CN102122410A - Method and device for remotely recharging prepaid smart electricity meter indoors - Google Patents
Method and device for remotely recharging prepaid smart electricity meter indoors Download PDFInfo
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- CN102122410A CN102122410A CN2010105678766A CN201010567876A CN102122410A CN 102122410 A CN102122410 A CN 102122410A CN 2010105678766 A CN2010105678766 A CN 2010105678766A CN 201010567876 A CN201010567876 A CN 201010567876A CN 102122410 A CN102122410 A CN 102122410A
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Abstract
The invention relates to a method and device for a user to remotely recharge a smart electricity meter with the prepaid function indoors by using power-line carrier communication. Two-way communication is realized by using the power-line carrier communication technology and the smart electricity meter. A user inputs a recharging command through buttons on the device, a singlechip machine in the device processes and analyzes the recharging command, sends the recharging command to the smart electricity meter by using the low-voltage power-line carrier communication technology and simultaneously receives and displays the feedback information of the smart electricity meter. The invention provides a device for realizing indoor power utilization prepaying for a user. The installation of the device is convenient by using the power-line carrier communication manner, and meanwhile, the AC and DC dual power supply mode ensures the normal display and recharging of the system in the situation that the power line is in a power failure.
Description
Technical field
The present invention relates to a kind of method and apparatus that the prepayment intelligent ammeter is paid, relate in particular to a kind of two-way communication that utilizes power-line carrier communication realization and intelligent electric meter, and the method and apparatus of indoors the prepayment intelligent ammeter being supplemented with money.
Background technology
Along with the development of intelligent grid technology and progressively application, the use amount of intelligent power management system and intelligent electric meter constantly increases, on the one hand by the intelligent power management system, electric power enterprise can long-rangely obtain user's real-time power information, the user also will be implemented in indoor monitoring and managing family electricity consumption as the participant of the management of power use on the other hand.Wherein, an importance of family's electric energy management is the intelligent electric meter that has adopted the band pre paid functionality, and this ammeter can also realize that the user buys earlier except the function of measuring with common electric energy meter, electricity consumption again, the electric energy of purchasing use up the back intelligent electric meter and automatically electrical appliance are cut off the power supply.The main method of at present intelligent electric meter being supplemented with money is: management system is with user profile and purchase electrical information in conjunction with generation one group encryption code, and user oneself is input in the ammeter, and electric weight or the amount of money and preservation obtain prestoring after the correct deciphering of ammeter process.Yet intelligent electric meter often is installed in outdoor comparatively hidden position, causes the user to carry out the inconvenience of pre-payment, and the user also is difficult in time obtain information such as power information, electric energy surplus and pre-payment prompting.This just needs a kind of device that can realize pre-payment indoors of design, and this device need possess the bi-directional communication function with intelligent electric meter, receives the status information of ammeter on the one hand, sends charging information to ammeter on the other hand.
Summary of the invention
For solving the problem in the background technology, the invention provides a kind of power-line carrier communication that utilizes and realize that the user carries out the method and apparatus that pre-paying kilowatt-hour meter is supplemented with money indoors, the user indoors can conveniently be supplemented with money the prepayment intelligent ammeter, and show real-time power information, paying information and electricity consumption information on services, and, after the line of electric force outage indoors, payment device also can be supplemented with money to pre-paying kilowatt-hour meter.
The scheme that the present invention solves the problems of the technologies described above is: in the system that is made up of prepayment intelligent ammeter, low-voltage power line and payment device, provide a kind of payment device that becomes corresponding relation with the prepayment intelligent ammeter; Payment device comprises button, display screen, single-chip microcomputer, power module, storer, seven parts of shell and power line communication modulation/demodulation modules, wherein, single-chip microcomputer connects storer, display screen, button, power line communication modulation/demodulation modules and the low-voltage power line single-chip microcomputer that connects in parallel that directly links, power module respectively with single-chip microcomputer, storer, display screen and power line communication modulation/demodulation modules link so that required voltage to be provided, button is supplemented the command input end mouth with money as the user, display screen is used for display command and power information, single-chip microcomputer is used to handle and resolve supplementing order with money and organizing output data of button input, by the power line carrier communication modulation/demodulation modules data are sent to the prepayment intelligent ammeter at last, power management module is used for providing qualified voltage to system, shell is used for each several part is assembled into an integral body, and each several part is formed protection; Button in the payment device is supplemented with money as the user and the input port of querying command, single-chip microcomputer is used to handle and resolve supplementing order with money and organizing output data of button input, the demonstration of control display screen simultaneously, storer is used to store historical load value data, by the power line carrier communication modulation/demodulation modules data are sent to intelligent electric meter at last, power management module is used for providing qualified voltage to system.
Useful result of the present invention is, under the situation that does not change pre existing paying intelligent electric meter mounting means, a kind of method and apparatus of indoors the prepayment intelligent ammeter being supplemented with money is provided, it utilizes the low voltage electric power carrier communication technology to realize the two-way communication of payment device and prepayment intelligent ammeter, make any power line interface can insert payment device indoors and carry out operation for paying the fee, thereby do not need to have realized user's supplementing with money under the condition of newly-increased communication line intelligent electric meter.
Description of drawings
Fig. 1 application synoptic diagram of the present invention,
The theory diagram of Fig. 2 payment device of the present invention,
Single-chip data processing flow chart in Fig. 3 payment device of the present invention,
Fig. 4 power management module theory diagram.
Embodiment
As shown in Figure 1, in the system that forms by prepayment intelligent ammeter 1, payment device 2 and low-voltage power line 3, prepayment intelligent ammeter 1 is installed in the open air, ammeter passes through to judge the power supply of the remaining sum control of user prepayment to the user, the user needs earlier to the electricity consumption of ammeter payment ability, payment device 2 is used to realize operation for paying the fee, and low-voltage power line 3 is the passage of electric power and charging information transmission.The present invention mainly solves the user indoors to the problem of supplementing with money of prepayment intelligent ammeter.The user indoors power line interface of optional position inserts payment device 2 among the present invention, and the button input paying of passing through payment device 2 is ordered, single-chip microcomputer in the device is handled and is resolved supplementing order with money, by power line carrier communication payment data is sent to prepayment intelligent ammeter 1 then, the realization electricity charge are supplemented with money, when indoor low-voltage power line 3 use up because of purchasing electric energy cut off the power supply after, payment device 2 can be supplemented with money prepayment intelligent ammeter 1 by direct supply.
In the present embodiment, voltage power-line carrier communication technology is a prior art, in Chinese patent 2004100403801 of authorizing on Dec 30th, 2009 and the Chinese patent 03267309 of authorizing on 09 01st, 2004 detailed description is arranged, at this, the principle of work that the present invention uses voltage power-line carrier communication technology is not described specifically.
As shown in Figure 2; payment device among the present invention mainly comprises button, display screen, single-chip microcomputer, power module, storer, shell and seven parts of power line communication modulation/demodulation modules; wherein; single-chip microcomputer connects storer, display screen, button; power line communication modulation/demodulation modules and the line of electric force single-chip microcomputer that connects in parallel that directly links; power module links so that required voltage to be provided with single-chip microcomputer, storer, display screen and power line communication modulation/demodulation modules respectively; shell is used for other six parts are assembled into an integral body, and each several part is formed protection.Wherein, single-chip microcomputer is used to handle and resolve supplementing order with money and organizing output data of button input, by the power line carrier communication modulation/demodulation modules data is sent to the prepayment intelligent ammeter at last; Power management module is used for providing qualified voltage to system; Shell is used for each several part is assembled into an integral body, and each several part is formed protection; Button is supplemented with money as the user and the input port of querying command; Display screen is used to show the various information about power of charging information and ammeter; Storer is used to store historical load value data; The power line carrier communication modulation/demodulation modules is used to realize the two-way communication with the prepayment intelligent ammeter.
Adopt the AVR single-chip microcomputer among the present invention.In the design of actual payment device, the chip or the Circuits System that possess similar functions all can be used, and its operation and method of operating be, in hardware, this technology belongs to existing known technology with the software solidification write.Single-chip microcomputer and other elements connect and manufacturing is known technology, be not described specifically at this.
As shown in Figure 3, the workflow of single-chip microcomputer comprises:
Step 301: program begins;
Step 302: whether the beginning button of judge paying is pressed, when the user begins to pay, at first press the button of paying of beginning on the payment device and enter operation for paying the fee with expression, when chip detection during to this button program enter the paying flow process, otherwise maintenance original state;
Step 303: after the beginning button of paying was pressed, the user supplemented password with money by the keyboard input, whenever by next button, keyboard scan once, system writes down the input data, calculates the input figure place;
Step 304: when the figure place that calculates met the demands, system sent to the prepayment intelligent ammeter with information by power line carrier communication, waited for the receipt of ammeter then; If button in 1 minute without any response, and the input figure place do not meet the demands, then program is got back to original state, the user need re-enter password;
Step 305: payment device sends load value data by power line carrier communication to ammeter;
Step 306: the power line communication modulation/demodulation modules among the present invention has bi-directional communication function, and after ammeter sent load value data, through the parsing of ammeter to data, ammeter sent the information of paying success or not by power line communication to payment device,
Step 307: receive ammeter when system and send successful information that then this paying information is deposited in the storer of payment device, and show, otherwise program enters step 302, the user need carry out operation for paying the fee again on display;
Step 308: flow process finishes.
As shown in Figure 4, the power management module in the payment device of the present invention adopts AC and DC to supply power with double circuit, and guaranteeing can operate as normal under power down mode.Battery management module mainly is made up of AC power, direct supply, boost voltage stabilizing chip and power supply handover module.AC power adopts the design of 66kHz Switching Power Supply, avoids the multiple harmonic frequency of carrier modulation frequency, avoids the carrier communication effect is impacted as far as possible, be output as 12V, 500mA, direct supply adopt 4 joint AAA batteries by the voltage stabilizing chip output 12V that boosts, 500mA.The main effect that power supply switches is to turn-off in Switching Power Supply output battery output just often, and is battery-powered when the Switching Power Supply power down.Its implementation is that switch power source output voltage is connected to transistor base, the switch of transistor emitter control electric battery boost module, when Switching Power Supply does not have voltage output, the outage of expression alternating current, this moment, transistor base did not have the voltage input, then emitter signal is controlled the electric battery operate as normal, otherwise, turn-off electric battery work.
The present invention has adopted power line communication technology, greatly facilitates the user and pre-paying kilowatt-hour meter is supplemented with money operation indoors, and the payment device cost in the invention is lower, is fit to large-scale application, and market application foreground is big.
Claims (3)
1. one kind is utilized the power-line carrier communication realization indoor to prepayment intelligent ammeter payment method, it is characterized in that: by the prepayment intelligent ammeter, in the system that low-voltage power line and payment device are formed, the prepayment intelligent ammeter is installed in the open air, the user indoors power line interface of optional position inserts payment device, and the button input paying of passing through payment device is ordered, single-chip microcomputer in the device is handled and is resolved supplementing order with money, by power line carrier communication payment data is sent to the prepayment intelligent ammeter then, the realization electricity charge are supplemented with money, when premises power lines use up because of purchasing electric energy cut off the power supply after, payment device can be supplemented with money the prepayment intelligent ammeter by direct supply.
2. one kind is utilized power-line carrier communication to realize indoor device to the prepayment intelligent ammeter payment; it is characterized in that: device comprises button; display screen; single-chip microcomputer; power module; storer; seven parts of shell and power line communication modulation/demodulation modules; wherein; single-chip microcomputer connects storer; display screen; button; power line communication modulation/demodulation modules and the low-voltage power line single-chip microcomputer that connects in parallel that directly links; power module respectively with single-chip microcomputer; storer; display screen and power line communication modulation/demodulation modules link so that required voltage to be provided; shell is used for other six parts are assembled into an integral body, and each several part is formed protection.
3. realize indoor device according to the right 2 described power-line carrier communications that utilize to the prepayment intelligent ammeter payment, it is characterized in that: described power module adopts AC and DC to supply power with double circuit, guaranteeing under the line of electric force off-position can operate as normal, AC power adopts the design of 66kHz Switching Power Supply, avoid interference, output 12V, 500mA to power line carrier communication, direct supply adopts 4 joint AAA batteries by the voltage stabilizing chip output 12V that boosts, 500mA.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105678766A CN102122410A (en) | 2010-12-01 | 2010-12-01 | Method and device for remotely recharging prepaid smart electricity meter indoors |
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| CN2010105678766A CN102122410A (en) | 2010-12-01 | 2010-12-01 | Method and device for remotely recharging prepaid smart electricity meter indoors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930652A (en) * | 2012-10-25 | 2013-02-13 | 长兴县供电局 | User information inquiry terminal and user power utilization information acquisition system |
| CN106816873A (en) * | 2015-12-01 | 2017-06-09 | 玖星控股有限公司 | A kind of indoor AC-DC two-way electric power system |
| CN107146330A (en) * | 2017-04-19 | 2017-09-08 | 深圳市金正方科技股份有限公司 | The self-help charging method and device of measuring terminal |
| CN111583526A (en) * | 2020-04-23 | 2020-08-25 | 浙江施王物联科技有限公司 | Intelligent electricity control house management method and electronic equipment |
| CN112636896A (en) * | 2019-12-27 | 2021-04-09 | 西南石油大学 | Non-interactive verifiable multi-type encrypted data aggregation method facing smart power grid |
-
2010
- 2010-12-01 CN CN2010105678766A patent/CN102122410A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930652A (en) * | 2012-10-25 | 2013-02-13 | 长兴县供电局 | User information inquiry terminal and user power utilization information acquisition system |
| CN106816873A (en) * | 2015-12-01 | 2017-06-09 | 玖星控股有限公司 | A kind of indoor AC-DC two-way electric power system |
| CN107146330A (en) * | 2017-04-19 | 2017-09-08 | 深圳市金正方科技股份有限公司 | The self-help charging method and device of measuring terminal |
| CN112636896A (en) * | 2019-12-27 | 2021-04-09 | 西南石油大学 | Non-interactive verifiable multi-type encrypted data aggregation method facing smart power grid |
| CN111583526A (en) * | 2020-04-23 | 2020-08-25 | 浙江施王物联科技有限公司 | Intelligent electricity control house management method and electronic equipment |
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Application publication date: 20110713 |