CN102692557A - Power-expenditure information acquisition terminal and method - Google Patents
Power-expenditure information acquisition terminal and method Download PDFInfo
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- CN102692557A CN102692557A CN201110067353XA CN201110067353A CN102692557A CN 102692557 A CN102692557 A CN 102692557A CN 201110067353X A CN201110067353X A CN 201110067353XA CN 201110067353 A CN201110067353 A CN 201110067353A CN 102692557 A CN102692557 A CN 102692557A
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Abstract
The invention provides a power-expenditure information acquisition terminal and a method. The terminal comprises an UART extension module used to gather power-expenditure information data of electric power user equipment; a main processor connected with the UART extension module by bus, wherein the main processor is used to acquire power-expenditure information data gathered by the UART extension module and process the power-expenditure information data; a memory module connected with the main processor by the bus, wherein the memory module is used to store the power-expenditure information data processed by the main processor; a radio frequency module connected with the main processor by a digital interface, wherein the radio frequency module is used to send the power-expenditure information data processed by the main processor to a master station by broadband wireless access, receive instructions from the master station, and then send the instructions to the master processorso that the master processor carries out operations corresponding to the instructions.
Description
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Technical field
The present invention relates to technical field of wireless data, be specifically related to a kind of power information acquisition terminal and method.
Background technology
Power consumer power information acquisition system is a kind of acquiring electric energy information, processing and real-time monitoring system; Unusual and electric energy quality monitoring, electrical energy consumption analysis and management are gathered, measured to the realization energy data automatically, possesses relevant information issue, the monitoring of distributed energy, the functions such as information interaction of intelligent power equipment.Existing power consumer power information acquisition system logically is divided into main website, communication channel, three aspects of acquisition terminal usually, and is as shown in Figure 1.Wherein:
Main website is divided into the application of marketing capturing service, preposition acquisition platform, data base administration three parts again; Be responsible for the various applied business of realization system; Be responsible for automatic collection, storage, the processing of energy information, each item application function of all kinds of energy informations and management is provided simultaneously.
Communication channel is responsible for the transmission channel of carrying out information interaction between main website and the acquisition terminal is provided, and comprises various available wired and wireless communication channels, and the main communication mode that adopts has optical fiber communication, radio communication and carrier communication etc.
Acquisition terminal is collection, data management, data double-way transmission and the execution of the energy information of responsible each information gathering point or the equipment of the control command that the forwarding main website issues, and acquisition terminal can be divided into types such as special change acquisition terminal, centralized automatic meter-reading terminal (comprising concentrator, collector), long-range multifunction electric meter and electric energy meter by application places.
Wherein, Specially becoming acquisition terminal is specially to become user's acquiring electric energy information terminal; Realization is to special change user's acquiring electric energy information; Comprise electric energy meter data acquisition, electric energy measuring equipment operating mode and power supply electric energy quality monitoring, and the monitoring of client's power load and electric flux, and image data is managed and transmitted.Particularly, specially becoming acquisition terminal can communicate by letter with electric energy meter, copies and accepts and storage of electrical energy table data by the interval of setting of copying and accepting; Specially the change acquisition terminal can be by the requirement of main website order, various information such as timing or the power of gathering and storing to main website transmission terminal at random, maximum demand, electric energy indicating value, quantity of state.
The centralized automatic meter-reading terminal is the equipment that the low-voltage customer energy information is gathered, and comprises concentrator, collector.Concentrator is meant the data of collecting each acquisition terminal or electric energy meter, and handles storage, and ability and main website or handheld device are carried out the equipment of exchanges data simultaneously.Said handheld device is claimed hand-hold meter reading terminal again, be meant can be closely directly and separate unit electric energy meter, concentrator, collector and computer equipment carry out the equipment of exchanges data.Concentrator can and master station communication, receive and the order of response main website, transmit data to main website, and concentrator should be able to receive and transmit the main website order electric energy meter is carried out data acquisition and control.Collector be used to gather a plurality of electric energy meter electric energy information, and can with the equipment of concentrator swap data.Collector can communicate with concentrator, receives and respond the order of concentrator, can gather the electric energy meter data automatically by the collection period of concentrator setting, and transmits data to concentrator.In addition, collector also should be able to the classification and storage data, form historical day data such as total and each rate forward active energy indicating value, the nearest 24 hours total active energy data of integral point of preserving emphasis user electric energy meter.
