CN1299116A - Addressable writing-in charge system for electric consumption - Google Patents
Addressable writing-in charge system for electric consumption Download PDFInfo
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- CN1299116A CN1299116A CN 99120609 CN99120609A CN1299116A CN 1299116 A CN1299116 A CN 1299116A CN 99120609 CN99120609 CN 99120609 CN 99120609 A CN99120609 A CN 99120609A CN 1299116 A CN1299116 A CN 1299116A
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Abstract
A remote controlled electricity accounting system is composed of an emission terminal and a receipt terminal of the radio control signal. The transmitter emits the multi-stage coded information of use able electricity quantity and the customer's prepurchasing fund for electricity at the emission terminal, and at the receiving terminal, after recciving, demodulating and comfirming by the signal receiving module, the information to be processed is read out by the microprocessor and the on-off module is driven to connect the customer's power source, to start the electricity accounting module the account the power consumption quantity and to drive display module to display. In case of power failure, the customer's exsisting information of the electricity quuntity is stored in the non-volatile memory module.
Description
The invention belongs to Long-distance Control kilowatt meter charge system.
At present, China's power department adopts basically by user's electrodynamic type watt-hour meter the management of user power utilization amount and measures, and manually checks meter to the doorstep, with the mode of back clearing payment, its defective is: workload is big, and it is many to employ the labour, efficiency is low, and management difficulty is big, and technological means falls behind.Existing clasp type electricity meter, adopt the magnetic card of the pre-post-pay paystation buying quota of user power consumption, this magnetic card is inserted in watt-hour meter the mode that the power consumption to the user deducts to be managed, than above-mentioned management method improvement is arranged greatly, technological means is also advanced, but has brought a little inconvenience to the user: in case promptly magnetic card limit power consumption uses up, watt-hour meter is that automatic barrier gate is stopped power supply, do not have newly purchase magnetic card then can't electricity consumption, influence that the user lives normally, order of work.
The object of the present invention is to provide a kind of addressable writing-in charge system for electric consumption, it can utilize wireless transmission channel, and the information such as power consumption that user's payment in advance is purchased write receiving terminal; This receiving terminal can be finished writing of power consumption that this user's payment in advance is purchased, the calculating of power consumption, deduction, demonstration and charge at times and control the break-make of this user power utilization power supply according to the operating position of electric weight.
Technical solution of the present invention is: a kind of addressable writing-in charge system for electric consumption, comprise wireless control signal transmitting terminal and wireless control signal receiving terminal, and it is characterized in that:
The wireless control signal transmitting terminal is made of main control computer, control signal generator means and emitter, is used to produce control signal and launches this control signal by wireless launcher; The addressable watt-hour meter of wireless control signal receiving terminal for constituting by signal receiving module, electric weight computing module, microprocessor module, non-volatile memory module, display module and switch module, be used for the radio frequency signal that the receiving demodulation transmitting terminal sends, the data-signal of demodulation reduction is write and stores, user's power consumption is calculated, deducts, shows and control switching on or off of user's power supply.
Below in conjunction with drawings and Examples the present invention is elaborated.
Fig. 1 is a system schematic of the present invention;
Fig. 2 is the receiver module electrical schematic diagram;
Fig. 3 is the microprocessor module electrical schematic diagram;
Fig. 4 is a non-volatile memory module electrical schematic diagram;
Fig. 5 is an electric weight computing module electrical schematic diagram;
Fig. 6 is the switch module electrical schematic diagram;
Fig. 7 is the display module electrical schematic diagram.
Referring to Fig. 1.The wireless control signal transmitting terminal is made of main control computer 1, control signal generator means 2 and emitter 3, is used to produce control signal and launches this control signal by wireless launcher.Situations such as 1 couple of user's of main control computer address, payment of fees are registered, sort, are encoded.The digital coding that control signal generator means 2 is exported main control computer converts data-signal to and is passed to emitter 3, the signal that control signal generator means 2 is based on Computer I SA bus produces card or exports the device of control information by the RS232 serial port of computing machine, emitter 3 will be loaded with the emission of radio frequency signals of data-signal and go out, emitter 3 can be the transmitter of any FSK of having modulation system, also can be the transmitter of paging centers.
The addressable watt-hour meter of wireless control signal receiving terminal for constituting by signal receiving module 4, electric weight computing module 5, microprocessor module 6, non-volatile memory module 7, display module 8 and switch module 9.This receiving terminal, be that the addressable watt-hour meter is used to receive and the radio frequency signal of demodulation transmitting terminal emission, the data-signal of demodulation reduction is write and stores; Power consumption to the user calculates, deducts, shows and control switching on or off of user's power supply.
