CN201435110Y - Prepaid electric energy meter - Google Patents
Prepaid electric energy meter Download PDFInfo
- Publication number
- CN201435110Y CN201435110Y CN2009200738532U CN200920073853U CN201435110Y CN 201435110 Y CN201435110 Y CN 201435110Y CN 2009200738532 U CN2009200738532 U CN 2009200738532U CN 200920073853 U CN200920073853 U CN 200920073853U CN 201435110 Y CN201435110 Y CN 201435110Y
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Abstract
The utility model discloses a prepaid electric energy meter. The prepaid electric energy meter comprises a multifunctional watt-hour meter, a prepaid controller and a low-voltage circuit breaker, wherein, the multifunctional watt-hour meter is not only connected with a three-phase power line through a current transformer, but also connected with the prepaid controller; the prepaid controller is not only connected with the multifunctional watt-hour meter, but also connected with the low-voltage circuit breaker; the low-voltage circuit breaker is not only connected with the prepaid controller, but also connected with a subscriber switch through a control relay; and the subscriber switch is positioned on the three-phase power line. The utility model is provided with a remote communication module, and realizes remote copy of the watt-hour meter by utilizing a wireless communication network to transmit data; and the utility model is further provided with a charging module which supports remote instruction type charge, so as to provide conveniences for a subscriber to pay electricity bill.
Description
Technical field
The utility model relates to a kind of power measurement device, relates in particular to a kind of prepayment meter.
Background technology
Pre-paying kilowatt-hour meter has obtained increasingly extensive use, and it comprises contact cassette and contactless two kinds.
Contact cassette ammeter has variety of ways such as magnetic card, electricity card and CPU card, and its principal feature is to combine with the plug-in card machine by various cards, and transmission information is mutually finished message exchange.The occasion that contact cassette ammeter is used in civilian single-phase circuit system mostly, is convenient to carry out the plug-in card operation.Yet, for the big three-phase supply of use amount, ammeter is loaded in the metering cabinet, power distribution cabinet of sealing, and metering cabinet, power distribution cabinet also may be installed on the high-tension electricity line source or the electric pole eminence nearby, and the contact card table is in operation, on the safety, all have difficulties on the electricity bill control.
Noncontact cassette ammeter adopts transmission means such as infrared signal to transmit ammeter information mostly, can realize remote copying, but transmission range, transmission reliability all have bigger restriction.
The utility model content
Technical problem to be solved in the utility model provides a kind of prepayment meter.
For solving the problems of the technologies described above, the utility model prepayment meter comprises multifunction electric meter, pre-payment controller and low-voltage circuit breaker; Wherein,
Multifunction electric meter both was connected with the three-phase power circuit by current transformer, was connected with pre-payment controller again;
Pre-payment controller both was connected with multifunction electric meter, was connected with low-voltage circuit breaker again;
Low-voltage circuit breaker both was connected with pre-payment controller, was connected with subscriber switch by pilot relay again, and described subscriber switch is positioned on the three-phase power circuit.
In the above-mentioned prepayment meter, pre-payment controller specifically comprises central control module, remote communication module again, supplements module with money, alarm module, chamber door monitoring modular and display module; Wherein,
Central control module and remote communication module, supplement module, sound and light alarm module, chamber door monitoring modular with money and be connected with display module;
Remote communication module comprises gsm module, GPRS module and/or CDMA module;
Supplement module with money and comprise that contact card is supplemented module with money and/or the teleinstruction formula is supplemented module with money;
Display module comprises pilot lamp, LCDs, manually operate a switch button and closing by hand button.
In the above-mentioned prepayment meter, multifunction electric meter comprises pulse output interface and/or data line connecting interface; Described pre-payment controller comprises pulse input interface and/or data line connecting interface; Be connected by pulse between described multifunction electric meter and the pre-payment controller and/or data line connects.
The utility model is provided with remote communication module, utilizes cordless communication network (as GSM, CDMA etc.) to transmit data, has realized the remote copying of ammeter; Also be provided with and supplement module with money, support the teleinstruction formula to supplement (supplement with money etc.) with money, made things convenient for user's electricity payment as short message.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the position view of the utility model in network.