Long-range multifunction electric meter is meant the electric energy meter that on the basis of existing multifunction electric meter, increases telecommunications functions, and telecommunication protocol adopts the Q/GDW376.1 agreement usually.
At present, along with development of Communication Technique, proposed to build the demand of intelligent grid.So-called intelligent grid; It is exactly the intellectuality of electrical network; It is to be based upon on the basis of integrated, high-speed bidirectional communication network; Sensing and measuring technique, advanced equipment and technology, advanced person's control method and advanced person's DSS The Application of Technology through the advanced person; Realize reliable, the safety, economy of electrical network, efficient, environmental friendliness and target safe in utilization, efficiently move with the quality of power supply of meeting consumers' demand, the access of allowing various different forms of electricity generation, the optimization that starts electricity market and assets.
The construction of power industry intelligent grid needs the broadband wireless private network that high-speed bidirectional communication is provided; Because the broadband wireless technology has the collection narrowband voice and wideband data is an one; Have high power capacity, coverage is big, high bandwidth; Support to move, switch and characteristics such as roaming and safety, become China's intelligent grid and build institute's accepted standard.Correspondingly, just the corresponding acquisition terminal of needs can the access band wireless network for the power consumer power information acquisition system in this intelligent grid.And various acquisition terminal of the prior art all is based on the terminal of GPRS (General Packet Radio Service, general packet wireless business) public network basically, can not the access band wireless network.
Summary of the invention
Goal of the invention: to the deficiency of prior art, the present invention provides a kind of power information acquisition terminal and method, to realize the access of acquisition terminal to broadband wireless network.
Technical scheme: a kind of power information acquisition terminal of the present invention comprises: UART expansion module, the power information data that are used to gather power consumer equipment; Primary processor links to each other with said UART expansion module through bus, is used to obtain the power information data that said UART expansion module is gathered, and said power information data are handled; Memory module links to each other with said primary processor through bus, is used to store the power information data after the said master processor processes; Radio-frequency module; Link to each other with said primary processor through digital interface; Be used for the power information data after the said master processor processes are sent to main website through broadband wireless network; And receive instruction from main website, said instruction is sent to said primary processor, so that said primary processor is carried out the operation of corresponding said instruction.
Preferably, said primary processor comprises: protocol stack module and baseband processing module; Wherein: said protocol stack module; Being used for that the power information data of said UART expansion module collection are carried out frame delimits; Pick out interfering data and erroneous frame, and the power information data in the correct frame are saved in the said memory module and/or to said power information data repack and be sent to said baseband processing module; Said baseband processing module is used to carry out Base-Band Processing.
Preferably, said protocol stack module, the power information data-switching that specifically is used for said correct frame is a document form, and the user profile data after will changing are saved in the said memory module; And/or with the protocol frame format of said power information data-switching for adapting with said broadband wireless network, and the user profile data after will changing are sent to said baseband processing module.
Preferably, said radio-frequency module also is used for sending voice signal from the main website reception or to main website; Correspondingly, said primary processor also comprises: speech processing module is used for said voice signal is carried out encoding and decoding.
Preferably, said radio-frequency module is used to also to receive that main website sends is used for broadcast message that said power information acquisition terminal is managed concentratedly; Correspondingly, said primary processor also comprises: the Clock management module is used for according to said broadcast message adjustment local clock.
Preferably, said primary processor also comprises: debug port, be used to download, and in said memory module, and utilize said program that said power information acquisition terminal is debugged said procedure stores.
Preferably, said UART expansion module comprises following any one or more interfaces: RS485 interface, infrared interface.
Alternatively, said power information acquisition terminal also comprise following arbitrarily once or a plurality of module: the state indicating module is used for below the indication any one or various states: power supply status, network state, communications status, signal condition; Battery management module; Be used to detect the electric weight that the battery of power supply is provided for said power information acquisition terminal; And after the electric weight that detects said battery is lower than predetermined value, notify said primary processor control corresponding circuits to be battery charge or after the power down of said power information acquisition terminal, to cut off powered battery in required time; LCD MODULE links to each other with said primary processor through the PWM interface, is used to show said power information data; Local communication module is used for receiving the power information data that other power information acquisition terminals send through wireless mode or carrier system; Analog-to-digital conversion module is used to import the analog electrical signal of power consumer equipment, and converts said analog electrical signal into digital signal, and sends said digital signal to said primary processor.
