CN104569577B - A kind of household electricity information acquisition system based on micro power radio communication agreement - Google Patents

A kind of household electricity information acquisition system based on micro power radio communication agreement Download PDF

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CN104569577B
CN104569577B CN201410840570.1A CN201410840570A CN104569577B CN 104569577 B CN104569577 B CN 104569577B CN 201410840570 A CN201410840570 A CN 201410840570A CN 104569577 B CN104569577 B CN 104569577B
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information
module
micropower
networking
wireless master
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CN104569577A (en
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耿立立
张琪
马晓磊
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BEIJING YUPONT ELECTRIC POWER TECHNOLOGY Co Ltd
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BEIJING YUPONT ELECTRIC POWER TECHNOLOGY Co Ltd
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Abstract

The present invention relates to a kind of household electricity information acquisition systems based on micro power radio communication agreement, wherein keyboard selection controlled terminal is simultaneously set as measurement point;It sends and instructs to control module;Control module generates control command according to instruction, and control command is sent to micropower wirelessly from module by micropower wireless master module;Micropower wireless master module issues networking beacon, receives the neighbor table information and field intensity set information of controlled terminal, configures communication path to controlled terminal, completes networking by mesh networking mode;Send control command;Receive power information and handles;Metering chip acquires in real time, stores the power information of electrical equipment;Micropower wirelessly from module reception, routing forwarding networking beacon and control command, the neighbor table information and field intensity set information of controlled terminal is obtained according to networking beacon, neighbor table information and field intensity set information are forwarded to micropower wireless master module;And power information is sent to by micropower wireless master module according to control command.

