CN1249444C - Wattmeter - Google Patents
Wattmeter Download PDFInfo
- Publication number
- CN1249444C CN1249444C CN 200310102225 CN200310102225A CN1249444C CN 1249444 C CN1249444 C CN 1249444C CN 200310102225 CN200310102225 CN 200310102225 CN 200310102225 A CN200310102225 A CN 200310102225A CN 1249444 C CN1249444 C CN 1249444C
- Authority
- CN
- China
- Prior art keywords
- module
- user
- ammeter
- payment
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a Wattmeter which comprises a receiving module, a control module, a multi-rate updating module, an electric energy measuring module, wherein the receiving module is used for receiving various signals sent from an electric power management center in real time, and the signal comprise the multi-rate information of the current period; the control module is connected with the receiving module; the multi-rate updating module which is stored with multi-rate information of the current period is connected with the control module, and the multi-rate updating module updates the stored multi-rate of the current period in a real time way according to relative control commands of the control module; the electric energy measuring module which is connected with the control module is used for measuring user electricity consumption, wherein the control module which takes unit electricity consumption of a user as period calculates the per unit electricity consumption measured and obtained by the electric energy measuring module and the stored multi-rate information of the relative current period in the multi-rate updating module to obtain per unit electricity utilization expense. The Wattmeter of the present invention does not need to set a clock to search the multi-rate information of the corresponding period, and the present invention can conveniently correct wrong advanced charge operation simultaneously.
Description
Technical field
The present invention relates to electronic equipment, particularly a kind of ammeter.
Background technology
Along with of the energetically transformation of department of State Grid to the power infrastructures construction, when satisfying users to electricity needs, the difference of peak power consumption and valley power consumption amount becomes fairly obvious, many local electricities department feels more the electric power resource deficiency in peak period, and at the low-valley interval electric power resource again less than making full use of, cause the resource significant wastage.Therefore, power department is carrying out using onboard clock, and the ammeter of storage peak, the period electricity price information table of two periods of paddy (some are also arranged is three, four periods of branch), this ammeter can measure the power consumption number of degrees of each period respectively according to current time and period information.
Application number be 00115334.X's " radio paging multifunctional watt-hour meter " a kind of ammeter was once disclosed, by receiver module being set in ammeter inside, the decoding mould is determined, control module, be used to receive various instructions to control the co-ordination of determining of each mould, multiple rate scale, be used to store multiple tariff data, when control module receives the instruction that is provided with or revises again tariff data, to answer tariff data is written in the multiple rate scale, clock, be used to provide the time at that time, metering module is used to store the corresponding relation of gauging table and rate, accounting module, be used for according to the power consumption of each gauging table of metering module and the rate calculating user amount of money of answering day part in the rate scale, can also and then comprise prepayment meter and power-off modular, thereby can solve the inconvenience of traditional ammeter existence modification rate, can not solve the problem of owing electricity charges by the ammeter of above-mentioned setting.
But but there is the problem of two aspects in this ammeter:
The first, to store a large amount of multiple tariff datas in this ammeter, when multiple tariff data need upgrade, need power department to transmit complete multiple rate scale, thereby on to the renewal of multiple tariff data and transmission, bring very big inconvenience;
The second, need to be provided with clock in this ammeter and be used to provide the time at that time, to retrieve the multiple rate information of corresponding period according to time at that time, the corresponding clock verifying unit so just need be set come clock is proofreaded, so the trouble that can bring clock to proofread.
The 3rd, this ammeter utilizes the radio call mode to carry out the pre-payment operation, because radio communication exists the unreliability of signal transmission, in case transmission signals makes a mistake or loses, imperfect or the failure of user prepayment operation very easily takes place, and produces dispute thereby cause between user and the electrical management center.Whether successful and above-mentioned this ammeter when the user produce to doubt the different time to the pre-payment process, can confirm without any way whether prepayment information has deposited ammeter in, so for the user, exist and can not in time inquire about pre-payment process drawback.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of need the storage to answer rate informations in a large number, and the ammeter that clock is searched the multiple rate information of corresponding period need be set.
Another technical matters that the present invention will solve is to propose whether a kind of can conveniently to detect each pre-payment process correct, and can correct the ammeter of the pre-payment operation that makes a mistake.
For addressing the above problem, the present invention proposes a kind of ammeter, comprises receiver module, is used for receiving in real time the various signals that send at the electrical management center, and described signal comprises the multiple rate information of current period;
With the control module that described receiver module is connected, be used for generating control commands corresponding with the co-ordination of control subsequent module according to the various signals that described receiver module receives, simultaneously canned data in the subsequent module is handled;
It is characterized in that described ammeter also comprises:
The multiple rate module of the renewal that stores multiple rate information of current period that is connected with described control module is used for according to the corresponding control command of described control module the multiple rate information of the current period of storage being carried out real-time update;
The electric energy metrical module that is connected with described control module is used for the power consumption of metering user;
Wherein, described control module is the cycle with user's unit power consumption, the multiple rate information of the corresponding current period of storing in per unit power consumption that the metering of described electric energy metrical module is obtained and the multiple rate module of described renewal calculates, and obtains the per unit electricity cost.
