installation of user's electric energy meter is comparatively concentrated.
In the power information capturing service, use also comparatively generally based on the wireless public network communication mode of GPRS, rely on wireless communication module that the power information of gathering is uploaded by wireless public network.
In the power information capturing service, adopt above traditional communication mode that following shortcoming is arranged separately:
As independent employing power line communication technology, the common cloth of acquisition terminal is placed in the table case, links to each other by the RS-485 cable between electric energy meter and the acquisition terminal and communicate by letter, because the interior wiring space of table case is limited, causes difficult wiring and in a jumble, cable connector easily becomes flexible;
Public network communications setting speech data has right of priority, and real time of data transmission such as GPRS can't be guaranteed, and the data upload bandwidth is also very limited.In addition, because signal covers factor, the installation site of communication module or terminal is subjected to the restriction of very big degree.
Summary of the invention
In view of above problem, the present invention proposes a kind of power information acquisition system and method.
According to an aspect of the present invention, provide a kind of power information acquisition system, comprised ammeter, acquisition terminal and acquisition gateway, it is characterized in that: described ammeter is the intelligent electric meter with wireless sensing module; Described acquisition terminal has wireless sensing module, gathers power information by wireless sensor network from intelligent electric meter, and by broadband power line power information is sent to described acquisition gateway; Described acquisition gateway receives power information by broadband power line.
Preferably, existing ammeter is replaced by the intelligent electric meter with wireless sensing module, perhaps transform it as described intelligent electric meter by internal or external wireless sensing module in existing ammeter.
Preferably, existing acquisition terminal is replaced by the described acquisition terminal with wireless sensing module, perhaps transform it as described acquisition terminal by internal or external wireless sensing module in existing acquisition terminal.
Preferably, the mode of external radio sensing module is at existing ammeter or acquisition terminal miniature power consumption wireless sensor to be installed.
Preferably, described acquisition gateway compiles power information, handle, store and is uploaded to main website.
According to a further aspect in the invention, a kind of power information acquisition method is provided, be used for gathering power information from the power information acquisition system, described power information acquisition system comprises ammeter, acquisition terminal and acquisition gateway, it is characterized in that: gather power information by wireless sensor network from the intelligent electric meter with wireless sensing module by the acquisition terminal with wireless sensing module; By broadband power line power information is sent to described acquisition gateway.
Preferably, intelligent electric meter with wireless sensing module is to realize in the following manner: existing ammeter is replaced by the intelligent electric meter with wireless sensing module, perhaps transform it as described intelligent electric meter by internal or external wireless sensing module in existing ammeter.
Preferably, acquisition terminal with wireless sensing module is to realize in the following manner: existing acquisition terminal is replaced by the described acquisition terminal with wireless sensing module, perhaps transform it as described acquisition terminal by internal or external wireless sensing module in existing acquisition terminal.
Preferably, the external radio sensing module is to realize in the following manner: at existing ammeter or acquisition terminal miniature power consumption wireless sensor is installed.
Preferably, power information is sent to after the described acquisition gateway, also comprise: power information is compiled, handles, stored and be uploaded to main website by described acquisition gateway.
The present invention proposes the power information acquisition system that a kind of wireless sensor network (WSN) combines with broadband power line communication (BPLC).At power information acquisition system communication link characteristics, WSN and the BPLC communication technology are taked in segmentation, be the power information collection of intelligent electric meter and intelligent electric meter with acquisition terminal between communicate by letter and adopt the WSN technology, avoiding complicated wiring, and closely guarantee the WSN communication stability; Communicating by letter between acquisition terminal and the acquisition gateway namely penetrates table case and building wall and adopts the BPLC technology.
User profile transfer rate height among the present invention, collection period is short, reliability is high, the engineering construction maintenance difficulties is little, practicality good.
With reference to the detailed description of accompanying drawing to exemplary embodiment of the present invention, it is clear that further feature of the present invention and advantage thereof will become by following.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 illustrates in the embodiment of the invention power information acquisition method process flow diagram based on wireless sensor network and broadband power line communication.
Fig. 2 illustrates in the embodiment of the invention power information acquisition system configuration diagram based on wireless sensor network and broadband power line communication.