Embodiment
See also Fig. 1, the utility model prepayment meter comprises multifunction electric meter, pre-payment controller and low-voltage circuit breaker; Wherein,
Multifunction electric meter both was connected with the three-phase power circuit by current transformer, was connected with pre-payment controller again;
Pre-payment controller both was connected with multifunction electric meter, was connected with low-voltage circuit breaker again;
Low-voltage circuit breaker both was connected with pre-payment controller, was connected with subscriber switch by pilot relay again, and described subscriber switch is positioned on the three-phase power circuit.Described pre-payment controller transmits operate a switch signal or switching signal to low-voltage circuit breaker.
Described multifunction electric meter has pulse output interface and/or data line connecting interface; Described pre-payment controller comprises pulse input interface and/or data line connecting interface; Be connected by pulse between described multifunction electric meter and the pre-payment controller and/or data line (for example RS485 bus) connects.To described multifunction electric meter transfer overvoltage signal and current signal, the use information of electric power is measured, added up to multifunction electric meter to the three-phase power circuit in view of the above by current transformer.
Described pre-payment controller specifically comprises central control module, remote communication module again, supplements module with money, alarm module, chamber door monitoring modular and display module; Wherein,
Central control module and remote communication module, supplement module, alarm module, chamber door monitoring modular with money and be connected with display module.
Remote communication module comprises gsm module, GPRS module and/or CDMA module, can utilize corresponding cordless communication network transmission data, sending and receiving short message for example, and the receiving remote control information sends electric weight use information etc.; The communication object of remote communication module comprises electric administrative department, work about electric power personnel, user job personnel etc.
Supplement module with money and comprise that contact card is supplemented module with money and/or the teleinstruction formula is supplemented module with money, contact cassette is wherein supplemented module support contact with money and is sticked into capable electricity charge prepayment, supplements with money; The teleinstruction formula is supplemented the module support with money and is carried out electricity charge prepayment, supplements with money according to the data-signal (for example short message) that remote communication module received.
Alarm sound, warning light are sent in the alarm module support, also support to send warning message by remote communication module to power office, electrical management personnel, power consumer etc.; The entry condition of alarm module is controlled by central control module, can be the signal enabling according to the chamber door monitoring modular, also can be that the abnormal conditions (judged by central control module, for example remain the electricity charge when being lower than preset value) according to electricity usage start.
The door opening or closing state of the casing at chamber door monitoring module monitors watt-hour meter device place, and chamber door opened or shutdown signal passes to central control module; When central control module is judged the chamber door unnormal unlocking, can transmit signal sends alerting signal to alarm module on the one hand, also can transmit the signal of forcing to operate a switch on the other hand and give low-voltage circuit breaker, low-voltage circuit breaker is according to the subscriber switch on this signal force disconnect three-phase power circuit.
Display module comprises pilot lamp, LCDs, manually operate a switch button and closing by hand button.Pilot lamp can indicate that power supply has or not, "on" position is still operated a switch state, alarm condition etc.LCDs can show various electric quantity datas, for example a. current residual electric weight; B. date, time; C. Customs Assigned Number; D. pulse constant (meritorious pulse and idle pulse); E. mutual inductor multiplying power; F. report to the police and load; G. the load of operating a switch; H. the electric weight of reporting to the police; I. the electric weight of operating a switch; J. time of fire alarming; K. always purchase electric weight; L. always purchase electric number of times; M. meritorious total electric weight; N. idle total electric weight; O. meritorious overdraw electric weight; P. allow the overdraw electric weight; Q. when the meritorious peak load of preload r.; S. the meritorious peak load time; T. return-to-zero recording; U. rate and time; V. phase failure record; W. the on-load switch state shows; Deng.Owing to be provided with LCDs, the utility model is also supported to be copied and accepted by staff's scene.Manually operate a switch button to the low-voltage circuit breaker transmission signal of manually operating a switch, and low-voltage circuit breaker is according to the subscriber switch on this signal cut three-phase power circuit.The closing by hand button transmits the closing by hand signal to low-voltage circuit breaker, and low-voltage circuit breaker is according to close subscriber switch on the three-phase power circuit of this signal.
See also Fig. 2, the utility model prepayment meter is positioned at the bottom in power monitoring, metering network.This network is made up of main website server, management information system network, pre-payment controller, multifunction electric meter, managerial personnel's mobile phone and user mobile phone.The remote meter reading prepaid devices passes through GPRS, CDMA, SMS messaging teletransmission to the background monitoring center then by the data of RS485 bus electric energy meter that collection articulates.Simultaneously, terminal is accepted electric power competent authorities (main website server) by the GPRS communication network and is issued the presell electric quantity data, realize remote meter reading, pre paid functionality, and the on-the-spot unusual electricity consumption behavior that takes place of electricity consumption is sent the notification to backstage and responsible person concerned's mobile phone in time with way of short messages, realize initiatively reporting to the police.Power administration's business hall microcomputer can be purchased electricity in advance, and personnel are managed in charge can utilize mobile phone forward purchasing electricity, and can give power administration's business hall microcomputer data transmission automatically.
In a specific embodiment of the present utility model, pre-payment controller obtains corresponding electric degree information by the pulse output or the RS485 bus of multi-function watt-hour meter, calculates the electric weight of different rates, and remaining electric weight successively decreases.Pre-payment controller has three tunnel pulses, the input of one road RS485 interface, and maximum can be copied and accepted the electric energy meter of 3 pulse meters or 16 band RS485 interfaces simultaneously.When dump energy during less than the warning electric weight, control produces alerting signal.After dump energy was zero, electric weight counted the overdraw electric weight; When overdraw electric weight or dump energy equal to operate a switch electric weight, can produce the signal of operating a switch by manual or Long-distance Control; Supplement module with money by gsm module or IC-card terminal is supplemented with money, can restore electricity after electric weight is newly bought in input.When power load surpasses or during warning load value of setting of equaling to preset, the controller output alarm signal reminds the user to reduce to load; When operating a switch during the load value of setting that power load surpasses or equals to preset, the generation control signal of operating a switch.When the phase failure took place, the phase failure of controller record took place, stops constantly and the power consumption of the phase failure not.By the remote signalling means, this pre-payment controller can be monitored the open and close state of chamber door, when chamber door is opened in violation of rules and regulations, and monitored module induction, the order isolating switch is operated a switch by force.Conclude, the long-range prepayment meter of the utility model can be realized following function:
1. remote meter-reading function:
1. utilize mobile phone or computer realization timing meter reading, check meter at any time, report the fixed point meter reading data.
2. analyze the line loss per unit of input and output circuit, and whether the examination electric energy meter has good luck unusually.In time the discovery fault is in time got rid of, and reduces to greatest extent to hinder the loss that causes for some reason.Disadvantages such as when thoroughly having solved manual metering, inefficiency, manpower and materials consumption are big, electric weight examination hysteresis.
2. long-range pre paid functionality
1. long-range forward purchasing fulgurite reason function
Control permission or forbid that the user continues electricity consumption by on-load switch according to the mode that the prior agreement of user and sale of electricity administrative authority is good.Long-range forward purchasing fulgurite reason function, power administration's business hall microcomputer can be purchased electricity in advance, charge is managed personnel and can be utilized mobile phone forward purchasing electricity, and can give power administration's business hall microcomputer data transmission automatically.Writing electric weight can be the electric weight that adds up, and also can write the tired electric weight that subtracts when needing change if wrongly write.
2. the user is carried out long-rangely stopping sending electric work can work as the non-vanishing and device of dump energy when can not automatic closing sending electricity, available microcomputer or mobile phone remote close a floodgate.Use up when purchasing electric weight, when device can not automatic brake separating when promptly dump energy was zero, available microcomputer or mobile phone remote separating brake.When the operation exception fault takes place, can long-rangely carry out separating brake.
3. long-range normal and timesharing forward purchasing electric work energy
Can normally carry out long-range forward purchasing fulgurite reason, also can be according to the requirement of the time-sharing measurement of higher level department, according to spike, peak, separately purchase the fulgurite reason in advance with four periods of low ebb at ordinary times.
4. remote alarms function
According to the good warning electric weight of the prior agreement of user and sale of electricity administrative authority, notify the user to purchase electricity as early as possible once more in the sound and light alarm mode, also can announce the user by the mode that GSM sends short messages.When reaching, dump energy reports to the police when the warning electric weight is set numerical value.When dump energy reaches setting warning electric weight, send alerting signal for the first time, and quote dump energy numerical value, notify the user to prepare to purchase.Send alerting signal for the second time when dump energy reaches setting warning electric weight 50%, and quote dump energy numerical value, the prompting user purchases early.When dump energy reaches setting warning electric weight 20%, send alerting signal for the third time, and quote dump energy numerical value, urge the user promptly to purchase.When dump energy is zero, send cut-offing instruction and make breaker open operation, send power-off signal simultaneously, inform that relevant departments, personnel have a power failure.
3, other function
1. settlement function
System closed the unpaid electricity charge automatically when the user purchased electricity, and the remaining sum of paying dues is converted to electric weight by the good reservation electricity price of the prior agreement of both sides and charges into user's IC-card or give terminal with electric quantity data by the GPRS remote transmission.
2. the old electricity charge function of owing of recovery
Proportional deduction is old during according to the each sale of electricity of agreement for the repayment of money owes the electricity charge.
3. safety anti-fake function
The sale of electricity controller has relation one to one with IC-card, refuses the use of illegal IC-card.
4. memory function
When supply line had a power failure, dump energy and relevant information thereof possessed the power down hold function, and the calendar time operate as normal re-powers the state before duty keeps power down.Do not have under the electric situation, data can be preserved more than 10 years.
5. allow the overdraw function
The good overdraw electric weight of agreement can be set, the overdraw electric weight that automatic write-downs has been used after new electric weight input.
6. function is controlled and is provided with in segmentation
The function of operating a switch at festivals or holidays and night is set, after opening the function of forbidding operating a switch at festivals or holidays or night, when the demand charge arrearage is operated a switch, also can cut off the electricity supply, and be recorded as the overdraw electric weight, guarantee normally electricity consumption of user, after the set period, controller is operated a switch immediately.
7. controller self-checking function
Controller is monitored hardware and outside controlled plant at any time, then carries out record if note abnormalities, and when inserted IC card relevant information is write in the card, so that sale of electricity administrative authority manages.
8. phase failure writing function
Controller can write down the phase failure number of times of A, B, each phase of C, the starting and ending time of the phase failure cumulative time and the phase failure, the information such as meritorious total electric weight of the phase failure not, the output alarm signal during phase failure.
Claims (6)
1. a prepayment meter is characterized in that, comprises multifunction electric meter, pre-payment controller and low-voltage circuit breaker; Wherein,
Multifunction electric meter both was connected with the three-phase power circuit by current transformer, was connected with pre-payment controller again;
Pre-payment controller both was connected with multifunction electric meter, was connected with low-voltage circuit breaker again;
Low-voltage circuit breaker both was connected with pre-payment controller, was connected with subscriber switch by pilot relay again, and described subscriber switch is positioned on the three-phase power circuit.
2. prepayment meter according to claim 1 is characterized in that, described pre-payment controller specifically comprises central control module, remote communication module again, supplements module with money, alarm module, chamber door monitoring modular and display module; Wherein,
Central control module and remote communication module, supplement module, alarm module, chamber door monitoring modular with money and be connected with display module;
Remote communication module comprises gsm module, GPRS module and/or CDMA module;
Supplement module with money and comprise that contact card is supplemented module with money and/or the teleinstruction formula is supplemented module with money;
Display module comprises pilot lamp, LCDs, manually operate a switch button and closing by hand button.
3. prepayment meter according to claim 1 is characterized in that, described multifunction electric meter comprises pulse output interface and/or data line connecting interface; Described pre-payment controller comprises pulse input interface and/or data line connecting interface; Be connected by pulse between described multifunction electric meter and the pre-payment controller and/or data line connects.
4. prepayment meter according to claim 1, it is characterized in that, to described multifunction electric meter transfer overvoltage signal and current signal, described pre-payment controller transmits operate a switch signal or switching signal to low-voltage circuit breaker to the three-phase power circuit by current transformer.
5. prepayment meter according to claim 2 is characterized in that, described chamber door monitoring modular transmits the chamber door start signal to central control module, and central control module forces to operate a switch signal to the low-voltage circuit breaker transmission.
6. prepayment meter according to claim 2 is characterized in that, the described button of manually operating a switch is to the low-voltage circuit breaker transmission signal of manually operating a switch, and described closing by hand button transmits the closing by hand signal to low-voltage circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200738532U CN201435110Y (en) | 2009-04-29 | 2009-04-29 | Prepaid electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200738532U CN201435110Y (en) | 2009-04-29 | 2009-04-29 | Prepaid electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435110Y true CN201435110Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200738532U Expired - Fee Related CN201435110Y (en) | 2009-04-29 | 2009-04-29 | Prepaid electric energy meter |
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| CN (1) | CN201435110Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217620A (en) * | 2013-04-19 | 2013-07-24 | 国家电网公司 | Method for sorting relationships among transformers and electric energy meters |
| CN103489259A (en) * | 2013-08-16 | 2014-01-01 | 国家电网公司 | High-voltage user local cost control intelligent electric energy meter |
| CN104680657A (en) * | 2015-02-13 | 2015-06-03 | 北京纳衡仪器仪表有限公司 | System device for prepayment of special transformer user |
| CN105301303A (en) * | 2014-06-26 | 2016-02-03 | 英科德技术股份有限公司 | Energy measuring unit compatible with circuit breaker in distribution board |
| CN107238740A (en) * | 2017-06-29 | 2017-10-10 | 国网上海市电力公司 | A kind of Intelligent ammeter box |
| CN108597123A (en) * | 2018-05-16 | 2018-09-28 | 广东电网有限责任公司 | A kind of three-phase remote is multi-functional to take control electric energy meter device |
| CN110609160A (en) * | 2018-06-15 | 2019-12-24 | 云丁智能科技（北京）有限公司 | Intelligent ammeter control method and device |
-
2009
- 2009-04-29 CN CN2009200738532U patent/CN201435110Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217620A (en) * | 2013-04-19 | 2013-07-24 | 国家电网公司 | Method for sorting relationships among transformers and electric energy meters |
| CN103489259A (en) * | 2013-08-16 | 2014-01-01 | 国家电网公司 | High-voltage user local cost control intelligent electric energy meter |
| CN103489259B (en) * | 2013-08-16 | 2016-06-29 | 国家电网公司 | A kind of high-voltage user local cost control intelligent electric energy meter |
| CN105301303A (en) * | 2014-06-26 | 2016-02-03 | 英科德技术股份有限公司 | Energy measuring unit compatible with circuit breaker in distribution board |
| CN104680657A (en) * | 2015-02-13 | 2015-06-03 | 北京纳衡仪器仪表有限公司 | System device for prepayment of special transformer user |
| CN107238740A (en) * | 2017-06-29 | 2017-10-10 | 国网上海市电力公司 | A kind of Intelligent ammeter box |
| CN108597123A (en) * | 2018-05-16 | 2018-09-28 | 广东电网有限责任公司 | A kind of three-phase remote is multi-functional to take control electric energy meter device |
| CN110609160A (en) * | 2018-06-15 | 2019-12-24 | 云丁智能科技（北京）有限公司 | Intelligent ammeter control method and device |
| CN110609160B (en) * | 2018-06-15 | 2021-07-13 | 云丁智能科技（北京）有限公司 | Intelligent ammeter control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: KD INTELLIGENT + TECHNOLOGY CO., LTD Free format text: FORMER NAME: KDLN SCIENCE+TECHNOLOGY CO., LTD |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201203, Shanghai Zhangjiang hi tech park, Pudong New Area, No. 456 blue wave road, A204 Patentee after: Shanghai CSG Smart Sci&Tech.co.,Ltd. Address before: 201203, Shanghai Zhangjiang hi tech park, Pudong New Area, No. 456 blue wave road, A204 Patentee before: Shanghai Keda Luneng Integrated Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20160429 |