Described signal also comprises the prepayment information that the user is each; Described ammeter also comprises:
The detection interface module that is connected with described control module is used for scanning the subscriber-coded and each prepayment information that is stored in user's mobile information card;
The address code memory module that is connected with described control module is used for storing the subscriber-coded of the address code of each ammeter self and respective user mobile information card;
The first pre-payment memory module that is connected with described control module is used to store the each prepayment information of user, and is provided with the first minimum pre-payment threshold value.
Described ammeter also comprises:
The second pre-payment memory module that is connected with described control module, be used to store the current overall prepayment information of user, and prestoring the second minimum pre-payment threshold value, described overall prepayment information deducts user's the overall power consumption amount of money for each time of user pre-payment amount of money sum; After the user carried out the pre-payment operation at every turn, the user worked as the inferior pre-payment amount of money and stores into simultaneously in the described first pre-payment memory module and the second pre-payment memory module;
The per unit electricity cost that described control module will calculate is in real time at every turn deducted from the overall prepayment information of described second pre-payment memory module storage.
Include timer in the described control module, the time interval between any two signals that are used for receiver module is received is carried out timing; Described ammeter also comprises:
Preset multiple rate memory module, be connected with described control module, be used for storing in advance a multiple rate information, when described timer timing obtains time interval between any two signals that receiver module receives when surpassing interval threshold, upgrade the multiple rate information of the current period of storing in the multiple rate module of described renewal with the multiple rate information of storage in advance.
Alarm module, be connected with described control module, be used for obtaining time interval between any two signals that receiver module receives when surpassing interval threshold when described timer timing, or when the overall prepayment information of second pre-payment memory module storage is lower than the first minimum pre-payment threshold value, send alarm to the user.
Described ammeter also comprises energy supply control module, is connected with described control module, and when being used for overall prepayment information when second pre-payment memory module storage and being lower than the second minimum pre-payment threshold value, control is cut off the electricity supply, to disconnect current supply circuit; Wherein, the described second minimum pre-payment threshold value is less than the described first minimum pre-payment threshold value.
Beneficial effect of the present invention: ammeter of the present invention upgrades multiple rate module by being provided with, by bringing in constant renewal in, only store the multiple rate information of up-to-date current period, thereby do not need the multiple rate information of day part is all stored, therefore save storage space, be convenient to management; Provide at that time time thereby also no longer need to be provided with clock,, therefore removed the inconvenience that the clock check and correction brings to search the multiple rate information of corresponding period by the current time; And whether each pre-payment process is correctly made things convenient for detection by detection interface module, address code memory module and the combinable realization of the first pre-payment memory module are set, and can in time correct the pre-payment operation that makes a mistake, thereby made things convenient for the user, also made the electrical management center can make things convenient for the managing prepaid operating process simultaneously.
Description of drawings
Fig. 1 is the first embodiment module composition frame chart of ammeter of the present invention;
Fig. 2 is the multiple rate information table of a regular working day;
Fig. 3 is the multiple rate information table of a holiday on National Day;
Fig. 4 is the second embodiment module composition frame chart of ammeter of the present invention;
Fig. 5 is the 3rd an embodiment module composition frame chart of ammeter of the present invention;
Fig. 6 is the 4th an embodiment module composition frame chart of ammeter of the present invention;
Fig. 7 is the 5th an embodiment module composition frame chart of ammeter of the present invention;
Fig. 8 is that synoptic diagram is formed in the outside of ammeter of the present invention;
Fig. 9 is the synoptic diagram that a plurality of ammeters of the present invention and electrical management center communicate;
Figure 10 is the circuit diagram of storer;
Figure 11 is the circuit diagram of electric energy metrical module first embodiment;
Figure 12 is the circuit diagram of electric energy metrical module second embodiment;
Figure 13 is the circuit composition diagram that detects interface module;
Figure 14 is the circuit composition diagram of energy supply control module;
Figure 15 is the circuit composition diagram of power down protection module;
Figure 16 is the circuit composition diagram of the receiver module of ammeter;
Figure 17 is the combinational circuit diagram of receiver module and transmitter module.
Embodiment
Below in conjunction with accompanying drawing the concrete enforcement of ammeter of the present invention is done into further to elaborate.
With reference to Fig. 1, be the first embodiment module composition frame chart of ammeter of the present invention; Ammeter is made up of receiver module 10, control module 30, the multiple rate module 40 of renewal, electric energy metrical module 50, the second pre-payment memory module 60 and display module 20 among the figure, and the principle of work and the annexation of each module are as follows:
Upgrade multiple rate module 40, is connected, be used for upgrading according to the corresponding control command of control module multiple rate information to current period of storing with control module 30; Be receiver module 10 when at every turn receiving new multiple rate information, all upgrade multiple 40 pairs of former multiple rates that are stored in self of rate module and carry out corresponding renewal, always store the multiple rate information of current period so that upgrade multiple rate module 40 by control module 30 controls.
