CN101814226B - Ammeter wireless monitoring interface devices and wireless monitoring system - Google Patents
Ammeter wireless monitoring interface devices and wireless monitoring system Download PDFInfo
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Abstract
The invention relates to an ammeter wireless monitoring system which comprises an ammeter wireless sensor network and a community wireless monitoring center (3). The community wireless monitoring center (3) comprises a central information management control system (31) and a central wireless transmitter (32), and the ammeter wireless sensor network comprises more than one ammeter wireless monitoring interface device (1) and building wireless repeater (2), wherein each ammeter wireless monitoring interface device (1) is connected with a user ammeter and forms a node of the ammeter wireless sensor network, each building wireless repeater (2) forms a convergent node of the ammeter wireless sensor network, and the community wireless monitoring center (3) remotely manages and controls the ammeter by the ammeter wireless sensor network.
Description
Technical field
The present invention relates to ammeter is carried out the equipment and the system of remote wireless management and control, particularly a kind of ammeter wireless monitor interface arrangement and wireless supervisory control system.
Background technology
Along with the day by day increase of society to electricity needs, power supply enterprise more and more needs the method that can effectively monitor and control electric supply meter.Present automatic data logging technology mainly is divided into wired and wireless two big types, because the installation of wired automatic data logging technology is complicated, maintenance cost is higher, and coverage is little, and therefore, the wireless automatic meter reading The Application of Technology more and more widely.One Chinese patent application CN1304030A (number of patent application is 00114330.1) and CN1414346A (number of patent application is 02110461.1) all disclose based on wireless long-distance meter-reading system; Though these systems can carry out copying and managing of ammeter data; But they can not realize two-way communication, and cost is higher.
The power department that appears as of wireless sensor network technology provides new method to the monitoring and the control of electric supply meter, and wireless sensor network is built conveniently, and cost is lower.One Chinese patent application CN101425219A (number of patent application is 200710056240.3) discloses a kind of intelligent telemetering electric meter based on wireless sensor network, and it comprises special-purpose radio-frequency unit, micro controller unit, PMU, power information collecting unit, external memory unit, liquid crystal display and fault detection unit; Though the transmitted in both directions that it can realize information between remote power feeding enterprise and the electric supply meter requires user installation or changes the described ammeter of patented claim, this will cause the waste of big electrometer; In addition, this patent does not also possess pre-payment and anti-stealing electricity function, can not satisfy current application demand well.
Chinese patent CN1808511A (patent No. is 200610054060.7) discloses a kind of automatic KWH meter control system, and it comprises between computer control managing system and several concentrators and being connected through at least a mode among PSTN, data radio station and the GPRS; Concentrator is connected with several ammeters with the PLC mode through RF, accomplishes control and management to ammeter; Be connected with each other through RF mode and PLC mode between each ammeter.Though it has realized automatic meter-reading, can monitor the operation conditions of every ammeter again, feed back stealing information rapidly, there is following problem in it:
1, concentrator is connected with several ammeters through the PLC mode, and line of electric force receives the influence of load, makes the impedance fluctuations on its circuit bigger, has influenced the reliability of signal; For the intensive area of user, the ammeter on same power circuit is more, and they coexist at same broadcast domain, and the mutual interference of signal phase is very big, and it is lower to add the power carrier transfer rate, so the real-time of monitoring is relatively poor; When circuit cuts off the power supply, Surveillance center will lose the monitoring to this ammeter state, the chance of taking advantage of a weak point to the lawless person; In addition, line of electric force receives the restriction in zone, and power carrier signal is not easy to stride the transmission of platform district;
2, when modes such as adopting GPRS, PSTN or radio station realizes the real-time information transmission, rent public network, expense is higher;
3, this system need have the ammeter of PLC and RF module, makes that the system building cost is higher, and the user must change ammeter.
Summary of the invention
The ammeter wireless monitor interface arrangement that the objective of the invention is to overcome the above-mentioned deficiency of prior art and provide a kind of ammeter wireless supervisory control system and this system to use; This system can carry out remote real-time monitoring to electric supply meter; And can anti-electricity-theft and pre-payment; The transmission of its signal is reliable in time, installation and maintenance are simple, cheap, and need not change ammeter, need not rent public network, and the signal transmission does not receive the influence of line of electric force.
Technical scheme of the present invention is: a kind of ammeter wireless monitor interface arrangement, and it comprises microcontroller, ammeter information storer, wireless transceiver, power supply and power switch; Ammeter information storer, wireless transceiver and power switch all are connected with microcontroller, and power supply is that ammeter information storer, wireless transceiver, power switch and microcontroller provide working power; Microcontroller is provided with the interface that can be connected with ammeter, is used for communicating by letter with ammeter, and microcontroller is the control assembly of ammeter wireless monitor interface arrangement, controls the operation of whole ammeter wireless monitor interface arrangement; Wireless transceiver carries out two-way communication with microcontroller on the one hand, can set up wireless autonomous multihop network on the other hand, and will realize wireless receiving and dispatching with the information of micro-controller communications; Power switch is serially connected in the electric power incoming line front end of electric supply meter, and microcontroller can be controlled the break-make of power switch, and the break-make with control electric supply meter power supply realizes the control to user's power supply.
The further technical scheme of the present invention is: it also includes infrared sensor; Infrared sensor is connected with microcontroller; Infrared sensor is used for the operation conditions of monitor user ' ammeter and ammeter wireless monitor interface arrangement, and the information of monitoring is returned to microcontroller.
The present invention's technical scheme further is: described infrared sensor comprises infrared sensing signal processing chip and pyroelectricity element; The infrared sensing signal processing chip is the BISS0001 chip, and the pyroelectricity element is the RE200B element, and RE200B pyroelectricity element can be an electric signal with extraneous physics conversion of signals; Be used to gather heat transfer agent; 2 pin of RE200B are connected with 14 pin of BISS0001, and RE200B sends to BISS0001 with the heat transfer agent of gathering and handles, and 12 pin of BISS0001,2 pin are connected with 3 pin, 23 pin of microcontroller MSP430 respectively; BISS0001 sends microcontroller MSP430 to after handling the heat transfer agent of RE200B collection again.