Description

A kind of household electricity information acquisition system based on micro power radio communication agreement
Technical field
The present invention relates to power information acquisition technique field, in particular to a kind of family based on micro power radio communication agreement Front yard power information acquisition system.
Background technique
The object-oriented of smart grid is power administration, and smart home stresses the use control to household electrical appliances more.People at present Electricity consumption situation to household electricity equipment is mostly experienced by long-term electricity consumption, is unfavorable for people in this way to household electrical appliances electricity consumption Manage and control, but the appearance of household electricity information acquisition system solves problem above.The system of household electricity acquisition at present System scheme has: first is that the acquisition scheme of the electricity consumption acquisition system of smart grid is used for reference, such as power line carrier scheme;First is that intelligent family Occupy the acquisition scheme of common information content in scheme, such as ZigBee technology, wifi technology.
Above-mentioned the first scheme-power line carrier scheme, is widely used in power grid electricity consumption acquisition system, technology at present Relative maturity, it is only necessary to communication can be realized plus a small amount of element such as trap on the communication end point in system.But it is this The shortcomings that scheme is poor signal quality, narrow bandwidth etc..
In above-mentioned second scheme, the shortcomings that ZigBee scheme is: product development difficulty is big, the development cycle is long, product It is at high cost, and its signal transmission frequency point and home gateway Wifi are also easy to produce interference on same frequency point.And the family of Wifi scheme The shortcomings that front yard electricity consumption acquisition system is: power consumption is high, networking capability is low, extending space is limited, product cost is high.
Urgent need breaks through prior art, solves above-mentioned technical problem.
Summary of the invention
To solve problem of the prior art, the characteristics of using micropower wireless product, the present invention proposes a kind of based on micro- function The household electricity information acquisition system of rate wireless communication protocol, so that system works with home gateway in difference when information is transmitted Frequency point on, the interference between signal is little.
To achieve the above object, the present invention provides a kind of household electricity informations based on micro power radio communication agreement to adopt Collecting system, comprising: power monitoring terminal and controlled terminal;Wherein, the power monitoring terminal include keyboard, it is control module, micro- Power wireless master module;The controlled terminal includes: metering chip, micropower wirelessly from module;
The keyboard, for selecting controlled terminal and being set as measurement point;It sends and instructs to control module;Wherein, described The ID phase mapping relationship of measurement point and controlled terminal;
Control command for generating control command according to described instruction, and is passed through the wireless main mould of micropower by control module Block is sent to micropower wirelessly from module;
The micropower wireless master module receives the neighbor table information and field strength of controlled terminal for issuing networking beacon Table information, according to the neighbor table information of the controlled terminal and field intensity set information, measurement point and corresponding id information to controlled end End configuration communication path, completes networking by mesh networking mode;Send control command;Receive power information and handles;
The metering chip, for acquiring, storing the power information of electrical equipment in real time;
The micropower is wirelessly from module, for receiving, routing forwarding networking beacon and control command, according to the networking Beacon obtains the neighbor table information and field intensity set information of the controlled terminal, and the neighbor table information and field intensity set information are forwarded To the micropower wireless master module;And the power information is sent to by the wireless main mould of the micropower according to control command Block.
Preferably, the power monitoring terminal further include: display chip;Wherein, the display chip is for will be described micro- Treated that power information is shown for power wireless master module.
Preferably, the control command includes reading controlled end test point data command and transparent controlled end number of test points evidence Order.
Preferably, the control module, which is also used to generate when keyboard after the completion of networking adds measurement point, restarts networking Order.
Preferably, the micropower wireless master module and the micropower include wirelessly microprocessor and radio frequency from module Chip.
Preferably, the micropower wireless master module further includes RJ45 network interface.
Preferably, the working frequency points and the micropower of the micropower wireless master module are wirelessly from the working frequency points of module It is 470MHz~510MHz.
Above-mentioned technical proposal has the following beneficial effects: that the network of the technical program composition is based on micropower protocol communication , small, communication success rate height is interfered with each other with home gateway.Further, the technical program uses the networking side of mesh net Formula improves the robustness of network if some controlled end, which breaks down, does not influence the communication of monitoring client Yu other controlled ends.In addition, The technical program can measure household electricity equipment respectively, and can inquire the electricity consumption situation of each electrical equipment at any time.Change Traditional can only understand electricity consumption situation, and the electricity consumption for each electrical equipment in family by family's household electric meter Status in confused situation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of household electricity information acquisition system frame based on micro power radio communication agreement proposed by the present invention Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The working principle of the technical program: compared to Zigbee scheme, micropower wireless product has development difficulty small, all Phase short feature, and from home gateway work on different frequency points, the interference between signal is little.Compared to Wifi scheme, work The advantages of making micropower wireless solution of the frequency point between 470MHz~510MHz be it is at low cost, low in energy consumption, networking capability is strong.Base In this, the present invention proposes a kind of household electricity information acquisition system based on micro power radio communication agreement, in the present system, by Control end is used to acquire and store the electricity consumption in each rate stage of each electrical equipment, voltage, electric current, first equal, then by wireless Mode be uploaded to household electricity monitor terminal.Household electricity monitor terminal initiates the use of each electrical equipment of copy reading in a certain period Electricity, and save data for a period of time.User can check the electricity of the same day or a certain period by monitor terminal, in this way may be used So that electricity consumption user, which is apparent, very easily knows which electric appliance of family is more, that period electricity consumption is more, is electricity consumption user Rational utilization of electricity, using electricity wisely provide foundation.
Household electricity information acquisition system based on micro power radio communication agreement mainly consists of two parts: household electricity Monitor terminal, controlled terminal.Household electricity monitor terminal is by display chip, keyboard, control module and micropower wireless master module Composition.Wherein, the hardware platform of control module uses 32 bit processors, and software platform is linux kernel.Main mould that micropower is wireless Block is made of 32 MCU and model Si4432 radio frequency chip, can also have RJ45 network interface, RJ45 network interface can be with router It is connected.Controlled terminal is mainly wirelessly made of from module metering chip, micropower.Wherein, micropower is wirelessly by 8 from module The radio frequency chip of MCU and model Si4432 are constituted, and metering chip uses the metering chip of model RN8207.Controlled terminal is logical It crosses metering chip and obtains the power information for applying electric equipment: such as voltage, electric current, first phase, power, these power informations pass through micro- Power is wirelessly uploaded to household electricity monitor terminal from module.In addition wirelessly from module, there are also the functions of forwarding data.System frame Figure is as shown in Figure 1.
The household electricity information acquisition system course of work based on micro power radio communication agreement includes:
It 1, can be with home gateway by the RJ45 network interface of the micropower wireless master module reserved opening of household electricity monitor terminal It is connected.
2, controlled terminal is connected with household electrical appliance (such as refrigerator, washing machine) by insert row, by another controlled terminal with One group of lighting apparatus is connected.
3, measurement point is set.
ID (length of 6 bytes) is write to controlled terminal, measurement point is arranged by keyboard at family's power monitoring end, this The ID of a little measurement points and controlled terminal is the relationship of phase mapping.If controlled end ID is 0x06, survey can be set into monitor terminal Amount point 1.After measurement point is provided with, starting networking is selected by keyboard by monitoring client.
4, networking process: monitor terminal initiates networking, issues networking beacon by micropower wireless master module.According to networking Scale calculates the networking time, and controlled terminal is only received within the networking time and forwards networking beacon.After the networking time, start according to The secondary neighbor table and field intensity information table for collecting controlled terminal.After completing field strength collection, configuration communication path is carried out to controlled terminal. Indicate that networking is completed after all controlled terminals all configuration successfuls.Networking feelings can be checked by keyboard at family's power monitoring end Condition.If networking success, shows successfully on display chip;It is on the contrary then show failure, and it is shown without the controlled of networking Terminal.Controlled terminal receives the forwarding time slot for storing network ID after beacon and calculating oneself, waits then oneself forwarding time slot After forward beacon.Within the networking time, a networking beacon is only forwarded.
5, add new controlled terminal: when monitor terminal keys in new controlled terminal measurement point, control module will be inquired Whether networking is restarted.Confirm networking, monitor terminal executes networking process.
6, controlled terminal data are read: first in the determining data item for wanting copy reading of monitor terminal, if control module is sent Reading controlled end test point data command, order the inside set the time of copy reading data.After these are provided with, monitoring is eventually End will remove copy reading controlled terminal by setting.When reading data completion, data volume and data can be checked by monitor terminal The copy reading time of amount.Monitor terminal at most can store and check the electricity consumption situation of nearly one month controlled end.
7, transparent controlled terminal data: monitor terminal goes copy reading data in addition to what item was determined in timing, allows user's understanding electricity consumption feelings Condition.In addition, control module issues transparent controlled end test point data command, micro- function after user chooses transparent function by keyboard Rate wireless master module confirms and waits aobvious on display screens according to the transparent data item to be checked according to command selection of controlled end number of test points After showing transparent success, by checking the data information copied back at keyboard decorrelation data item.
8, data forwarding is routed: due to the remote either barrier mistake of standoff distance between some controlled terminals and monitor terminal Remote causes, the communication link qualities such as more are bad.Therefore, each controlled terminal has routing function again.Monitor terminal is given in networking stage When controlled terminal distribution path, micropower wireless master module according to the link information in the field intensity information table of each node come to by Control terminal calculates optimal path.In communication process, when controlled terminal receives data, first choice judges whether itself is this time logical The destination node of letter, if it is, controlled terminal responds the data received;If it is not, then controlled terminal is by communicating The node address that communication path in data obtains next-hop goes out data forwarding.
In conclusion the present invention, due to using micropower wireless communication technology, which uses Mesh networking Mode, therefore networking is simple and stablizes, communication link quality is high.Additionally due to each node has routing function, in data It needs to be not required to when routing forwarding to reappose routing node, increases network capacity.In addition the communication mode is for hardware performance It is required that it is low, therefore reduce research and development of products cost.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (6)

1. a kind of household electricity information acquisition system based on micro power radio communication agreement characterized by comprising electricity consumption prison Control terminal and controlled terminal;Wherein, the power monitoring terminal includes keyboard, control module, micropower wireless master module;It is described Controlled terminal includes: metering chip, micropower wirelessly from module;
The keyboard, for selecting controlled terminal and being set as measurement point;It sends and instructs to control module;Wherein, the measurement The ID phase mapping relationship of point and controlled terminal;
Control module for generating control command according to described instruction, and control command is sent out by micropower wireless master module It send to micropower wirelessly from module;
The micropower wireless master module receives the neighbor table information and field intensity set letter of controlled terminal for issuing networking beacon Breath, matches controlled terminal according to the neighbor table information of the controlled terminal and field intensity set information, measurement point and corresponding id information Communication path is set, networking is completed by mesh networking mode;Send control command;Receive power information and handles;
The metering chip, for acquiring, storing the power information of electrical equipment in real time;
The micropower is wirelessly from module, for receiving, routing forwarding networking beacon and control command, according to the networking beacon The neighbor table information and field intensity set information for obtaining the controlled terminal, are forwarded to institute for the neighbor table information and field intensity set information State micropower wireless master module;And the power information is sent to by the micropower wireless master module according to control command;Its In,
The working frequency points and the micropower of the micropower wireless master module are wirelessly 470MHz from the working frequency points of module ~510MHz.
2. the system as claimed in claim 1, which is characterized in that the power monitoring terminal further include: display chip;Wherein, The display chip is used for that treated that power information is shown by the micropower wireless master module.
3. the system as claimed in claim 1, which is characterized in that the control command includes reading controlled end number of test points according to life It enables and transparent controlled end test point data command.
4. the system as claimed in claim 1, which is characterized in that the control module is also used to keyboard after the completion of networking It is generated when adding measurement point and restarts networking commands.
5. the system as claimed in claim 1, which is characterized in that the micropower wireless master module and the micropower wirelessly from Module includes microprocessor and radio frequency chip.
6. system as claimed in claim 5, which is characterized in that the micropower wireless master module further includes RJ45 network interface.
CN201410840570.1A 2014-12-31 2014-12-31 A kind of household electricity information acquisition system based on micro power radio communication agreement Active CN104569577B (en)

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CN107809380B (en) * 2017-10-27 2021-04-02 武汉友讯达科技有限公司 Dual-mode field intensity mixing method and device

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Address after: 100029 11 floor, LAN-STAR building, 19 North Third Ring Road, Chaoyang District, Beijing.

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