Electric energy metrical module 50, be connected with control module 30, the power consumption that is used for metering user, wherein, described control module 30 is the cycle with user's unit power consumption, as 1 kilowatt hour, 0.1 kilowatt hour etc., the multiple rate information of the corresponding current period of storage carries out multiply operation in per unit power consumption that electric energy metrical module 50 metering is obtained and the multiple rate module 40 of described renewal, obtains the per unit electricity cost.
The second pre-payment memory module 60, be connected with control module 30, be used to store the current overall prepayment information of user, and providing described overall prepayment information at any time to control module 30, wherein overall prepayment information deducts user's the overall power consumption amount of money for each time of user pre-payment amount of money sum; After the user finishes pre-payment at every turn, control module 30 all can be according to the prepayment information that receives from receiver module 10, deposit user's the pre-payment amount of money in second pre-payment memory module 60, the second pre-payment memory module 60 also provides described overall prepayment information to control module 30 at any time, so that control module 30 can be according to the electricity consumption amount of money deduction electricity consumption amount of money from the overall prepayment information of the second pre-payment memory module, 60 storages with corpse, so the second pre-payment memory module 60 is dynamic memory databases, because user power utilization constantly consumes the storage amount of money wherein, simultaneously also because the pre-payment in the user external world constantly increases the storage amount of money wherein.
The above-mentioned ammeter of being made up of each module of first embodiment can only be finished renewal, the calculating of electricity cost, user's the prepayment service and the procedure for displaying at any time of multiple rate information, and the detailed process of finishing above-mentioned each function is described respectively below:
(1) renewal at any time of multiple rate information, the electrical management center all can send to up-to-date multiple rate information each long-range ammeter under each again situation that rate changes.As shown in Figure 2, be the multiple rate information table of a regular working day, working day (Mon-Fri) wherein, from 8 being 0.56 yuan/degree up to 22 o'clock electricity prices, from 22 up at 8 o'clock next day electricity price be 0.28 yuan/degree; At weekend (evening Friday, Saturday, Sunday), since 18 o'clock evenings of Friday, the period electricity price is 0.28 a yuan/degree; Saturday and Sunday be from 8 being 0.35 yuan/degree up to 18 o'clock electricity prices, from 18 up at 8 o'clock next day electricity price be 0.28 yuan/degree.As seen the multiple rate information of day part is different weekly.
Referring again to shown in Figure 3ly, is the multiple rate information table during a holiday on National Day, and in vacation seven day National Day, the multiple rate of day part is inconsistent in the table, and and the multiple rate information of regular working day have any different again.Multiple rate information table as shown in Figures 2 and 3 is stored in the associated databases at electrical management center, and the electrical management center can the cycle send multiple rate information that the current period should adopt to each long-range ammeter;
Each long-range ammeter receives the multiple rate informations of the current period of sending at the electrical management centers in real time by receiver module 10, upgrades the multiple rate mould 40 multiple rate informations that will store of determining by control module 30 controls then and is updated to the multiple rate information of current period.As the multiple rate information that upgrades multiple rate module 40 present storages is 0.56, multiple rate information as ammeter receiver module 10 receptions next time is 0.28 o'clock, then control module 30 will be controlled and upgrade multiple rate module 40 the multiple rate information 0.56 of former storage is updated to multiple rate information is 0.28, thereby finish the process that each rate information is again brought in constant renewal in real time.
(2) calculating of electricity cost, when electric energy metrical module 50 is metered into user's unit power consumption at every turn (as 1 kilowatt hour, 0.1 kilowatt hour), send the request of charging to control module 30, control module 30 drives upgrades the multiple rate information of current period that multiple rate module 40 reports storage, the unit power consumption sent according to electric energy metrical module 50 of control module 30 and upgrade the unit electricity cost that multiple rate information of current period that multiple rate module 40 reports calculates this unit power consumption then, control module 30 drives the second pre-payment memory module 60 again and reports the overall prepayment information of current user, this unit electricity cost that control module 30 will calculate is deducted from the overall prepayment information of user, and then the overall prepayment information that deduction falls this unit electricity cost fed back in the second pre-payment memory module 60 stores.
(3) user's prepayment service, when extraneous user by ecommerce mode such as telephone bank, Web bank or bank ATM terminal during to electrical management center prepayment electric expense, the prepayment information that the electrical management center will include the user prepayment amount of money sends to each long-range ammeter.Similar with above-mentioned multiple rate information renewal process, after control module 30 receives the prepayment information that includes the user prepayment amount of money by receiver module 10, the pre-payment amount of money that the user is prestored deposits in the second pre-payment memory module 60, and the overall prepayment information in the second pre-payment memory module 60 is the residue pre-payment amount of money of original storage and this user's pre-payment amount of money sum at this moment.
(4) procedure for displaying, control module 30 extracts the current multiple rate information in residue prepayment information in the second pre-payment memory module 60 and the multiple rate module 40 of renewal, and driving display module 20 shows.Certainly look different situations and can also show other information, as current power consumption information of user etc.