The further again technical scheme of the present invention is: described microcontroller is the MSP430 chip; The ammeter information storer is a serial Flash AT45DB021D storage chip, and FlashAT45DB021D is connected with microcontroller MSP430 through the SPI serial line interface; Wireless transceiver comprises communication chip and wireless signal transceiver; Communication chip is the CC2420 chip; Be responsible for setting up wireless multi-hop network; 27 pin of communication chip CC2420,28 pin, 29 pin, 30 pin, 31 pin, 32 pin, 33 pin and 34 pin are connected with 14 pin, 13 pin, 18 pin, 17 pin, 44 pin, 47 pin, 45 pin, 46 pin of microcontroller MSP430 respectively, realize carrying out message exchange with microcontroller MSP430; Wireless signal transceiver comprises dual-mode antenna and impedance matching circuit, and dual-mode antenna is connected with the CC2420 radio-frequency head through impedance matching circuit, and CC2420 carries out the information wireless signal transmitting and receiving through dual-mode antenna; Described power switch is a pilot relay, and the trigger end pin of pilot relay is connected with 37 pin of microcontroller MSP430, and its normally closed pin is serially connected in the electric power incoming line front end of electric supply meter, and microcontroller MSP430 is through the break-make of 37 foot control system power switchs; Described power supply comprises power transfer module and battery, and power transfer module converts the 220V alternating current direct current of 3V into, working power is provided for ammeter wireless monitor interface arrangement, and battery is a standby power supply.
Another technical scheme of the present invention is: a kind of ammeter wireless supervisory control system is characterized in that: it comprises ammeter wireless sensor network and community wireless Surveillance center; Community wireless Surveillance center comprises central information management control system and center wireless transmitter; The central information management control system comprises computer system, information processing and Control Software and Database Systems, and information processing and Control Software and Database Systems are installed in the computer system; The center wireless transmitter comprises microcontroller, wireless transceiver, information-storing device and power supply, and the microcontroller of center wireless transmitter is connected with computer system, realizes communicating with computing system; The ammeter wireless sensor network comprises an above ammeter wireless monitor interface arrangement; Each ammeter wireless monitor interface arrangement is connected with an electric supply meter; Each ammeter wireless monitor interface arrangement constitutes a node of ammeter wireless sensor network; Ammeter wireless monitor interface arrangement can be communicated by letter with electric supply meter on the one hand; Be responsible for setting up the ammeter wireless sensor network on the other hand, ammeter wireless monitor interface arrangement transmits ammeter information through the ammeter wireless sensor network to the center of community wireless Surveillance center wireless transmitter, and the center wireless transmitter sends ammeter information to computer system again and handles; Community wireless Surveillance center also transmits control signal and reads and writes ammeter information to ammeter wireless monitor interface arrangement through the ammeter wireless sensor network, realizes management and control to ammeter.
The present invention further another technical scheme is: described ammeter wireless sensor network also comprises an above building wireless relay device; The building wireless relay device comprises microcontroller, wireless transceiver, information-storing device, infrared sensor and power supply; Each building wireless relay device constitutes an aggregation node of ammeter wireless sensor network, and promptly each building wireless relay device is participated in the establishment of ammeter wireless sensor network and become an aggregation node of ammeter wireless sensor network; The building wireless relay device is responsible for the transfer of communicating by letter of an above ammeter wireless monitor interface arrangement and community wireless Surveillance center; It is the ammeter information that the building wireless relay device is responsible for collecting its contiguous ammeter wireless monitor interface arrangement; Ammeter information is sent to community wireless Surveillance center; Also be responsible for transmitting the control command and the data of community wireless Surveillance center simultaneously to the ammeter wireless monitor interface arrangement of appointment; A contiguous above ammeter wireless monitor interface arrangement of each building wireless relay device has constituted the building ammeter wireless sensor network of a part, and local building ammeter wireless sensor network communicates through building wireless relay device and community wireless Surveillance center.
The present invention's another technical scheme further is: the microcontroller of the center wireless transmitter of described community wireless Surveillance center is the MSP430 chip; The wireless transceiver of center wireless transmitter is the CC2420 radio transmitting and receiving chip; The information-storing device of center wireless transmitter is a Flash AT45DB081D storage chip; MSP430 is connected with the serial ports of the computer system of central information management control system, and realization center wireless transmitter is communicated by letter with the central information management control system; The microcontroller of described building wireless relay device is the MSP430 chip; The wireless transceiver of building wireless relay device is the CC2420 radio transmitting and receiving chip; The information-storing device of building wireless relay device is a Flash AT45DB041D storage chip, and the infrared sensor of building wireless relay device comprises BISS0001 infrared sensing signal processing chip and RE200B pyroelectricity element.
The present invention compared with prior art has following advantage:
1, configuration is installed simply, monitor network is built conveniently, and need not to change ammeter, can gather the ammeter with pulse interface or serial ports, is fit to most electric supply meters;
2, have real-time collection and storage ammeter informational function, this device is gathered ammeter information through pulse interface or serial ports, adopts the wireless multi-hop pass-through mode, sends to community wireless Surveillance center in real time or periodically;
3, adopt infrared sensor to realize anti-stealing electricity function, even under power-off condition, standby power supply still can guarantee ammeter wireless monitor interface arrangement operate as normal, prevents that the lawless person from carrying out illegal operation to ammeter under power-off condition;
4, have ammeter break-make control function, this ammeter wireless monitor interface arrangement has power switch, can control the break-make of electric supply meter, realizes the wireless remote control to electric supply meter;
5, have pre paid functionality, this ammeter radio interface device can be realized pre paid functionality through the information in the wireless mode change interface arrangement on ordinary electric meter;
6, interface arrangement and supervisory system all adopt the communication of 2.4GHz frequency range, and message transmission rate is higher, strong interference immunity, and need not to pay any communication cost.