Signal receiving module 4 (see figure 2)s are made up of frequency changer circuit and comparer, are used for the radio frequency signal that receives is carried out demodulation reduction and address comparison.Frequency changer circuit is formed double conversion by MC3363 receiving integrate circuit U1, crystal X1, X2 wave filter F1, F2 and some resistance, electric capacity, inductance and receiving antenna, with radio frequency signal reception, demodulation, be reduced to data-signal and be transported to the comparer of forming by EPLD programmable logic device (PLD) U2 and carry out the address relatively, distinguish; If mail returned on ground of incorrect address, this comparer no-output; If the address conforms to, to microprocessor module 6, this signal receiving module 4 also can be converted by pager this comparer with the relevant data signal conveys.
Electric weight computing module 5 (see figure 5)s are made up of rectification circuit, voltage, current sampling circuit and a monolithic electric weight calculating special chip U10 who has the energy computing engines, are mainly used in the calculating to user's power consumption.Rectified current routing capacitor C1, C2, C3, resistance R 3, R4 and diode D1, D2, D3 form, and it is exported as this receiving terminal, i.e. the working power of each module of addressable watt-hour meter.Sample circuit is formed alternating voltage coupled circuit and alternating current coupled circuit by resistance R 1, R2 and Rs, and user's electricity consumption situation is taken a sample, and calculates the power consumption that special chip U10 calculates this user for the monolithic electric weight.The monolithic electric weight special chip U10 (CS5460) that has the energy computing engines is the most accurate measurement mechanism that is applicable to the residential electric power metering at present in the world, its inside comprises: a programmable gain amplifier (PGA), two 16 bit resolutions, the Δ ∑ analog to digital converter (ADC) that the 2KHZ signal bandwidth is taken a sample simultaneously, two high-speed digital filters (Digital Filter), two Hi-pass filters (HPF), a 2.5V internal reference voltage, the supply monitor (PM) that can detect power shortage or power fail, the timer of a persistent surveillance serial communication (WDT), and have energy, the power calculation function.Particularly each parameter all has the calibration function of 24 bit digital, makes it have very high calibration accuracy.Its operation logic is: behind system's power-up initializing, the signal of current channel and voltage channel is exaggerated device and amplifies, by Δ ∑ analog to digital conversion is digital signal, again by the direct current composition in the Hi-pass filter erasure signal, be sent in the energy computing engines and calculate energy value, notify microprocessor to calculate then to finish and energy value is taken away.
Microprocessor module 6 (see figure 3)s are made up of single-chip microcomputer U3 (AT89C51) and the latch U4 (74LS373) of the EEPROM of inside band 4K, receiver module and the defeated next control information of electric weight computing module are handled, and non-volatile memory module, display module and switch module are controlled by pre-set programs.
Non-volatile memory module 7 (see figure 4)s are that the EEPROMU5 (2817A) of 2Kbyte forms by capacity mainly, user's current electric quantity information that microprocessor module 6 is sent here is stored microprocessor power down when preventing power interruption and lose the current information about power of user.
Display module 8 (see figure 7)s select circuit to form by display circuit, driving circuit, position, according to the control signal that microprocessor module 6 is sent, and explicit user available power or fund.Display circuit is formed also available LCD display board by the charactron LD1-LD6 of mixed decimal point position.Driving circuit is made up of U6, U7 (7407).The position selects circuit to be made up of U8 (74LS138).
Switch module 9 (see figure 6)s are made up of relay J 1, J2, relay drive circuit, relay protection circuit.According to the control signal that microprocessor module 6 is sent, control switching on or off of user's power supply.Relay drive circuit is made up of switch triode BG1, BG2 and biasing resistor R1, R2.Relay J 1, J2 holding circuit are made up of triode D1, D2.
This receiving terminal is that the course of work of addressable watt-hour meter is: signal receiving module 4 is transported to comparer with the data-signal of receiving demodulation reduction, the amount of money that this user is paid or available power are transported to micro treatment module 6 and are read and counted by single-chip microcomputer behind compare address, 7 storages of non-volatile memory module, display module 8 show that switch module is connected this user's power supply.When this user power utilization, sample circuit by electric weight computing module 5 extracts voltage, current value after amplifier amplifies, calculate special chip U10 by the monolithic electric weight that has the energy computing engines and carry out energy work rate calculating, notify microprocessor module 6 that energy value is taken away then, microprocessor module 6 deducts itself and user's available power, and counts 7 storages of non-volatile memory module, display module 8 demonstrations.After purchasing power consumption and institute's power consumption had deducted, single-chip microcomputer U3 driving switch module 9 was cut off these user's power supplys, and drove display module 8 and show the information of paying dues.
Adopt addressable writing-in charge system for electric consumption of the present invention, be very easy to electric administrative department and user.Utilities Electric Co. can carry out network with administrative center with each toll site and be connected, and the user can be nearby and any one toll site pre-payment of administrative center's main control computer networking like this, also can be payed on behalf by bank by phone.Each site of charging (or bank) in time is sent to administrative center with paying customer's information, and the main control computer start-up control signal of administrative center produces and emitter sends control corresponding sign indicating number connecting subscribers participating power supply, realizes " pay money at once, send at once ".