Wherein display module 20 generally can be chosen LCD (LCD) or light emitting diode (LED), as above routine, display mode generally can preferably remain multiple rate information of prepayment information and current period and show at interval, for example, the residue prepayment information shows 30 seconds, and the current period, multiple rate information showed 5 seconds.For distinguishing multiple rate information of residue prepayment information and current period, generally can add letter " P " to show difference in multiple rate information front.
Wherein display module 20 is not limited to the display mode of lifting and displaying contents here, can show the various information of storing in the ammeter one by one according to concrete needs, and wherein display mode can also combination in any., repeat no more here with above-mentioned similar for other display mode and its principle of displaying contents type.
With reference to Fig. 4, be the second embodiment module composition frame chart of ammeter of the present invention.On the basis of first embodiment, present embodiment has increased address code memory module 70, the first pre-payment memory modules 80 again and has detected interface module 90 in Fig. 1, and wherein the principle of work of these three modules is as follows:
Address code memory module 70 is connected with control module 30, is used for storing the subscriber-coded of the address code of each ammeter self and respective user mobile information card; Because can be simultaneously a plurality of ammeters of far-end are carried out control and management in the electrical management center,,, can be convenient to management and control to identify the identity of each ammeter so give each ammeter definition an address code; Simultaneously address code memory module 70 also stores the subscriber-coded of corresponding self address code simultaneously, and that wherein stores in this subscriber-coded and user's mobile information card that can be applied to this ammeter is subscriber-coded consistent.
The first pre-payment memory module 80, be connected with control module 30, be used to store the each prepayment information of user, the user passes through telephone bank at every turn, ecommerce modes such as Web bank or bank ATM terminal are when the prepayment electric expense of electrical management center, when the prepayment information that the electrical management center will include this time of user pre-payment amount of money sends to each long-range ammeter, after control module 30 receives the prepayment information that includes the user prepayment amount of money by receiver module 10, the pre-payment amount of money that this time of user prestored is when being deposited into second pre-payment storage mould and determining in 60, also the pre-payment amount of money with this time of user is deposited in the first pre-payment memory module 80, in the first pre-payment memory module 80, storing the sequence number (sign) and the corresponding pre-payment amount of money of each prepayment information.Certainly, also can select to store nearly prepayment information several times according to the memory capacity size of the first pre-payment memory module 80 and user's mobile information card.
Detect interface module 90, be connected, be used for scanning each prepayment information of the subscriber-coded of user's mobile information card and storage with control module 30; Wherein detecting interface module 90 can be IC-card interface or infrared scan formula interface etc.
Under a few cases, because the instability of wireless channel or power carrier channel, may exist certain prepayment information of user to fail to send to smoothly corresponding ammeter, so that ammeter that should correspondence can not be correct the pre-payment amount of money with this user in time fill in the ammeter, cause damage to the user.Therefore, increased and can realize that whether correct ammeter of the present invention make things convenient for the user to detect each prepayment information function after above-mentioned three modules, it realizes that detailed process is as follows:
Here being that example is explained as the described user's mobile information of ammeter of the present invention card with the hand-held IC-card of corpse, other forms of mobile information card to here similar for the example principle of IC-card.Write by the electrical management center in advance in the IC-card that the user hands and correspond to the subscriber-coded of corresponding ammeter, after the user carries out the pre-payment operation, when the electrical management center sends to user's prepayment information in the corresponding ammeter, also the appointed place by bank or electric administrative department is written to and (also can is not written in the IC-card simultaneously certainly among the corresponding IC with this prepayment information, up to the user pre-payment operating process is produced the doubtful different time, carry out the operation that the pre-payment amount of money writes IC-card to corresponding banking system again), if whether the user wants to detect certain pre-payment operating process to certain doubtful XOR of pre-payment process generation correct, can detect interface module 90 (being the IC-card interface here) by hand-held IC-card is inserted, detect corresponding certain the prepayment information of interface module 90, then the data of scanning are passed to control module 30 the subscriber-coded of scans I C card inside and storage; Control module 30 is with subscriber-coded and be stored in subscriber-coded comparing in the address code memory module 70, if it is identical (if different, then refuse the information of this IC-card inside is handled), this time prepayment information that then further will be stored in the user in this IC-card be stored in the first pre-payment memory module 80 in should compare by time prepayment information mutually, if comparative result is identical, prove that then the operating process of this time pre-payment is no problem; If comparative result difference, then prove in all or part of first pre-payment memory module 80 and the second pre-payment memory module 60 that is not deposited into ammeter of the pre-payment amount of money of this time of user, this moment, control module 30 partly was deposited into the pre-payment amount of money that is not deposited in the IC-card in the first pre-payment memory module 80 and the second pre-payment memory module 60 in the first pre-payment memory module 80 and the second pre-payment memory module 60 by detecting interface module 90, thereby had avoided pre-payment operating process failure and the leak that causes.And then removed by communication and carried out the instability problem that the pre-payment operating process brings, guaranteed the reliability of long-range prepayment mode, solved the trouble and worry between user and the electrical management center.