In order to be illustrated more clearly in the present invention, enumerate following examples, but it there is not any restriction to scope of invention.
Description of drawings
Fig. 1 is the structured flowchart of ammeter wireless monitor interface arrangement of the present invention;
Fig. 2 is the microcontroller and the peripheral electrical schematic diagram of ammeter wireless monitor interface arrangement of the present invention;
Fig. 3 is the wireless transceiver and the peripheral electrical schematic diagram of ammeter wireless monitor interface arrangement of the present invention;
Fig. 4 is the infrared sensor and the peripheral electrical schematic diagram of ammeter wireless monitor interface arrangement of the present invention;
Fig. 5 is the power transfer module electrical schematic diagram of ammeter wireless monitor interface arrangement of the present invention;
Fig. 6 is the power switch electrical schematic diagram of ammeter wireless monitor interface arrangement of the present invention;
Fig. 7 is the topological structure synoptic diagram of ammeter wireless supervisory control system of the present invention;
Fig. 8 is the structured flowchart of the building wireless relay device of ammeter wireless supervisory control system of the present invention;
Fig. 9 is the structured flowchart of center wireless transmitter of the community wireless Surveillance center of ammeter wireless supervisory control system of the present invention;
Figure 10 is the ammeter wireless monitor interface arrangement of ammeter wireless supervisory control system of the present invention and the scheme of installation of building wireless relay device.
Embodiment
Shown in Fig. 1-2, a kind of ammeter wireless monitor interface arrangement, it mainly comprises microcontroller, ammeter information storer, wireless transceiver, infrared sensor, power supply and power switch; Microcontroller adopts 16 MSP430 chips of TI company super low-power consumption; The MSP430 rich interface; Stable performance, MSP430 adopts TinyOS 1.x operating system, and TinyOS 1.x is based on assembly, module and event driven wireless sensor network special-purpose operating system; It is little to take up room, and travelling speed is fast; The ammeter information storer adopts the serial Flash AT45DB021D storage chip of 2MB; This chip exterior circuit is simple; Volume is less; Power consumption is lower; Ammeter information storer FlashAT45DB021D is connected with the I/O interface (being 32 pin P3.4/UTXDO end, 33 pin P3.5/URXDO end, the 31 pin P3.3/UCLKO end of MSP430) of the USARTO/UART mode of microcontroller MSP430 through SPI serial line interface (i.e. 1 pin SI end, 8 pin SO end, 2 pin SCK end), and microcontroller MSP430 carries out the Information Access operation through the I/O interface of USARTO/UART mode to ammeter information storer FlashAT45DB021D.
As shown in Figure 3, wireless transceiver comprises communication chip and wireless signal transceiver; Communication chip adopts the CC2420 chip of TI company; This chip operation is in the 2.4GHz frequency range, and speed reaches 250Kbps, low in energy consumption, networking flexibility; Help forming wireless multi-hop network and carry out the signal transmission; The reliability that enhance wireless signal transmits, this chip can also be carried out 128 AES encryptions, ensure information security; The 27 pin SFD end of communication chip CC2420,28 pin CCA end, 29 pin FIFOP end, 30 pin FIFO end, 31 pin CSn end, 32 pin SCLK end, 33 pin SI end and 34 pin SO end are connected with 14 pin P1.2/TA1 end, 13 pin P1.1/TA0 end, 18 pin P1.6/TA1 end, 17 pin P1.5/TA0 end, 44 pin P5.0/STE1 end, 47 pin P5.3/UCLK1 end, 45 pin P5.1/SIMO1 end, the 46 pin P5.2/SOMI1 end of microcontroller MSP430 respectively; The 21 pin RESETn end of CC2420,41 pin VREG_EN end are held be connected (shown in figure-3) with 51 pin P5.7/TBOUTH end, the 12 pin P1.0/TACLK of MSP430 respectively; Wherein the 32 pin SCLK of communication chip CC2420 end, 33 pin SI end and 34 pin SO end are formed a SPI interface; Be responsible for carrying out reading and writing data with microcontroller MSP430; The 27 pin SFD end of communication chip CC2420,28 pin CCA end, 29 pin FIFOP end and 30 pin FIFO end are responsible for carrying out the control of reading and writing data with microcontroller MSP430; The SFD of CC2420 (27 pin) representes that start-of-frame receives during for high level and finishes; Begin to receive data, this port can keep high level always, till Data Receiving finishes; The CCA of CC2420 representes when holding (28 pin) for high level that data transmission channel is idle; Otherwise channel busy, the FIFOP of CC2420 representes that send buffer overflows when holding (29 pin) for high level, otherwise does not overflow; The FIFO of communication chip CC2420 representes that send buffer has data when holding (30 pin) for high level, representes during low level that buffer zone is empty; Wireless signal transceiver comprises dual-mode antenna and impedance matching circuit; Dual-mode antenna is connected with communication chip CC2420 radio-frequency head (6 pin RF_P end, 8 pin RF_N end) through impedance matching circuit, and communication chip CC2420 carries out the wireless signal transmitting-receiving through dual-mode antenna; Communication chip CC2420 also is connected with the crystal oscillator clock circuit (Y1, C3, C4) of 16M.
As shown in Figure 4; Infrared sensor comprises infrared sensing signal processing chip and pyroelectricity element; The infrared sensing signal processing chip adopts the BISS0001 chip; The pyroelectricity element adopts the RE200B element, and RE200B pyroelectricity element can be an electric signal with extraneous physics conversion of signals, realizes gathering the purpose of heat transfer agent; The 2 pin S end of RE200B is connected with the 14 pin 1IN+ end of BISS0001; RE200B sends to infrared sensing signal processing chip BISS0001 with the heat transfer agent of gathering through 2 pin S end and handles, and the 12 pin 2OUT end of BISS0001,2 pin VO hold through connection terminal J1 and are connected with 3 pin P6.4/A4 end, the 23 pin P2.3/CA0/TA1 end of microcontroller MSP430 respectively, after infrared sensing signal processing chip BISS0001 handles the heat transfer agent of RE200B collection; Send the data after handling to microcontroller MSP430; When the people taked stealing or other to destroy measure to ammeter wireless monitor interface arrangement, infrared sensor just can in time send the heat transfer agent of gathering to microcontroller MSP430 and go to handle like this, and the data after MSP430 will handle outwards transmit through wireless transceiver again.
As shown in Figure 5; Power supply adopts the power transfer module power supply; Power transfer module comprises step-down mutual inductor T1, rectification circuit D1, filtering circuit (C1, C2) and DC-DC communication power supply module; DC-DC communication power supply module adopts the AV10-48S03 module; Power transfer module through processes such as step-down, rectification, filtering, converts the 220V alternating current direct current of 3V into, gives ammeter wireless monitor interface arrangement of the present invention (microcontroller, wireless transceiver, ammeter information storer, infrared sensor etc.) power supply.Power transfer module also can directly adopt the LB05-10B03 module, realizes that converting the 220V source into the 3V direct supply provides working power to the present invention.Ammeter wireless monitor interface arrangement of the present invention also is connected to No. 5 1.5V batteries of two joints, and as standby power supply, when outside 220V power supply had a power failure, it was the power supply of ammeter wireless monitor interface arrangement that system can be automatically changeb to No. 5 1.5V batteries of two joints.
As shown in Figure 6; Power switch is selected pilot relay for use; The trigger end pin of pilot relay is connected with the 37 pin P4.1/TB1 end of microcontroller MSP430; Its normally closed pin is serially connected in the electric power incoming line front end of electric supply meter, and microcontroller MSP430 controls the break-make of power switch through 37 pin P4.1/TB1 end, thereby can realize the control to user power utilization.
As shown in Figure 2; The USART interface of microcontroller MSP430 (34 pin P3.6/UTXD1 end, 35 pin P3.7/URXD1 end) is connected with the RS485 or the RS232 interface of ammeter (digital electric meter) through connection terminal J2; Obtain electric supply meter message command through 34 pin P3.6/UTXD1 end to the ammeter transmission by microcontroller MSP430, after ammeter receives orders ammeter information is sent to microcontroller MSP430 (microcontroller MSP430 receives ammeter information through 35 pin P3.7/URXD1 terminations); When electric supply meter has only the pulse interface; The 36 pin P4.0/TB0 end of microcontroller MSP430 is connected with the pulse interface of ammeter through connection terminal J3; Ammeter sends to microcontroller MSP430 through the pulse interface with pulse signal, and microcontroller MSP430 adds up to calculate the user power utilization amount through gathering the ammeter pulse.
As shown in Figure 7; A kind of ammeter wireless supervisory control system; It comprises ammeter wireless sensor network and community wireless Surveillance center 3; The ammeter wireless sensor network comprises an above ammeter wireless monitor interface arrangement 1, and each ammeter wireless monitor interface arrangement 1 is connected with an electric supply meter, and each ammeter wireless monitor interface arrangement 1 constitutes a node of ammeter wireless sensor network; Ammeter wireless monitor interface arrangement 1 can be communicated by letter with electric supply meter (read-write ammeter information) on the one hand, is responsible for setting up the ammeter wireless sensor network on the other hand.Ammeter wireless monitor interface arrangement 1 communicates through ammeter wireless sensor network and community wireless Surveillance center 3; Be that ammeter wireless monitor interface arrangement 1 transmits ammeter information through the ammeter wireless sensor network to the center of community wireless Surveillance center 3 wireless transmitter 32; Center wireless transmitter 32 sends ammeter information to computer system again and handles; Community wireless Surveillance center 3 transmits control signal and reads and writes ammeter information to ammeter wireless monitor interface arrangement 1 through the ammeter wireless sensor network; Realization is to the management and the control of ammeter, and described ammeter information mainly comprises ammeter user profile, power information, prepayment information, anti-electricity-theft infrared sensing information.
The structure of ammeter wireless monitor interface arrangement 1 is with embodiment 1 described ammeter wireless monitor interface arrangement, the operation of the whole ammeter wireless monitor of the microprocessor controls interface arrangement 1 of ammeter wireless monitor interface arrangement 1; The wireless transceiver of ammeter wireless monitor interface arrangement 1 is used to realize that wireless sensor network node communicates by letter with internodal, promptly realizes the foundation of the wireless receiving and dispatching and the wireless multi-hop MANET (wireless sensor network) of information; The ammeter information storer of ammeter wireless monitor interface arrangement 1 is used for storing subscriber information, power information, prepayment information, anti-electricity-theft infrared sensing information; The infrared sensor of ammeter wireless monitor interface arrangement 1 is used to realize anti-stealing electricity function; When the people carries out illegal operation to ammeter or ammeter wireless monitor interface arrangement 1; Infrared sensor is perception immediately, and reports to the police to community wireless Surveillance center 3 through the ammeter wireless sensor network; The power supply of ammeter wireless monitor interface arrangement 1 is battery direct current supply and two kinds of powering modes of Alternating Current Power Supply; The major function of power transfer module is to convert the 220V alternating current into the 3V direct current; Give whole ammeter wireless monitor interface arrangement 1 power supply; Under powering-off state, system launches battery direct current supply pattern automatically; The microcontroller of ammeter wireless monitor interface arrangement 1 links to each other with electric supply meter through serial ports (UART) or pulse interface; Microcontroller can be gathered the ammeter information with two kinds of interfaces; Can gather electric supply meter information through serial ports (UART) with UART interface; For the ammeter that has only the pulse interface, microcontroller obtains electric supply meter information through the pulse accumulative means.
The ammeter wireless sensor network also comprises more than one building wireless relay device 2; The aggregation node that each building wireless relay device 2 constitutes in ammeter wireless sensor networks, i.e. each building wireless relay device 2 aggregation node of participating in the establishment of ammeter wireless sensor networks and becoming the ammeter wireless sensor network; Building wireless relay device 2 is responsible for the ammeter wireless monitor interface arrangement 1 of its contiguous (being generally in the building) and the transfer of communicating by letter of community wireless Surveillance center 3; It is the ammeter information that building wireless relay device 2 is responsible for collecting its contiguous ammeter wireless monitor interface arrangement 1; Ammeter information is sent to community wireless Surveillance center 3, also be responsible for simultaneously transmitting the control command and the data of community wireless Surveillance center 3 to the ammeter wireless monitor interface arrangement 1 of appointment; Building wireless relay device 2 mainly is for enlarging the scale of ammeter wireless supervisory control system, monitoring to realize 3 pairs of remote electric supply meters of community wireless Surveillance center; In view of ammeter wireless sensor network topology structure; An above ammeter wireless monitor interface arrangement 1 of each building wireless relay device 2 contiguous (being generally in the building) has constituted the building ammeter wireless sensor network of a part, and local building ammeter wireless sensor network communicates with community wireless Surveillance center 3 through building wireless relay device 2.
Community wireless Surveillance center 3 comprises central information management control system 31 and center wireless transmitter 32; Central information management control system 31 mainly comprises computer system, information processing and Control Software and Database Systems; Center wireless transmitter 32 comprises microcontroller, wireless transceiver, information-storing device and power transfer module and battery (as shown in Figure 9).Microcontroller adopts 16 MSP430 microcontrollers of TI company super low-power consumption, and the operating system of MSP430 is TinyOS 1.x; Wireless transceiver adopts the CC2420 radio transmitting and receiving chip that is operated in 2.4GHz; Center wireless transmitter 32 is responsible for carrying out wireless signal contact (promptly dynamically carrying out the wireless signal contact with building wireless relay device 2 or ammeter wireless monitor interface arrangement 1) with the ammeter wireless sensor network; In order to make center wireless transmitter 32 can keep in more information, its information-storing device adopts the Flash AT45DB081D storage chip of 8MB; The microcontroller MSP430 of center wireless transmitter 32 is connected with the serial ports of the computer system of central information management control system 31, and realization center wireless transmitter 32 is communicated by letter with central information management control system 31; The basic configuration of the computer system of central information management control system 31 is: Intel 2.6GHZ CPU, 1GB internal memory, 100M network interface card, 80GB hard disk, operating system are WindowsXP; Database Systems adopt SQL Server 2000, are directly installed in the computer system; Information processing and Control Software have to ammeter information add up, analyze, function such as processing, realize purpose to the ammeter monitoring.
As shown in Figure 8, building wireless relay device 2 comprises microcontroller, wireless transceiver, information-storing device, infrared sensor and power transfer module and battery; Microcontroller adopts 16 MSP430 microcontrollers of TI company super low-power consumption, and the operating system of MSP430 is TinyOS 1.x; Wireless transceiver adopts the CC2420 radio transmitting and receiving chip that is operated in 2.46Hz; Information-storing device adopts the FlashAT45DB041D storage chip of 4MB; Infrared sensor comprises BISS0001 infrared sensing signal processing chip and RE200B pyroelectricity element, and infrared sensor can prevent that building wireless relay device 2 from being stolen by the people and change, and reaches the purpose of antitheft, tamper-proof and convenient for maintaining; Power transfer module adopts the LB05-10B03 module; Realize that outside 220V AC power converts inner 3V direct supply into; The LB05-10B03 power output end also and be connected to No. 5 1.5V batteries of two joints, when the outside had a power failure, No. 5 1.5V batteries of two joints were that building wireless relay device 2 is supplied power.Building wireless relay device 2 can be set as certain density according to the needs cloth of community's size; Can make information that the selectable transmission passage of multichannel is arranged on the one hand; Guarantee the reliability of signal; The signal that can realize medium and long distance on the other hand transmits, and the electric supply meter that makes community wireless Surveillance center 3 can adjust the distance far away is carried out monitoring.
Shown in figure 10; Can form local building ammeter wireless sensor network in the same building even between a plurality of ammeter wireless monitor interface arrangements 1 that are close between building; Lay a building wireless relay device 2 in each building ammeter wireless sensor network, as an aggregation node of this building ammeter wireless sensor network.