A kind of power information acquisition method comprises: gather the power information data of power consumer equipment, and said power information data are handled; Power information data after the stores processor, and/or said power information data are sent to main website through broadband wireless network.
Preferably, said said power information data are handled comprises: said power information data are carried out frame delimit, pick out interfering data and erroneous frame, obtain the power information data in the correct frame.
Preferably, the power information data after the said stores processor comprise: the power information data in the said correct frame are stored with document form.
Preferably, saidly said power information data are sent to main website through broadband wireless network comprise: the power information data in the correct frame are repacked, and after carrying out Base-Band Processing and radio frequency processing, send to main website through broadband wireless network.
Beneficial effect: electrical information acquisition terminal and method that the present invention adopts, through in said power information acquisition terminal, radio-frequency module being set, realized the broadband data communication between terminal and the main website.
Description of drawings
Fig. 1 is the logical organization synoptic diagram of existing power consumer power information acquisition system;
Fig. 2 is the logical organization synoptic diagram of embodiment of the invention power information acquisition terminal in network;
Fig. 3 is a kind of structural representation of embodiment of the invention power information acquisition terminal;
Fig. 4 is the another kind of structural representation of embodiment of the invention power information acquisition terminal;
Fig. 5 is the another kind of structural representation of embodiment of the invention power information acquisition terminal;
Fig. 6 is the another kind of structural representation of embodiment of the invention power information acquisition terminal;
Fig. 7 is the process flow diagram of embodiment of the invention power information acquisition method.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
In order to adapt to the demand that current intelligent grid is built, power information acquisition terminal provided by the invention and method through in said power information acquisition terminal, radio-frequency module being set, realize the broadband data communication between terminal and the main website.
As shown in Figure 2, be the logical organization synoptic diagram of embodiment of the invention power information acquisition terminal in network.Wherein, Carry out two-way communication through broadband wireless network between power information acquisition terminal and the main website; Said broadband wireless network can be based on McWiLL (Multi-Carrier Wireless Information LocalLoop; Multi-carrier-wave wireless information local loop) the mobile broadband wireless access networks network of technology, and can expand to different power consumer equipment, realize that the prior art special secondary school becomes functions such as acquisition terminal, concentrator and long-range multifunction electric meter.
As shown in Figure 3, be a kind of structural representation of embodiment of the invention power information acquisition terminal.In this embodiment, said power information acquisition terminal comprises: UART expansion module 300, primary processor 301, memory module 302 and radio-frequency module 303.Wherein: UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous reception/transmission) expansion module 300, the power information data that are used to gather power consumer equipment; Primary processor 301 links to each other with said UART expansion module 300 through bus, is used to obtain the power information data that said UART expansion module 300 is gathered, and said power information data are handled; Memory module 302 links to each other with said primary processor 301 through bus, is used to store the power information data after said primary processor 301 is handled; Radio-frequency module 303; Link to each other with said primary processor 301 through digital interface; Be used for the power information data after said primary processor 301 processing are sent to main website through broadband wireless network; And receive instruction from main website, said instruction is sent to said primary processor 301, so that said primary processor 301 is carried out the operation of corresponding said instruction.
In a kind of preferred structure of the embodiment of the invention, said primary processor 301 comprises: protocol stack module 311 and baseband processing module 312; Wherein: said protocol stack module 311; Being used for that the power information data that said UART expansion module 300 is gathered are carried out frame delimits; Pick out interfering data and erroneous frame, and the power information data in the correct frame are saved in the said memory module 302 and/or to said power information data repack and be sent to said baseband processing module 312; Said baseband processing module 312 is used to carry out Base-Band Processing, such as, encoding and decoding, interweave, operations such as spread spectrum, baseband filtering, concrete identical with prior art, repeat no more at this.Particularly, said protocol stack module 311 can be document form with said power information data-switching, and the user profile data after will changing be saved in the said memory module 302.In addition, said protocol stack module 311 can also be the protocol frame format that adapts with said broadband wireless network with said power information data-switching, and the user profile data after will changing be sent to said baseband processing module 312.In addition, in embodiments of the present invention, said radio-frequency module 303 also can be used for sending voice signal from the main website reception or to main website; Said primary processor 301 also can further comprise: speech processing module 313; Be used for voice signal is carried out encoding and decoding; Particularly; Voice signal to this locality encodes, the back signal of will encoding then sends to after baseband processing module 312 carries out Base-Band Processing, sends to main website by radio-frequency module 303 through broadband wireless network; The voice signal that receives from main website for radio-frequency module 303 after being handled by baseband processing module 312, is decoded to it by speech processing module 313, thereby realizes the voice communication of said power information acquisition terminal and main website.