With reference to Fig. 5, be the 3rd embodiment module composition frame chart of ammeter of the present invention.On the basis of first embodiment, present embodiment has increased statistical module 100 again and data derive module 110 in Fig. 1, and the effect of these two modules is as follows:
Data derive module 110, are connected with control module 30, are used for will being stored in by control module 30 the power information derivation of user's day part of statistical module 100, to be used for extraneous staff's subsequent analysis statistical work.
Under a few cases: if there is the user that the ammeter charging case is produced objection; Or electric administrative department need be monitored certain user's electricity consumption situation so that whether inspection has electricity filching behavior; Or electric administrative department need be gathered the conduct of user power utilization information to studying the basis of each period electricity price load condition.In these cases, electric administrative department need be come out the statistical data collection that is stored in the user power utilization information in the statistical module 100 in the ammeter, and carries out check analysis, clear and definite problem place with the relevant data of electrical management central store.After ammeter of the present invention adds statistical module 100 and data derivation module 110, can realize the export function of user power utilization information, it realizes that principle is as follows:
Information such as the power consumption of 30 cycles of control module statistics user day part and electricity cost, and be deposited in the statistical module 100.If electric administrative department need obtain relevant electricity consumption statistical information, can use portable collector (as handing meter reader etc.) to derive module 110 power information of statistics is gathered out by data.Data derive module 110 generally can adopt infrared interface or contact connecting interface (as adopting RS-232 interface or RS-485 interface etc.).
With reference to Fig. 6, be the 4th embodiment module composition frame chart of ammeter of the present invention.On the basis of first embodiment, present embodiment has increased timer 160 again, has preset multiple rate memory module 120, power down protection module 130, energy supply control module 140 and alarm module 150 in Fig. 1, and the effect of these five modules is as follows:
Preset multiple rate memory module 120, be connected with control module 30, be used for storing in advance a multiple rate information, when the time interval between any two signals that detect receiver module 10 receptions by control module 30 surpasses the interval threshold (this interval threshold can be provided with as required in advance) that presets, the multiple rate information of storage is in advance sent to the multiple rate module 40 of described renewal, so that the multiple rate information of current period that the multiple rate module 40 of renewal will be stored is updated to the described multiple rate information of storage in advance.Thereby can avoid the user under the situation of using low multiple rate,, not receive the new multiple rate information that send at the electrical management center, enjoy this wilful act of low multiple rate information the ammeter shielding.
Energy supply control module 140, be connected with control module 30, being used for overall prepayment information when the 60 current storages of the second pre-payment memory module is lower than the second minimum pre-payment threshold value (this second minimum pre-payment threshold value also can be provided with as required in advance, wherein the first minimum pre-payment threshold value is greater than the second minimum pre-payment threshold value), control is cut off the electricity supply, to disconnect current supply circuit.
Power down protection module 130; be connected with control module 30; be used under powering-off state; the each several part information that 30 pairs of control modules is upgraded answered rate module 40, electric energy metrical module 50, address code memory module 70, the first pre-payment memory module 80, the second pre-payment memory module 60, presets storage in multiple rate memory module 120 and the statistical module 100 is carried out complete read/write operation; to prevent under the situation of sudden power; reading/writing of information operation failure and the incomplete situation of read are taken place.
Because if during the various signal that receiver module 10 adopts that wireless modes receive that the electrical management centers send, may be under a few cases, ammeter is in the region that signal is fainter or transmitting base station does not cover, as basement or away from the place of transmitting base station, or be in the stronger zone of electromagnetic screen, in the iron ammeter box as sealing.Like this, ammeter might not receive multiple rate information and other the necessary information that the electrical management center sends at any time.Certainly, do not get rid of a few users is deliberated the shielding wireless signal for the low multiple rate of enjoyment possibility yet.
(this time is above-mentioned interval threshold) receiver module 10 does not receive the signal that send at the electrical management center in certain hour, timer 160 is with overtime and trigger control module 30, at this moment control module 30 drives the alarm signal that alarm module 150 sends the acousto-optic mode on the one hand the user is alarmed, and the multiple rate information of current period that will upgrade storage in the multiple rate module 40 on the one hand is updated to and presets in the multiple rate memory module 120 the multiple rate information of storage in advance (preset in the multiple rate memory module 120 the multiple rate information of storage in advance and generally all be higher than the maximum set at electrical management center rate information again).Like this, when finding warning information, the user can notify the electrical management center that communication process is detected, fix up an aerial wire or the modes such as base station, repeater of setting up solve the weak excessively problem of signal as adopting, also can avoid the electricity filching behavior of the premeditated shielding of user wireless signal simultaneously.