The method of application of ammeter wireless supervisory control system and principle of work:
1, the establishment of system: in a community; Every building have a plurality of electric supply meters; Connect an ammeter wireless monitor interface arrangement 1 on each electric supply meter that needs to monitor; The microcontroller MSP430 of ammeter wireless monitor interface arrangement 1 is connected with electric supply meter through USART interface or PLUSE pulse interface; Its power switch is serially connected in the front end of electric supply meter power lead inlet wire, and a plurality of ammeter wireless monitor interface arrangements 1 of every building are formed the building ammeter wireless sensor network of a part; Be laid with in each local building ammeter wireless sensor network overlay area at least one building wireless relay device 2 (promptly as the case may be one or several building with a building wireless relay device 2; Or lay more than one building wireless relay device 2 in especially big building; As long as satisfy reliability and saturation degree that wireless signal transmits); Whole ammeter wireless monitor interface arrangement 1 constitutes the ammeter wireless sensor network with building wireless relay device 2; Ammeter wireless monitor interface arrangement 1 becomes a node of ammeter wireless sensor network, and building wireless relay device 2 becomes an aggregation node of ammeter wireless sensor network; Whole community is equipped with a community wireless Surveillance center 3, and (described community can be an estate management district; As long as building wireless relay device 2 reaches certain density; Then described community can be a street, a village; Or even city or area); Community wireless Surveillance center 3 can carry out radio communication with the ammeter wireless sensor network, in real time whole electric supply meters is monitored and is managed;
2, real-time observation process: ammeter wireless monitor interface arrangement 1 at first sends to building wireless relay device 2 with the building ammeter wireless sensor network of ammeter information through the part with single-hop or multi-hop mode; Building wireless relay device 2 will receive that with single-hop or multi-hop mode information sends to center wireless transmitter 32; Center wireless transmitter 32 sends data to central information management control system 31 through serial ports, and central information management control system 31 can be analyzed, handle and utilize the information that receives; Ammeter wireless monitor interface arrangement 1 can send information to community wireless Surveillance center 3 termly, also can after the order of receiving community wireless Surveillance center 3, again information be sent to community wireless Surveillance center 3;
3, remote control process: the central information management control system 31 of community wireless Surveillance center 3 sends to center wireless transmitter 32 with order; Center wireless transmitter 32 will order (being mainly to user's energising or power off command) to send to the building wireless relay device 2 of appointment through wireless mode; Building wireless relay device 2 will be ordered the ammeter wireless monitor interface arrangement 1 that sends to appointment through single-hop or multi-hop mode again; After receiving orders, carries out by ammeter wireless monitor interface arrangement 1 corresponding operating (opening or close power switch), in order to the break-make of control user power supply;
4, the implementation of ammeter wireless supervisory control system pre paid functionality of the present invention is: the user turns over prepayment electric expense to community wireless Surveillance center 3; Community wireless Surveillance center 3 writes in the ammeter information storer of ammeter wireless monitor interface arrangement 1 through the electric weight of Long-distance Control (through the ammeter wireless sensor network) with equivalence; Ammeter wireless monitor interface arrangement 1 is opened its power switch, supplies power to the user; In the user power utilization process; Ammeter wireless monitor interface arrangement 1 deducts the user power utilization amount of gathering from the pre-payment electric weight; When the pre-payment electric weight is reduced to zero, explain that user's electric weight uses up, ammeter wireless monitor interface arrangement 1 can directly cut out user's power switch; Cut off the power supply to the user, and process result information is uploaded to community wireless Surveillance center 3 through the ammeter wireless sensor network; Ammeter wireless monitor interface arrangement 1 regularly or answer the order of community wireless Surveillance center 3 to be uploaded to the pre-payment dump energy that includes the user in the information of community wireless Surveillance center 3; When user's pre-payment dump energy is lower than certain threshold values; Subscriber payment can be reminded by community wireless Surveillance center 3, and preventing makes troubles to the user because have a power failure.
The above is merely preferred embodiment of the present invention; Not in order to restriction the present invention; All have an ammeter wireless monitor interface arrangement 1 identical with the present invention or that be equal to; Include the ammeter wireless supervisory control system of or the ammeter wireless monitor interface arrangement 1, building wireless relay device 2 and the community wireless Surveillance center 3 that are equal to identical, all be included within protection scope of the present invention with the present invention.
Claims (9)
1. ammeter wireless monitor interface arrangement, it is characterized in that: it comprises microcontroller, ammeter information storer, infrared sensor, wireless transceiver, power supply and power switch; Ammeter information storer, infrared sensor, wireless transceiver and power switch all are connected with microcontroller, and power supply is that ammeter information storer, infrared sensor, wireless transceiver, power switch and microcontroller provide working power; Microcontroller is provided with the interface that can be connected with ammeter, is used for communicating by letter with ammeter, and microcontroller is the control assembly of ammeter wireless monitor interface arrangement, controls the operation of whole ammeter wireless monitor interface arrangement; Wireless transceiver carries out two-way communication with microcontroller on the one hand, can set up wireless autonomous multihop network on the other hand, and will realize wireless receiving and dispatching with the information of micro-controller communications; Power switch is serially connected in the electric power incoming line front end of electric supply meter, and microcontroller can be controlled the break-make of power switch, and the break-make with control electric supply meter power supply realizes the control to user's power supply; Infrared sensor is used for the operation conditions of monitor user ' ammeter and ammeter wireless monitor interface arrangement; And with the monitoring information return to microcontroller; When ammeter wireless monitor interface arrangement being taked stealing or other destroy measure; Infrared sensor in time sends the heat transfer agent of gathering to microcontroller and goes to handle, and the data after microcontroller will be handled outwards transmit through wireless transceiver again.
2. ammeter wireless monitor interface arrangement according to claim 1; It is characterized in that: described infrared sensor comprises infrared sensing signal processing chip and pyroelectricity element; The infrared sensing signal processing chip is the BISS0001 chip, and the pyroelectricity element is the RE200B element, and RE200B pyroelectricity element can be an electric signal with extraneous physics conversion of signals; Be used to gather heat transfer agent; 2 pin of RE200B are connected with 14 pin of BISS0001, and RE200B sends to BISS0001 with the heat transfer agent of gathering and handles, and 12 pin of BISS0001,2 pin are connected with 3 pin, 23 pin of microcontroller MSP430 respectively; BISS0001 sends microcontroller MSP430 to after handling the heat transfer agent of RE200B collection again.
3. ammeter wireless monitor interface arrangement according to claim 1 and 2 is characterized in that: described microcontroller is the MSP430 chip; The ammeter information storer is a serial Flash AT45DB021D storage chip, and FlashAT45DB021D is connected with microcontroller MSP430 through the SPI serial line interface; Wireless transceiver comprises communication chip and wireless signal transceiver; Communication chip is the CC2420 chip; Be responsible for setting up wireless multi-hop network; 27 pin of communication chip CC2420,28 pin, 29 pin, 30 pin, 31 pin, 32 pin, 33 pin and 34 pin are connected with 14 pin, 13 pin, 18 pin, 17 pin, 44 pin, 47 pin, 45 pin, 46 pin of microcontroller MSP430 respectively, realize carrying out message exchange with microcontroller MSP430; Wireless signal transceiver comprises dual-mode antenna and impedance matching circuit, and dual-mode antenna is connected with the CC2420 radio-frequency head through impedance matching circuit, and CC2420 carries out the information wireless signal transmitting and receiving through dual-mode antenna; Described power switch is a pilot relay, and the trigger end pin of pilot relay is connected with 37 pin of microcontroller MSP430, and its normally closed pin is serially connected in the electric power incoming line front end of electric supply meter, and microcontroller MSP430 is through the break-make of 37 foot control system power switchs; Described power supply comprises power transfer module and battery, and power transfer module converts the 220V alternating current direct current of 3V into, working power is provided for ammeter wireless monitor interface arrangement, and battery is a standby power supply.
4. ammeter wireless supervisory control system, it is characterized in that: it comprises ammeter wireless sensor network and community wireless Surveillance center (3); Community wireless Surveillance center (3) comprises central information management control system (31) and center wireless transmitter (32); Central information management control system (31) comprises computer system, information processing and Control Software and Database Systems, and information processing and Control Software and Database Systems are installed in the computer system; Center wireless transmitter (32) comprises microcontroller, wireless transceiver, information-storing device and power supply, and the microcontroller of center wireless transmitter (32) is connected with computer system, realizes communicating with computer system; The ammeter wireless sensor network comprises an above ammeter wireless monitor interface arrangement (1); Ammeter wireless monitor interface arrangement (1) is claim 1 or 2 described ammeter wireless monitor interface arrangements; Each ammeter wireless monitor interface arrangement (1) is connected with an electric supply meter; Each ammeter wireless monitor interface arrangement (1) constitutes a node of ammeter wireless sensor network; Ammeter wireless monitor interface arrangement (1) can be communicated by letter with electric supply meter on the one hand; Be responsible for setting up the ammeter wireless sensor network on the other hand, ammeter wireless monitor interface arrangement (1) transmits ammeter information through the ammeter wireless sensor network to the center wireless transmitter (32) of community wireless Surveillance center (3), and center wireless transmitter (32) sends ammeter information to computer system again and handles; Community wireless Surveillance center (3) also transmits control signal and reads and writes ammeter information to ammeter wireless monitor interface arrangement 1 through the ammeter wireless sensor network, realizes management and control to ammeter; The user turns over prepayment electric expense to community wireless Surveillance center (3); Community wireless Surveillance center (3) writes in the ammeter information storer of ammeter wireless monitor interface arrangement (1) through the electric weight of ammeter wireless sensor network with equivalence; Ammeter wireless monitor interface arrangement (1) is opened its power switch, supplies power to the user; In the user power utilization process; Ammeter wireless monitor interface arrangement (1) deducts the user power utilization amount of gathering from the pre-payment electric weight; When the pre-payment electric weight is reduced to zero; Ammeter wireless monitor interface arrangement (1) can directly cut out user's power switch, cuts off the power supply to the user, and process result information is uploaded to community wireless Surveillance center (3) through the ammeter wireless sensor network; Ammeter wireless monitor interface arrangement (1) regularly or answer the order of community wireless Surveillance center (3) to be uploaded to the pre-payment dump energy that includes the user in the information of community wireless Surveillance center (3); When user's pre-payment dump energy was lower than certain threshold values, subscriber payment can be reminded by community wireless Surveillance center (3); The infrared sensor of ammeter wireless monitor interface arrangement (1) is realized anti-electricity-theft; When ammeter or ammeter wireless monitor interface arrangement (1) are carried out illegal operation; Infrared sensor is perception immediately, and reports to the police to community wireless Surveillance center (3) through the ammeter wireless sensor network.
5. ammeter wireless supervisory control system, it is characterized in that: it comprises ammeter wireless sensor network and community wireless Surveillance center (3); Community wireless Surveillance center (3) comprises central information management control system (31) and center wireless transmitter (32); Central information management control system (31) comprises computer system, information processing and Control Software and Database Systems, and information processing and Control Software and Database Systems are installed in the computer system; Center wireless transmitter (32) comprises microcontroller, wireless transceiver, information-storing device and power supply, and the microcontroller of center wireless transmitter (32) is connected with computer system, realizes communicating with computer system; The ammeter wireless sensor network comprises an above ammeter wireless monitor interface arrangement (1); Ammeter wireless monitor interface arrangement (1) is the described ammeter wireless monitor of claim 3 interface arrangement; Each ammeter wireless monitor interface arrangement (1) is connected with an electric supply meter; Each ammeter wireless monitor interface arrangement (1) constitutes a node of ammeter wireless sensor network; Ammeter wireless monitor interface arrangement (1) can be communicated by letter with electric supply meter on the one hand; Be responsible for setting up the ammeter wireless sensor network on the other hand, ammeter wireless monitor interface arrangement (1) transmits ammeter information through the ammeter wireless sensor network to the center wireless transmitter (32) of community wireless Surveillance center (3), and center wireless transmitter (32) sends ammeter information to computer system again and handles; Community wireless Surveillance center (3) also transmits control signal and reads and writes ammeter information to ammeter wireless monitor interface arrangement (1) through the ammeter wireless sensor network, realizes management and control to ammeter; The user turns over prepayment electric expense to community wireless Surveillance center (3); Community wireless Surveillance center (3) writes in the ammeter information storer of ammeter wireless monitor interface arrangement (1) through the electric weight of ammeter wireless sensor network with equivalence; Ammeter wireless monitor interface arrangement (1) is opened its power switch, supplies power to the user; In the user power utilization process; Ammeter wireless monitor interface arrangement (1) deducts the user power utilization amount of gathering from the pre-payment electric weight; When the pre-payment electric weight is reduced to zero; Ammeter wireless monitor interface arrangement (1) can directly cut out user's power switch, cuts off the power supply to the user, and process result information is uploaded to community wireless Surveillance center (3) through the ammeter wireless sensor network; Ammeter wireless monitor interface arrangement (1) regularly or answer the order of community wireless Surveillance center (3) to be uploaded to the pre-payment dump energy that includes the user in the information of community wireless Surveillance center (3); When user's pre-payment dump energy was lower than certain threshold values, subscriber payment can be reminded by community wireless Surveillance center (3); The infrared sensor of ammeter wireless monitor interface arrangement (1) is realized anti-electricity-theft; When ammeter or ammeter wireless monitor interface arrangement (1) are carried out illegal operation; Infrared sensor is perception immediately, and reports to the police to community wireless Surveillance center (3) through the ammeter wireless sensor network.
6. ammeter wireless supervisory control system according to claim 4; It is characterized in that: described ammeter wireless sensor network also comprises an above building wireless relay device (2); Building wireless relay device (2) comprises microcontroller, wireless transceiver, information-storing device, infrared sensor and power supply; Each building wireless relay device (2) constitutes an aggregation node of ammeter wireless sensor network, and promptly each building wireless relay device (2) is participated in the establishment of ammeter wireless sensor network and become an aggregation node of ammeter wireless sensor network; Building wireless relay device (2) is responsible for the transfer of communicating by letter of an above ammeter wireless monitor interface arrangement (1) and community wireless Surveillance center (3); It is the ammeter information that building wireless relay device (2) is responsible for collecting its contiguous ammeter wireless monitor interface arrangement (1); Ammeter information is sent to community wireless Surveillance center (3); Also be responsible for transmitting the control command and the data of community wireless Surveillance center (3) simultaneously to the ammeter wireless monitor interface arrangement (1) of appointment; The contiguous above ammeter wireless monitor interface arrangement (1) of each building wireless relay device (2) has constituted the building ammeter wireless sensor network of a part, and local building ammeter wireless sensor network communicates with community wireless Surveillance center (3) through building wireless relay device (2).
7. ammeter wireless supervisory control system according to claim 5; It is characterized in that: described ammeter wireless sensor network also comprises an above building wireless relay device (2); Building wireless relay device (2) comprises microcontroller, wireless transceiver, information-storing device, infrared sensor and power supply; Each building wireless relay device (2) constitutes an aggregation node of ammeter wireless sensor network, and promptly each building wireless relay device (2) is participated in the establishment of ammeter wireless sensor network and become an aggregation node of ammeter wireless sensor network; Building wireless relay device (2) is responsible for the transfer of communicating by letter of an above ammeter wireless monitor interface arrangement (1) and community wireless Surveillance center (3); It is the ammeter information that building wireless relay device (2) is responsible for collecting its contiguous ammeter wireless monitor interface arrangement (1); Ammeter information is sent to community wireless Surveillance center (3); Also be responsible for transmitting the control command and the data of community wireless Surveillance center (3) simultaneously to the ammeter wireless monitor interface arrangement (1) of appointment; The contiguous above ammeter wireless monitor interface arrangement (1) of each building wireless relay device (2) has constituted the building ammeter wireless sensor network of a part, and local building ammeter wireless sensor network communicates with community wireless Surveillance center (3) through building wireless relay device (2).
8. ammeter wireless supervisory control system according to claim 6 is characterized in that: the microcontroller of the center wireless transmitter (32) of described community wireless Surveillance center (3) is the MSP430 chip; The wireless transceiver of center wireless transmitter (32) is the CC2420 radio transmitting and receiving chip; The information-storing device of center wireless transmitter (32) is a Flash AT45DB081D storage chip; MSP430 is connected with the serial ports of the computer system of central information management control system (31), and realization center wireless transmitter 32 is communicated by letter with central information management control system (31); The microcontroller of described building wireless relay device (2) is the MSP430 chip; The wireless transceiver of building wireless relay device (2) is the CC2420 radio transmitting and receiving chip; The information-storing device of building wireless relay device (2) is the FlashAT45DB041D storage chip, and the infrared sensor of building wireless relay device (2) comprises BISS0001 infrared sensing signal processing chip and RE200B pyroelectricity element.
9. ammeter wireless supervisory control system according to claim 7 is characterized in that: the microcontroller of the center wireless transmitter (32) of described community wireless Surveillance center (3) is the MSP430 chip; The wireless transceiver of center wireless transmitter (32) is the CC2420 radio transmitting and receiving chip; The information-storing device of center wireless transmitter (32) is the FlashAT45DB081D storage chip; MSP430 is connected with the serial ports of the computer system of central information management control system (31), and realization center wireless transmitter 32 is communicated by letter with central information management control system (31); The microcontroller of described building wireless relay device (2) is the MSP430 chip; The wireless transceiver of building wireless relay device (2) is the CC2420 radio transmitting and receiving chip; The information-storing device of building wireless relay device (2) is the FlashAT45DB041D storage chip, and the infrared sensor of building wireless relay device (2) comprises BISS0001 infrared sensing signal processing chip and RE200B pyroelectricity element.
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| CN 201010112197 CN101814226B (en) | 2010-02-23 | 2010-02-23 | Ammeter wireless monitoring interface devices and wireless monitoring system |
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| CN111060865B (en) * | 2019-12-05 | 2022-11-29 | 国网北京市电力公司 | Inspection system based on electric energy metering device |
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| CN110988459A (en) * | 2019-12-20 | 2020-04-10 | 珠海市丰兰实业有限公司 | Intelligent electric meter |
| CN111856384A (en) * | 2020-07-06 | 2020-10-30 | 高新兴物联科技有限公司 | Power supply control equipment and method |
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