Adopt addressable writing-in charge system for electric consumption of the present invention also can make Utilities Electric Co. provide better service for the user.Such as night charges paid power consumption use up suddenly, the user administrative center that can make a telephone call to, after administrative center authenticates, promptly send the unpaid electricity consumption control information of limiting the quantity of to the user, after the addressable watt-hour meter is received this control signal, connect this user's electric weight at once, unpaid power consumption of metering user and storage simultaneously, the unpaid power consumption of this part will remove by bales catch in the power consumption after in the future paying.Utilities Electric Co. is in order to improve the utilization factor of electric power, also practicablely charges at times, and such as at dead of night or factory off-day, the household electricity valuation that can give a discount is broadcast control code and just can be realized at an easy rate as long as led to by administrative center's emission.
Claims (8)
1, a kind of addressable writing-in charge system for electric consumption, comprise wireless control signal transmitting terminal and wireless control signal receiving terminal, it is characterized in that: the wireless control signal transmitting terminal is made of main control computer (1), control signal generator means (2) and emitter (3); Be used to produce control signal and send this control signal by wireless launcher; The wireless control signal receiving terminal is the addressable watt-hour meter that is made of signal receiving module (4), electric weight computing module (5), microprocessor module (6), non-volatile memory module (7), display module (8), switch module (9); The radio frequency signal that be used to receive, the demodulation transmitting terminal sends is stored the data-signal of demodulation reduction, user's power consumption is calculated, deducts, shows and controls the break-make of user's power supply.
2, a kind of addressable writing-in charge system for electric consumption according to claim 1 is characterized in that: the signal that described control signal generator means (2) is based on Computer I SA bus produces card or exports the device of control information by the RS232 serial port of computing machine.
3, a kind of kilowatt meter charge system according to claim 1, it is characterized in that: described signal receiving module (4) is made up of frequency changer circuit and comparer, is used for the radio carrier frequency signal that receives is carried out demodulation, reduction and address relatively.
4, a kind of kilowatt meter charge system according to claim 1, it is characterized in that: described electric weight computing module (5) is made up of rectification circuit, voltage, current sampling circuit and a monolithic electric weight calculating special chip (U10) that has the energy computing engines, is used for the calculating to user's power consumption.
5, a kind of kilowatt meter charge system according to claim 1, it is characterized in that: described microprocessor module (6) is made up of single-chip microcomputer (U3) and the latch (U4) of the EEPROM of inside band 4K, be used for the control information that receiver module (4) and electric weight computing module (5) transport is handled, and non-volatile memory module (7), display module (8) and switch module (9) are controlled by pre-set programs.
6, a kind of kilowatt meter charge system according to claim 1, it is characterized in that: described non-volatile memory module (7) is that the EEPROM (U5) of 2Kbyte forms by capacity mainly, is used for the storage of user's current electric quantity information that microprocessor module (6) is transported.
7, a kind of kilowatt meter charge system according to claim 1 is characterized in that: described display module (8) selects circuit to form by display circuit, driving circuit and position, is used for the explicit user available power or the information of paying dues.
8, a kind of kilowatt meter charge system according to claim 1; it is characterized in that: described switch module (9) is made up of relay (J1, J2), relay drive circuit, relay protection circuit, the switching on or off of instruction control user's power supply of sending according to microprocessor module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99120609 CN1299116A (en) | 1999-12-09 | 1999-12-09 | Addressable writing-in charge system for electric consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99120609 CN1299116A (en) | 1999-12-09 | 1999-12-09 | Addressable writing-in charge system for electric consumption |
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| CN1299116A true CN1299116A (en) | 2001-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 99120609 Pending CN1299116A (en) | 1999-12-09 | 1999-12-09 | Addressable writing-in charge system for electric consumption |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809740A (en) * | 2012-07-17 | 2012-12-05 | 暨南大学 | Error correction device and error correction method for installation of electric energy meter |
| CN104020755A (en) * | 2009-02-23 | 2014-09-03 | 松下电器产业株式会社 | Monitoring and control device |
-
1999
- 1999-12-09 CN CN 99120609 patent/CN1299116A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020755A (en) * | 2009-02-23 | 2014-09-03 | 松下电器产业株式会社 | Monitoring and control device |
| CN104020755B (en) * | 2009-02-23 | 2017-01-04 | 松下知识产权经营株式会社 | A kind of operation terminal used in remote supervisory and controlling syste |
| CN102809740A (en) * | 2012-07-17 | 2012-12-05 | 暨南大学 | Error correction device and error correction method for installation of electric energy meter |
| CN102809740B (en) * | 2012-07-17 | 2014-10-08 | 暨南大学 | Error correction device and error correction method for installation of electric energy meter |
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