And then, can also one first minimum pre-payment threshold value be set in the second pre-payment memory module 60, when control module 30 finds that the prepayment information of storage in the second pre-payment memory module 60 arrives or when being lower than this first minimum pre-payment threshold value, can drive alarm module 150 and send alarm, in time carry out the pre-payment operation with the prompting user.If the user no more than the time carry out pre-payment operation, when control module 30 finds that the prepayment information of storage in the second pre-payment memory module 60 arrives the second minimum pre-payment threshold value that prestores in advance, control module 30 will driving power control module 140 deenergizations, to cut off current supply circuit, avoid the user to continue electricity consumption.
Under the sudden power situation; for carrying out complete read/write operation to being stored in the each several part information of upgrading multiple rate module 40, electric energy metrical module 50, address code memory module 70, the first pre-payment memory module 80, the second pre-payment memory module 60, presetting in multiple rate memory module 120 and the statistical module 100; to prevent under the sudden power situation; read that can not be complete can also be provided with power down protection module 130.
Among wherein above-mentioned second embodiment to the, five embodiment, the functional character of each embodiment can also carry out combination in any on the basis of first embodiment, and its principle is identical with the process of having narrated, and repeats no more here.
With reference to Fig. 7, be the 5th embodiment module composition frame chart of ammeter of the present invention.In Fig. 5 on the basis of the 3rd embodiment, present embodiment has increased transmitter module 170 again, be used for the user power utilization information of statistical module 100 storages is oppositely sent it back power control center, this transmitter module 170 also can operate whether successful message further sends it back the electrical management center with user prepayment simultaneously.
With reference to Fig. 8, be that synoptic diagram is formed in the outside of ammeter of the present invention; Ammeter 2 outside surfaces of the present invention comprise antenna 3 among the figure, are used for carrying out the transmitting-receiving of various signals with electrical management center 1 by base station 8; Display 9 by display module 20 control, shows user's power information; Power light 4, by energy supply control module 140 controls, when power supply was communicated with, this power light 4 was bright, and when power supply disconnected, this power light 4 went out; Alarm indicator 5, by alarm module 150 control, during alarm status, this alarm indicator 5 is bright, and during non-alarm status, this alarm indicator 5 goes out; Data export interface 7 is derived module 110 controls by data, can be infrared interface; Whether correct the IC-card slot be used for being used to insert IC-card detecting the pre-payment process when.
With reference to Fig. 9, be the synoptic diagram that a plurality of ammeters of the present invention and electrical management center communicate.Each ammeter 2 is encapsulated in the iron ammeter box 11 among the figure, and is connected on the antenna 3 by feeder line, and then can carry out the transmitting-receiving process of various information by base station 8 and electrical management center 1.
Simply introduce the circuit composition diagram of above-mentioned each module below.With reference to Figure 10, be control module 30, display module 20, alarm module 150, by upgrading multiple rate module 40, address code memory module 70, the first pre-payment memory module 80, the second pre-payment memory module 60, presetting the memory portion that multiple rate memory module 120 and statistical module 100 form, the circuit diagram that data derivation module 110 is formed.Wherein, control module 30 adopts AT89S52 singlechip chip (also can adopt P89C52 chip or other compatible chip), this chip has the 8k program space, RAM on 256 chunks, 4 two-way 8 I/O mouths, 6 grades of interrupt sources, 3 internal timing/counters can be good at satisfying the functional requirement of control module 30 of the present invention by programming.Display module 20 is made up of a 5LED, is directly driven by the P0 mouth and the P1 mouth of singlechip chip; Alarm module 150 is a light emitting diode D3, also can expand other alarm devices such as comprising hummer, links to each other with single-chip microcomputer WARN pin; Storer is an E2PROM nonvolatile memory AT24C04 chip, links to each other with the AT89S52 singlechip chip with ROM_SCL by ROM_SDA; Data output interface is the asynchronous communication of RS-232 serial ports, adopts the contact directly to be connected with the TxD pin with single-chip microcomputer RxD, also can connect by infrared interface.
With reference to Figure 11, be the circuit diagram of electric energy metrical module 50 first embodiment.The electric energy computation chip of electric energy metrical module 50 employings here is the single-phase electronic electric energy meter computation chip of ATT7201.
With reference to Figure 12, be the circuit diagram of electric energy metrical module 50 second embodiment.This ic for energy metering adopts the transmission-type optoelectronic switch as the impulse sampling switch.The luminous component of this optoelectronic switch is an infrarede emitting diode, and receiving unit is an infrared electro triode, interdicts the Infrared Transmission route by the rotation of electric energy meter machine carousel and produces electric energy metrical pulse, thereby realize the metering of electric energy.
With reference to Figure 13, be the circuit composition diagram that detects interface module 90.The circuit that this circuit refers to detect interface module 90 when adopting the IC-card interfaces, IC-card seat (IC-card seat model is JKZ-H0IB-08) be by IC_RST, IC_CLK, and IC_DATA and IC_SW etc. link to each other with singlechip chip.Power supply mode adopts independent current source, and is controlled by the JKZ-H0IB-08 singlechip chip.Like this, when IC-card power supply short circuit situation occurring, IC-card power supply VCC_IC generally can form short-circuit protection because of output overloading, and power supply is output as low level.At this moment the JKZ-H0IB-08 singlechip chip measures the IC_ALARM pin when being low level; can take safeguard measure; control IC_PWR cuts off the power supply to IC-card, can avoid damaging because of the object that inserts bad card that power supply and ground punctures or sheet metal and so on the phenomenon of current supply circuit.