In embodiments of the present invention, said radio-frequency module 303 is used to also to receive that main website sends is used for broadcast message that said power information acquisition terminal is managed concentratedly; Correspondingly, said primary processor 301 also can further comprise: Clock management module (not shown) is used for according to said broadcast message adjustment local clock.Experiment showed, and can clocking error be reduced in the 20ms that simultaneously, main website can also utilize broadcast capability to realize the concentrated synchro control to a plurality of power information acquisition terminals.In practical application, said primary processor 301 can adopt the dual core processor of ARM (Advanced RISC Machines)+DSP (Digital Signal Processing, digital signal processing) as the control and the arithmetic core of whole acquisition terminal.Wherein, ARM mainly realizes High-speed Control, and DSP mainly realizes the various communications of algorithms and digital signal processing.Can in ARM and DSP, embed the ICP/IP protocol stack with Q/GDW376.2 etc. multiple electric power communication protocol, to realize processing to image data.In addition, can also embed and be used for the related protocol that broadcasting instructions is resolved, with the parsing that realizes said radio-frequency module 303 is received from the broadcast announcement of main website.Said memory module 302 can comprise: the storer of OneNANDFlash, NORFlash and SDRAM types such as (Synchronous Dynamic Random Access Memory, Synchronous Dynamic Random Access Memories).FLASH is used for stored programme and a large amount of image data, and these data are inquired about as requested, revise, deleted or add, can the buffer memory ROMPaq, and FLASH is all open towards power consumer.SDRAM mainly satisfies the computing needs, improves arithmetic speed, and the 4MByte user oriented among the SDRAM is open.Said radio-frequency module 303 comprises receiving circuit and radiating circuit; In said receiving circuit, can integratedly be input to all functions module that high precision I/Q exports from the low noise bandwidth amplifier; In said radiating circuit, can integratedly be input to all functions module that radio frequency is exported from I/Q; Can also be in said radio-frequency module 303 integrated voltage controlled oscillator and fractional frequency-division phase-locked loop and high-precision direct current offset calibration circuit, to satisfy the application demand under varying environment.In embodiments of the present invention, said UART expansion module can comprise following any one or more interfaces: RS485 interface, infrared interface.
Below further combine the structure of user profile acquisition terminal shown in Figure 3 to specify its course of work.When needs are gathered the power information data of power consumer equipment; At first obtain power information data from electric energy meter or collector by UART expansion module 300; The RS485 interface that provides through UART expansion module 300 then sends said power information data to primary processor 301 according to the power communication agreement, and primary processor 301 is handled these data according to certain form and requirement; Such as; According to real time data, day data, month data and emphasis data it is placed in the different files, then these files is saved in the memory module 301, so that retrieve, search, revise and delete; Improve storage efficiency, and then improve data processing speed and processing power.The infrared interface that can also be provided by UART expansion module 300 in addition, realizes that local data sets copied, control and acquisition function.
In addition; Primary processor 301 can also be handled said power information data with the form of incident; And then according to Q/GDW376.2 etc. the electric power stipulations; Said data are stored in the said memory module 302 according to the packing of certain transformat, perhaps send to radio-frequency module 303, to carry out uplink according to the radio frames form that adapts with said broadband wireless network.Radio-frequency module 303 is modulated to suitable frequency range with the radio frames of receiving, such as 1785MHz～1805MHz frequency range, through broadband wireless network the power consumer image data is sent to main website.
In embodiments of the present invention, said radio-frequency module 303 can also receive the control informations such as instruction from main website, sends corresponding instruction such as main website through broadcasting.Said radio-frequency module 303 is received the baseband processing module 312 that sends primary processor 301 after this instruction to, by baseband processing module 312 it is resolved, and obtains corresponding instruction information, the operations that primary processor 301 is carried out instructing.
Embodiment of the invention user profile acquisition terminal can the access band wireless network; Realized the broadband wireless data transmission between acquisition terminal and the main website; The up-downgoing data rate can reach 1.6Mbps simultaneously; The data rate that is much higher than existing power information acquisition terminal (is generally 20～30kbps), and has realized integrated designs such as broadband wireless communications, protocol stack, data storage, interface expansion, so not only reduced the cost of equipment; And improved the stability of equipment, also be easier to debugging in process of production.When storage power information data, preferably the data of being stored are carried out management work with the mode of file, be convenient to application-oriented, stronger to the processing power of data.