Embodiment
Describe various exemplary embodiment of the present invention in detail now with reference to accompanying drawing.It should be noted that: unless specify in addition, the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step do not limit the scope of the invention.
Below be illustrative to the description only actually of at least one exemplary embodiment, never as any restriction to the present invention and application or use.
May not be discussed in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but under suitable situation, described technology, method and apparatus should be regarded as authorizing the part of instructions.
In shown here and all examples of discussing, it is exemplary that any occurrence should be construed as merely, rather than as restriction.Therefore, other example of exemplary embodiment can have different values.
Fig. 1 illustrates in the embodiment of the invention power information acquisition method process flow diagram based on WSN and broadband power line communication, and the power information acquisition method is used for gathering power information from the power information acquisition system.Fig. 2 shows power information acquisition system in the embodiment of the invention, and it comprises ammeter, acquisition terminal and acquisition gateway.Describe the present invention in detail below in conjunction with Fig. 1 and Fig. 2.
At first, in the step 101 of Fig. 1, gather power information by wireless sensor network from the intelligent electric meter with wireless sensing module by the acquisition terminal with wireless sensing module, power information comprises information such as ammeter registration, voltage, electric current, power factor (PF).
Existing ammeter is replaced by the intelligent electric meter with wireless sensing module, and perhaps internal or external wireless sensing module transform it as intelligent electric meter in existing ammeter.Wherein, the external radio sensing module can be at ammeter or acquisition terminal miniature power consumption wireless sensor to be installed.
Existing acquisition terminal is replaced by the described acquisition terminal with wireless sensing module, perhaps transform it as described acquisition terminal by internal or external wireless sensing module in existing acquisition terminal.Acquisition terminal according to field condition and needs be installed in the table case, floor or building unit, by wireless sensor network the resident of same table case, same floor, same building unit or same building and all intelligent electric meter power informations of non-resident user are gathered.Owing to transmit by wireless sensor network, therefore can avoid complicated wiring, and closely guarantee the WSN communication stability.
Then, in the step 102 of Fig. 1, described acquisition terminal sends to described acquisition gateway by broadband power line with power information.Utilize existing BPLC (broadband power line communication) as communication media and penetrate table case, building structure, described building structure is building wall for example.
Acquisition gateway is converted into the broadband power line carrier signal with power information through protocol conversion and modulation, is coupled on the distribution network table case lambda line through power line communication coupling module (not shown).The power line communication coupling module is arranged in the WSN/BPLC acquisition gateway, it is the key link in the power-line carrier communication system, be used for coupling carrier voltage and electric current, can receive signal from line of electric force, can also be with the form of voltage or electric current to the line of electric force output signal, and send with accepting state under have different impedances, can be coupled to stronger signal of communication in the time of can making the modulator-demodular unit of power carrier be positioned at any position, improved the successful communication rate.
At platform change, public change place, building underground distribution chamber or other suitable information aggregating points the WSN/BPLC acquisition gateway is installed, public change place refers to the direct ammeter facility of being responsible for by power department, and the WSN/BPLC acquisition gateway is placed on vacant epi-position or correct position in the ammeter table case.The working environment that the WSN/BPLC acquisition gateway is general requires: the standard operation temperature is-25 ℃～55 ℃, and relative humidity is 5%～95%, so satisfy the information aggregating point that the place of this condition all should be considered as suiting.
Then, in another embodiment of the present invention, also comprise the operation that is uploaded to main website, namely in the step 103 of Fig. 1, each acquisition gateway compiles the broadband power line carrier signal, handle, store and is uploaded to main website.Acquisition gateway is by TD-SCDMA dedicated channel or power optical fiber private network and master station communication.
Fig. 2 shows in the embodiment of the invention power information acquisition system configuration diagram based on WSN and broadband power line communication technology.Comprise intelligent electric meter, acquisition terminal and acquisition gateway.Fig. 2 also shows main website.Describe in detail below in conjunction with Fig. 2.
Acquisition gateway comprises TD-SCDMA/WSN acquisition gateway, EPON/WSN acquisition gateway and TD-SCDMA/BPLC acquisition gateway.Difference between the above-mentioned acquisition gateway is: the communication mode that adopts between acquisition terminal and acquisition gateway and acquisition gateway and the main website of system is different.
The TD-SCDMA/WSN acquisition gateway: communicate by letter by WSN between acquisition terminal and the acquisition gateway, acquisition gateway adopts the TD-SCDMA mode to communicate by letter with the main website of system;
The EPON/WSN acquisition gateway: downlink communication adopts the WSN mode, and uplink communication adopts the EPON mode;
The TD-SCDMA/BPLC acquisition gateway: downlink communication adopts the WSN/BPLC mode, and uplink communication adopts the TD-SCDMA mode.
The present invention is directed to power information acquisition system communication link characteristics, WSN and the BPLC communication technology are taked in segmentation, the WSN technology is adopted in the power information collection that is intelligent electric meter, to avoid complicated wiring, and closely guarantee the WSN communication stability, communicating by letter between acquisition terminal and the acquisition gateway adopted the BPLC technology.
The technology that the present invention adopts wireless sensor network and broadband power line communication to combine realizes the power information collection, can solve that the transmission of engineering construction difficult wiring in the existing communication technology, information is unstable, collection period is long or real-time property such as can't guarantee at problem.
Long-range outage control scheme
The topworks of Long-distance Control can be electric energy meter, also can adopt external gate-controlled switch, and wherein the non-resident user of three-phase adopts external gate-controlled switch.After main website sends control command, carry out divide-shut brake or carry out divide-shut brake by acquisition gateway (also can be electric energy meter) control gate-controlled switch by electric energy meter.
For the non-resident user of low pressure, adopt main website pre-payment management pattern, the user remains the calculating of the electricity charge and sends the steering logic of controlling trip command and finish in main website, and trip command is carried out by terminal or the table meter at scene.Main website, issues the residual electricity charge information after main website carries out electricity charge calculating by gathering user's power information, and the demonstration of field data is finished by the table meter.The main website pre-payment can be calculated the residue electricity charge more exactly according to the electrovalence policy of the actual execution of user, is specially adapted to carry out the user of multiple electrovalence policy or electricity charge account form, may be caused remaining the error of calculation of the electricity charge by the local calculating of field apparatus.The main website prepayment mode: every day is collected user's electricity consumption data by main website, calculates the residue electricity charge, and steering logic is finished in main website, does not change the means that remain the electricity charge at user side, effectively reduces the possibility that malice is distorted the residue electricity charge.
Though by example specific embodiments more of the present invention are had been described in detail, it should be appreciated by those skilled in the art that above example only is in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can under situation about not departing from the scope of the present invention with spirit, above embodiment be made amendment.Scope of the present invention is limited by claims.
Claims (10)
1. a power information acquisition system comprises ammeter, acquisition terminal and acquisition gateway, it is characterized in that:
Described ammeter is the intelligent electric meter with wireless sensing module;
Described acquisition terminal has wireless sensing module, gathers power information by wireless sensor network from intelligent electric meter, and namely communicating by letter between the power information collection of intelligent electric meter and intelligent electric meter and the acquisition terminal adopted wireless sensor network;
By broadband power line power information is sent to described acquisition gateway;
Described acquisition gateway receives power information by broadband power line, namely penetrate table case and building wall and adopt broadband power line communication, power information is converted into the broadband power line carrier signal through protocol conversion and modulation, be coupled on the distribution network table case lambda line through the power line communication coupling module, the power line communication coupling module is used for coupling carrier voltage and electric current, receive signal from broadband power line, with the form of voltage or electric current to the line of electric force output signal, and send with accepting state under have different impedances, in order to can be coupled to stronger signal of communication when making the modulator-demodular unit of power carrier be positioned at any position.
2. according to the described power information acquisition system of claim 1, it is characterized in that: existing ammeter is replaced by the intelligent electric meter with wireless sensing module, perhaps transform it as described intelligent electric meter by internal or external wireless sensing module in existing ammeter.
3. according to the described power information acquisition system of claim 1, it is characterized in that: existing acquisition terminal is replaced by the described acquisition terminal with wireless sensing module, perhaps transform it as described acquisition terminal by internal or external wireless sensing module in existing acquisition terminal.
4. according to the described power information acquisition system of claim 2, it is characterized in that: the mode of external radio sensing module is for installing miniature power consumption wireless sensor at existing ammeter or acquisition terminal.
5. according to the described power information acquisition system of claim 1, it is characterized in that: described acquisition gateway compiles power information, handle, store and is uploaded to main website.
6. a power information acquisition method is used for gathering power information from the power information acquisition system, and described power information acquisition system comprises ammeter, acquisition terminal and acquisition gateway, it is characterized in that:
Gather power information by wireless sensor network from the intelligent electric meter with wireless sensing module by the acquisition terminal with wireless sensing module, namely communicating by letter between the power information collection of intelligent electric meter and intelligent electric meter and the acquisition terminal adopted wireless sensor network;
Described acquisition terminal sends to described acquisition gateway by broadband power line with power information, namely penetrates table case and building wall and adopts broadband power line communication;
Described acquisition gateway receives power information by broadband power line, namely penetrate table case and building wall and adopt broadband power line communication, power information is converted into the broadband power line carrier signal through protocol conversion and modulation, be coupled on the distribution network table case lambda line through the power line communication coupling module, the power line communication coupling module is used for coupling carrier voltage and electric current, receive signal from broadband power line, with the form of voltage or electric current to the line of electric force output signal, and send with accepting state under have different impedances, in order to can be coupled to stronger signal of communication when making the modulator-demodular unit of power carrier be positioned at any position.
7. according to the described power information acquisition method of claim 6, the intelligent electric meter with wireless sensing module is to realize in the following manner:
Existing ammeter is replaced by the intelligent electric meter with wireless sensing module, perhaps transform it as described intelligent electric meter by internal or external wireless sensing module in existing ammeter.
8. according to the described power information acquisition method of claim 6, the acquisition terminal with wireless sensing module is to realize in the following manner:
Existing acquisition terminal is replaced by the described acquisition terminal with wireless sensing module, perhaps transform it as described acquisition terminal by internal or external wireless sensing module in existing acquisition terminal.
9. according to the described power information acquisition method of claim 7, the external radio sensing module is to realize in the following manner: at existing ammeter or acquisition terminal miniature power consumption wireless sensor is installed.
10. according to the described power information acquisition method of claim 6, power information is sent to after the described acquisition gateway, also comprise:
Power information is compiled, handles, stored and be uploaded to main website by described acquisition gateway.
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| CN 201110274841 CN102298834B (en) | 2011-09-16 | 2011-09-16 | System and method for acquiring power utilization information |
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| CN102539911A (en) * | 2012-01-13 | 2012-07-04 | 广东电网公司电力科学研究院 | Intelligent electric energy metering system under internet-of-things architecture |
| CN103067264A (en) * | 2012-12-07 | 2013-04-24 | 广东电网公司佛山供电局 | Electric gateway system with electric power device access management and service functions |
| CN103064385B (en) * | 2012-12-21 | 2016-03-02 | 深圳市国电科技通信有限公司 | A kind of electric power information monitoring system and wireless networking method thereof |
| CN103236151A (en) * | 2013-04-05 | 2013-08-07 | 北京工业大学 | Subway energy consumption on-line monitoring system |
| CN104301244B (en) * | 2014-10-22 | 2018-08-03 | 许继电气股份有限公司 | A kind of cluster communication system and method for large size distribution network system |
| CN106779991B (en) * | 2016-11-28 | 2020-05-19 | 国网山东省电力公司济宁供电公司 | Electric charge accounting system and method |
| CN109688102A (en) * | 2018-11-08 | 2019-04-26 | 深圳供电局有限公司 | A kind of multipotency acquisition system and its multipotency acquisition method based on wisdom energy source gateway |
| CN113542925A (en) * | 2021-06-21 | 2021-10-22 | 南京绿电智联科技有限公司 | Transmission system and transmission method for transmitter signal power information |
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| CN101667335A (en) * | 2009-10-19 | 2010-03-10 | 国网信息通信有限公司 | Power utilization information collection system and method |
| CN201876480U (en) * | 2009-12-29 | 2011-06-22 | 深圳市国电科技通信有限公司 | Wideband/narrowband integrated meter-reading device |
| CN101882369B (en) * | 2010-07-01 | 2012-01-25 | 福州电业信息科技有限公司 | Remote real-time monitoring system for electric power system client side meter |
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