With reference to Figure 14, be the circuit composition diagram of energy supply control module 140.This power control circuit can adopt the OMIH-SS-112D relay.
With reference to Figure 15, be the circuit composition diagram of power down protection module 130.In this circuit, when power supply VCC power down, the write-protect end ROM_WP of E2PROM chip AT24C04 is changed to read-only, and the AT24C04 chip can utilize the operation of finishing inner write sequence the discharge time of electrochemical capacitor C12, has avoided the imperfect of data.
With reference to Figure 16, be the circuit composition diagram of the receiver module 10 of ammeter.This circuit adopts the chip of nRF401 monolithic wireless receiving and dispatching one, and frequency of operation is that international number passes frequency range 433MHz, has FSK modulation and demodulation ability, also can and then use external antenna.The nRF401 chip directly links to each other with the TxD pin with the RxD of antenna, adopts RS-232 serial ports asynchronous communication data, and COMM_EN is used for control circuit and is operated in normal mode of operation or sleep pattern.
With reference to Figure 17, be the combinational circuit diagram of receiver module 10 and transmitter module 170.This circuit is for having emission, received signal function, and is similar with receiving circuit among Figure 16, and TXEN is used to select the reception or the sending mode of circuit, and repeat no more here.
The above only is a preferred implementation of the present invention.Should be pointed out that for those skilled in the art under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of ammeter comprises receiver module, is used for receiving in real time the various signals that send at the electrical management center, and described signal comprises the multiple rate information of current period;
With the control module that described receiver module is connected, be used for generating control commands corresponding with the co-ordination of control subsequent module according to the various signals that described receiver module receives, simultaneously canned data in the subsequent module is handled;
It is characterized in that described ammeter also comprises:
The multiple rate module of the renewal that stores multiple rate information of current period that is connected with described control module is used for according to the corresponding control command of described control module the multiple rate information of the current period of storage being carried out real-time update;
The electric energy metrical module that is connected with described control module is used for the power consumption of metering user;
Wherein, described control module is the cycle with user's unit power consumption, the multiple rate information of the corresponding current period of storing in per unit power consumption that the metering of described electric energy metrical module is obtained and the multiple rate module of described renewal calculates, and obtains the per unit electricity cost.
2, ammeter according to claim 1 is characterized in that, described signal also comprises the prepayment information that the user is each; Described ammeter also comprises:
The detection interface module that is connected with described control module is used for scanning the subscriber-coded and each prepayment information that is stored in user's mobile information card;
The address code memory module that is connected with described control module is used for storing the subscriber-coded of the address code of each ammeter self and respective user mobile information card;
The first pre-payment memory module that is connected with described control module is used to store the each prepayment information of user, and is provided with the first minimum pre-payment threshold value.
3, ammeter according to claim 2 is characterized in that, described ammeter also comprises:
The second pre-payment memory module that is connected with described control module, be used to store the current overall prepayment information of user, and prestoring the second minimum pre-payment threshold value, described overall prepayment information deducts user's the overall power consumption amount of money for each time of user pre-payment amount of money sum; After the user carried out the pre-payment operation at every turn, the user worked as the inferior pre-payment amount of money and stores into simultaneously in the described first pre-payment memory module and the second pre-payment memory module;
The per unit electricity cost that described control module will calculate is in real time at every turn deducted from the overall prepayment information of described second pre-payment memory module storage.
4, ammeter according to claim 3 is characterized in that, includes timer in the described control module, and the time interval between any two signals that are used for receiver module is received is carried out timing; Described ammeter also comprises:
Preset multiple rate memory module, be connected with described control module, be used for storing in advance a multiple rate information, when described timer timing obtains time interval between any two signals that receiver module receives when surpassing interval threshold, upgrade the multiple rate information of the current period of storing in the multiple rate module of described renewal with the multiple rate information of storage in advance.
Alarm module, be connected with described control module, be used for obtaining time interval between any two signals that receiver module receives when surpassing interval threshold when described timer timing, or when the overall prepayment information of second pre-payment memory module storage is lower than the first minimum pre-payment threshold value, send alarm to the user.
5, according to claim 3 or 4 described ammeters, it is characterized in that described ammeter also comprises:
Energy supply control module is connected with described control module, and when being used for overall prepayment information when second pre-payment memory module storage and being lower than the second minimum pre-payment threshold value, control is cut off the electricity supply, to disconnect current supply circuit;
Wherein, the described second minimum pre-payment threshold value is less than the described first minimum pre-payment threshold value.
6, ammeter according to claim 1 is characterized in that, described ammeter also comprises: with the statistical module that described control module is connected, the power information that is used for user's day part that control module is come out is stored.
7, ammeter according to claim 6 is characterized in that, described ammeter also comprises:
Data derive module, are connected with described control module, and being used for derives the power information of user's day part of described statistical module storage.