In addition; Embodiment of the invention user profile acquisition terminal; Can embed different electric power communication protocols, such as Q/GDW376.2 etc., thereby realize corresponding various power information acquisition terminal for example concentrator, specially become the function of acquisition terminal, long-range multifunction electric meter.To illustrating respectively below this.
As shown in Figure 4, be the another kind of structural representation of embodiment of the invention user profile acquisition terminal.
In this embodiment, shown the application mode of said user profile acquisition terminal as the communication module in the long-range multifunctional electric energy meter.
Compare with embodiment illustrated in fig. 3, in this embodiment, said primary processor 301 also comprises following any one or more ports: debug port, outside RS-485 port.Wherein: said debug port, be used to download, in said memory module 302, and utilize said program that said power information acquisition terminal is debugged said procedure stores.Said outside RS-485 port, the data that can be used to gather a plurality of external electric energy tables.In addition; In this embodiment; Said user profile acquisition terminal also can further comprise: state indicating module 304, link to each other with said primary processor 301, and be used for any one or various states below the indication: power supply status, network state, communications status, signal condition.In addition; In this embodiment; Said user profile acquisition terminal also can further comprise: battery management module 305; In detecting is the electric weight that said power information acquisition terminal provides the battery of power supply, and after the electric weight that detects said battery is lower than predetermined value, notifies said primary processor control corresponding circuits to be battery charge or after the power down of said power information acquisition terminal, to cut off powered battery in required time.
As shown in Figure 5, be the another kind of structural representation of embodiment of the invention user profile acquisition terminal.
In this embodiment, shown the application mode of said user profile acquisition terminal as concentrator.Compare with embodiment illustrated in fig. 3; In this embodiment; Said power information acquisition terminal also can further comprise: LCD MODULE 501 links to each other with said primary processor 301 through PWM (Pulse Width Modulation, width modulation) interface; Be used to show said power information data, such as: information such as current power, voltage, electric current, power factor, electric weight.
In this embodiment; Said power information acquisition terminal also can further comprise: local communication module 502; Be used for receiving the power information data that other power information acquisition terminals send through wireless mode or carrier system; And send these information to primary processor 301, and by primary processor 301 it is handled again, be uploaded to main website such as the power information data that are stored in this locality or gather with this locality.Certainly, the debug port described in the user profile acquisition terminal shown in Figure 4, outside RS-485 port, and battery management module equally also can be applied among this embodiment.
As shown in Figure 6, be the another kind of structural representation of embodiment of the invention user profile acquisition terminal.
In this embodiment, shown that said user profile acquisition terminal is as the application mode that specially becomes acquisition terminal.Compare with embodiment illustrated in fig. 3; In this embodiment; Said power information acquisition terminal also can further comprise: analog-to-digital conversion module 601; Be used to import the analog electrical signal of power consumer equipment, and convert said analog electrical signal into digital signal, and send said digital signal to said primary processor 301.Certainly, the debug port described in the user profile acquisition terminal shown in Figure 4, outside RS-485 port, and battery management module equally also can be applied among this embodiment.It is thus clear that embodiment of the invention power information acquisition terminal can be directed against different application environments, realize various power information acquisition terminals for example concentrator, specially become the corresponding function of acquisition terminal, long-range multifunction electric meter.And realized the access problem of broadband wireless network; Also further solve existing acquisition terminal and do not had the broadcasting and the DTE (DataTerminalEquipment that solve; DTE) with technical matters such as DCE (Data Communications Equipment, data communications equipment) integrated design.Correspondingly, the embodiment of the invention also provides a kind of power information acquisition method, and is as shown in Figure 7, is the process flow diagram of this method, may further comprise the steps:
Step 701, the power information data of gathering power consumer equipment, and said power information data are handled;
Particularly, said said power information data are handled comprises: said power information data are carried out frame delimit, pick out interfering data and erroneous frame, obtain the power information data in the correct frame.Detailed process can repeat no more at this with reference to the description of front.
Step 702, the power information data after the stores processor, and/or said power information data are sent to main website through broadband wireless network.
When the said power information data of storage, can adopt the form of file to preserve these data, to manage with convenient data storage, aspect user's application improves the processing power to data.If desired said power information data are sent to main website through broadband wireless network, then also will repack, and after carrying out Base-Band Processing and radio frequency processing, send to main website through broadband wireless network to the power information data in the said correct frame.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in the computer read/write memory medium; Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
The invention provides the thinking of a kind of power information acquisition terminal and method, realize that specifically the method for this technical scheme and approach are a lot, the above only is a preferred implementation of the present invention; Should be understood that; For those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching; These improvement and retouching also should be regarded as protection scope of the present invention, and all available prior art of each ingredient not clear and definite in the present embodiment realizes.
Claims (9)
1. a power information acquisition terminal is characterized in that, comprising: UART expansion module, the power information data that are used to gather power consumer equipment; Primary processor links to each other with said UART expansion module through bus, is used to obtain the power information data that said UART expansion module is gathered, and said power information data are handled; Memory module links to each other with said primary processor through bus, is used to store the power information data after the said master processor processes; Radio-frequency module; Link to each other with said primary processor through digital interface; Be used for the power information data after the said master processor processes are sent to main website through broadband wireless network; And receive instruction from main website, said instruction is sent to said primary processor, so that said primary processor is carried out the operation of corresponding said instruction.
2. power information acquisition terminal according to claim 1 is characterized in that, said primary processor comprises: protocol stack module and baseband processing module; Wherein: said protocol stack module; Being used for that the power information data of said UART expansion module collection are carried out frame delimits; Pick out interfering data and erroneous frame, and the power information data in the correct frame are saved in the said memory module and/or to said power information data repack and be sent to said baseband processing module; Said baseband processing module is used to carry out Base-Band Processing.
3. power information acquisition terminal according to claim 2; It is characterized in that; Said protocol stack module, the power information data-switching that specifically is used for said correct frame is a document form, and the user profile data after will changing are saved in the said memory module; And/or with the protocol frame format of said power information data-switching for adapting with said broadband wireless network, and the user profile data after will changing are sent to said baseband processing module.
4. power information acquisition terminal according to claim 2 is characterized in that, said radio-frequency module also is used for sending voice signal from the main website reception or to main website; Said primary processor also comprises: speech processing module is used for said voice signal is carried out encoding and decoding.
5. power information acquisition terminal according to claim 2 is characterized in that, said radio-frequency module is used to also to receive that main website sends is used for broadcast message that said power information acquisition terminal is managed concentratedly; Said primary processor also comprises: the Clock management module is used for according to said broadcast message adjustment local clock.
6. power information acquisition terminal according to claim 2; It is characterized in that said primary processor also comprises: debug port is used to download; In said memory module, and utilize said program that said power information acquisition terminal is debugged said procedure stores.
7. power information acquisition terminal according to claim 1 is characterized in that, said UART expansion module comprises following any one or more interfaces: RS485 interface, infrared interface.
8. according to each described power information acquisition terminal of claim 1 to 7; It is characterized in that; Also comprise following arbitrarily once or a plurality of module: the state indicating module is used for below the indication any one or various states: power supply status, network state, communications status, signal condition; The pond administration module; Be used to detect the electric weight that the battery of power supply is provided for said power information acquisition terminal; And after the electric weight that detects said battery is lower than predetermined value, notify said primary processor control corresponding circuits to be battery charge or after the power down of said power information acquisition terminal, to cut off powered battery in required time; LCD MODULE links to each other with said primary processor through the PWM interface, is used to show said power information data; Local communication module is used for receiving the power information data that other power information acquisition terminals send through wireless mode or carrier system; Analog-to-digital conversion module is used to import the analog electrical signal of power consumer equipment, and converts said analog electrical signal into digital signal, and sends said digital signal to said primary processor.
9. a power information acquisition method is characterized in that, comprising: gather the power information data of power consumer equipment, and said power information data are handled; Power information data after the stores processor, and/or said power information data are sent to main website through broadband wireless network; Said said power information data are handled comprises: said power information data are carried out frame delimit, pick out interfering data and erroneous frame, obtain the power information data in the correct frame; Power information data after the said stores processor comprise: the power information data in the said correct frame are stored with document form; Saidly said power information data are sent to main website through broadband wireless network comprise: the power information data in the correct frame are repacked, and after carrying out Base-Band Processing and radio frequency processing, send to main website through broadband wireless network.
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| CN107064621A (en) * | 2017-04-10 | 2017-08-18 | 合肥工业大学 | Intelligent electric meter data compression method and system |
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