8, ammeter according to claim 1 is characterized in that, described ammeter also comprises:
The power down protection module; be used under powering-off state, guarantee that described control module is to upgrading multiple rate module, electric energy metrical module, address code memory module, the first pre-payment memory module, the second pre-payment memory module, presetting the each several part information of storing in multiple rate memory module or the statistical module and carry out complete read/write operation.
9, ammeter according to claim 1 is characterized in that, described ammeter also comprises the display module that is connected with described control module, is used for the power information of real-time explicit user.
10, ammeter according to claim 1 is characterized in that, described ammeter also comprises the transmitter module that certainly is connected with described control mould, be used for user's power information and user's pre-payment is operated successfully/failed message sends to the electrical management center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310102225 CN1249444C (en) | 2003-10-27 | 2003-10-27 | Wattmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310102225 CN1249444C (en) | 2003-10-27 | 2003-10-27 | Wattmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540358A CN1540358A (en) | 2004-10-27 |
| CN1249444C true CN1249444C (en) | 2006-04-05 |
Family
ID=34333142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310102225 Expired - Fee Related CN1249444C (en) | 2003-10-27 | 2003-10-27 | Wattmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1249444C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072455A1 (en) * | 2016-10-17 | 2018-04-26 | 中国电力科学研究院有限公司 | Electric energy meter, checking method therefor, and storage medium |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680782B (en) * | 2004-12-09 | 2010-04-28 | 北京纳思电器有限公司 | Charging method and system after metering |
| WO2011077745A1 (en) * | 2009-12-25 | 2011-06-30 | パナソニック株式会社 | Home electric appliance |
| CN103901267A (en) * | 2012-12-26 | 2014-07-02 | 苏州工业园区新宏博通讯科技有限公司 | Current signal wireless receiving type electric energy meter |
| CN104539300B (en) * | 2015-01-15 | 2017-05-17 | 青岛裕华电子科技有限公司 | Electricity colleting terminal radio frequency regulator |
| CN105488973B (en) * | 2015-10-27 | 2018-12-28 | 国网山东省电力公司济南供电公司 | A kind of electricity charge charging automatic creation system |
| CN105628127A (en) * | 2015-12-29 | 2016-06-01 | 成都兴联宜科技有限公司 | Method for achieving channel number identification of photoelectric directly-read wired remote gas meter |
| JP7114514B2 (en) * | 2019-03-14 | 2022-08-08 | ルネサスエレクトロニクス株式会社 | Semiconductor device and battery pack |
-
2003
- 2003-10-27 CN CN 200310102225 patent/CN1249444C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072455A1 (en) * | 2016-10-17 | 2018-04-26 | 中国电力科学研究院有限公司 | Electric energy meter, checking method therefor, and storage medium |
| GB2565177A (en) * | 2016-10-17 | 2019-02-06 | China Electric Power Res Institute Company Limited | Electric energy meter, checking method therefor, and storage medium |
| GB2565177B (en) * | 2016-10-17 | 2022-07-27 | China Electric Power Res Institute Company Limited | Electric meter, checking method thereof and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1540358A (en) | 2004-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102447255B (en) | Power management apparatus, power management system and method for controlling power management system | |
| KR20040009560A (en) | System for remotely reading an meter using data structure grouped | |
| CN1249444C (en) | Wattmeter | |
| US20020030604A1 (en) | Telemetry system and method | |
| CN103577667A (en) | Production line automatic test management system and control method | |
| CN104504878A (en) | Meter reading system for intelligent electric meter | |
| CN104660293A (en) | Terminal, intelligent electricity consuming system and method for acquiring electricity consumption information | |
| CN1866309A (en) | Wireless split-type metering device | |
| CN1831888A (en) | Portable apparatus for remote wireless meter recording system and method of remote wireless meter recording | |
| CN204904328U (en) | Intelligence is visited carwash service system | |
| CN210742973U (en) | Rail transit operation tool management system | |
| CN205910838U (en) | Handheld meter recorder | |
| CN106327844A (en) | Wireless meter reading system of power-free water meter | |
| KR20040000031A (en) | Automatic Meter Reading System | |
| CN1216352C (en) | Wireless communication parking meter and operation method thereof | |
| CN101782957A (en) | Hand-hold China second-generation identity card verification reader | |
| CN210090556U (en) | Keyboard type prepayment intelligent electric energy meter | |
| CN109507507A (en) | Adapter detection method, device, storage medium, test board and detection system | |
| CN205982420U (en) | Take electric energy meter of USB interface | |
| CN1271100A (en) | Radio paging multifunctional watt-hour meter | |
| CN207182376U (en) | Split type quality certification automatic generator | |
| CN112036532A (en) | Intelligent power safety tool management system and method | |
| CN2565000Y (en) | Intelligent water-meter capable of wireless copying and reading prepayment | |
| CN2775766Y (en) | Hand held machine for remote radio meter recording system | |
| CN219417712U (en) | Detector for detecting electricity price scheme operated by electric energy meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |