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
- Authority
- CN
- China
- Prior art keywords
- module
- prepaid
- circuit breaker
- controller
- voltage circuit
- 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
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 29
- 230000006870 function Effects 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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 an electric power measuring device especially relates to a prepayment electric energy meter.
Background
Prepaid electricity meters have become increasingly popular, including both contact card and contactless.
The contact card type electric meter has various modes such as a magnetic card, an electric card and a CPU card, and is mainly characterized in that various cards are combined with a card inserting machine to mutually transmit information to complete information exchange. The contact card type electric meter is mostly used in a civil single-phase circuit system and is convenient for card insertion operation. However, for a three-phase power supply with a large usage amount, the electric meter is installed in a sealed metering cabinet and a sealed power distribution cabinet, and the metering cabinet and the power distribution cabinet can also be installed near a high-voltage power source or at a high position of a telegraph pole, so that the contact type card meter has difficulties in operation, safety and electricity charge management.
Most of non-contact card-type electric meters adopt transmission means such as infrared signals to transmit electric meter information, remote reading can be achieved, and the transmission distance and the transmission reliability are greatly limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a prepayment electric energy meter is provided.
In order to solve the technical problem, the utility model discloses a prepayment electric energy meter includes multifunctional electric meter, prepayment controller and low-voltage circuit breaker; wherein,
the multifunctional ammeter is connected with the three-phase power circuit through the current transformer and is also connected with the prepayment controller;
the prepayment controller is connected with the multifunctional ammeter and the low-voltage circuit breaker;
the low-voltage circuit breaker is connected with the prepayment controller and is also connected with a user switch through a control relay, and the user switch is positioned on the three-phase power circuit.
In the prepayment electric energy meter, the prepayment controller comprises a central control module, a remote communication module, a recharging module, an alarm module, a box door monitoring module and a display module; wherein,
the central control module is connected with the remote communication module, the recharging module, the sound-light alarm module, the box door monitoring module and the display module;
the remote communication module comprises a GSM module, a GPRS module and/or a CDMA module;
the recharging module comprises a contact type card recharging module and/or a remote instruction type recharging module;
the display module comprises an indicator light, a liquid crystal display screen, a manual switching-off button and a manual switching-on button.
In the prepayment electric energy meter, the multifunctional electric energy meter comprises a pulse output interface and/or a data line connecting interface; the prepayment controller comprises a pulse input interface and/or a data line connecting interface; the multifunctional electric meter is connected with the prepayment controller through a pulse connection and/or a data line.
The utility model is provided with the remote communication module, and utilizes the wireless communication network (such as GSM, CDMA, etc.) to transmit data, thereby realizing the remote reading of the ammeter; and a recharging module is also arranged to support remote instruction type recharging (such as short message recharging) and facilitate the user to pay the electric charge.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the location of the present invention in a network.
Detailed Description
Referring to fig. 1, the utility model discloses a prepaid electric energy meter includes a multifunctional electric meter, a prepaid controller and a low-voltage circuit breaker; wherein,
the multifunctional ammeter is connected with the three-phase power circuit through the current transformer and is also connected with the prepayment controller;
the prepayment controller is connected with the multifunctional ammeter and the low-voltage circuit breaker;
the low-voltage circuit breaker is connected with the prepayment controller and is also connected with a user switch through a control relay, and the user switch is positioned on the three-phase power circuit. The prepayment controller transmits a switching-out signal or a switching-in signal to the low-voltage circuit breaker.
The multifunctional electric meter is provided with a pulse output interface and/or a data line connecting interface; the prepayment controller comprises a pulse input interface and/or a data line connecting interface; the multifunctional electricity meter and the prepayment controller are connected through a pulse connection and/or a data line (such as an RS485 bus). And the three-phase power line transmits a voltage signal and a current signal to the multifunctional electric meter through the current transformer, and the multifunctional electric meter measures and counts the use information of the electric power according to the voltage signal and the current signal.
The prepayment controller specifically comprises a central control module, a remote communication module, a recharging module, an alarm module, a box door monitoring module and a display module; wherein,
the central control module is connected with the remote communication module, the recharging module, the alarming module, the box door monitoring module and the display module.
The remote communication module comprises a GSM module, a GPRS module and/or a CDMA module, and can transmit data by utilizing a corresponding wireless communication network, such as short message sending, remote control information receiving, electric quantity use information sending and the like; the communication objects of the remote communication module include a power management department, power workers, user workers, and the like.
The recharging module comprises a contact card recharging module and/or a remote instruction recharging module, wherein the contact card recharging module supports the contact card to prepay and recharge the electric charge; the remote instruction type recharging module supports prepayment and recharging of electric charges according to data signals (such as short messages) received by the remote communication module.
The alarm module supports the emission of alarm sound and alarm brightness and also supports the transmission of alarm messages to a power office, power management personnel, power users and the like through the remote communication module; the starting condition of the alarm module is controlled by the central control module, and the alarm module can be started according to the signal of the box door monitoring module, or can be started according to the abnormal condition of the power use (judged by the central control module, for example, when the residual electric charge is lower than the preset value).
The box door monitoring module monitors the opening and closing state of a box door of a box body in which the ammeter device is positioned, and transmits a box door opening or closing signal to the central control module; when the central control module judges that the box door is abnormally opened, on one hand, the central control module can transmit a signal to the alarm module to send an alarm signal, and on the other hand, the central control module can also transmit a forced switching-off signal to the low-voltage circuit breaker, and the low-voltage circuit breaker forcibly cuts off a user switch on a three-phase power line according to the signal.
The display module comprises an indicator light, a liquid crystal display screen, a manual switching-off button and a manual switching-on button. The indicator light can indicate whether the power supply is available or not, whether the power supply is in a closing state or in an opening state, whether the power supply is in an alarming state or not and the like. The liquid crystal display screen can display various electric quantity data, such as a current residual electric quantity; b. date, time; c. a user number; d. pulse constants (active and reactive pulses); e. multiplying power of the mutual inductor; f. alarming load; g. switching off load; h. alarming electric quantity; i. the electric quantity of the brake is pulled out; j. alarm time; k. total electricity purchasing quantity; l, total electricity purchasing times; m. the active total electric quantity; n. reactive total electric quantity; o. successfully overdrawing the electricity; allowing an overdraw capacity; q. current load r. active maximum load; s. active maximum load time; t. recording to zero; u. rate and time; v. recording of phase failure; w, load switch state display; and the like. Owing to set up liquid crystal display, the utility model discloses also support to copy by staff's scene. The manual switching-off button transmits a manual switching-off signal to the low-voltage circuit breaker, and the low-voltage circuit breaker cuts off a user switch on the three-phase power line according to the signal. The manual closing button transmits a manual closing signal to the low-voltage circuit breaker, and the low-voltage circuit breaker closes a user switch on the three-phase power line according to the signal.
Referring to fig. 2, the prepaid electric energy meter of the present invention is located at the bottom layer in the electric power monitoring and metering network. The network consists of a main station server, a management information system network, a prepayment controller, a multifunctional ammeter, a manager mobile phone and a user mobile phone. The remote meter reading prepayment device collects the data of the hooked electric energy meter through an RS485 bus and then remotely transmits the data to the background monitoring center through GPRS, CDMA and SMS short messages. Meanwhile, the terminal receives the pre-selling electric quantity data sent by an electric power administrative department (a master station server) through a GPRS communication network, the remote meter reading and pre-payment functions are realized, abnormal electric consumption behaviors occurring in an electric consumption field are timely sent to a mobile phone of a background and related responsible persons in a short message mode, and active alarm is realized. The microcomputer of the electric office business hall can pre-purchase electricity, and the charge manager can pre-purchase electricity by using the mobile phone and can automatically transmit data to the microcomputer of the electric office business hall.
In a specific embodiment of the utility model, the prepayment controller obtains corresponding kilowatt-hour information through the pulse output or the RS485 bus of multi-functional kilowatt-hour meter, calculates the electric quantity of different rates, degressive remaining electric quantity. The prepayment controller has three pulses and one RS485 interface input, and can simultaneously copy 3 pulse meters or 16 electric energy meters with RS485 interfaces to the maximum extent. And when the residual electric quantity is less than the alarm electric quantity, controlling to generate an alarm signal. When the residual electric quantity is zero, the electric quantity is counted into overdraft electric quantity; when the overdraw electric quantity or the residual electric quantity is equal to the switching-off electric quantity, a switching-off signal can be generated through manual or remote control; the terminal is recharged through the GSM module or the IC card recharging module, and power supply can be recovered after newly purchased electric quantity is input. When the power load exceeds or equals to a preset alarm load set value, the controller outputs an alarm signal to remind a user of reducing the load; when the electric load exceeds or equals to a preset switching-off load set value, a switching-off control signal is generated. When phase failure occurs, the controller records the occurrence of phase failure, the termination time and the amount of power used without phase failure. Through the remote signaling means, this prepayment controller can monitor the on, off state of chamber door, and when the chamber door was opened in violation of rules and regulations, monitored module response ordered the circuit breaker and pulled brake by force. Concluding up and saying, the utility model discloses long-range prepayment electric energy meter can realize following function:
1. remote meter reading function:
firstly, a mobile phone or a computer is used for realizing timing meter reading and meter reading at any time, and fixed-point meter reading data is reported.
Secondly, analyzing the line loss rate of the input and output line and checking whether the electric energy meter is abnormal in word running. And faults are found in time and removed in time, so that loss caused by the faults is reduced to the maximum extent. The defects of low working efficiency, large consumption of manpower and material resources, lagging electric quantity examination and the like during manual meter reading are thoroughly solved.
2. Remote prepayment function
Remote pre-electricity-purchasing management function
And allowing or forbidding the user to continue using the electricity through the load switch control according to a mode that the user and the electricity selling management department agree well in advance. The remote pre-purchasing management function is that the microcomputer in the business office can pre-purchase electricity, the charge manager can pre-purchase electricity by using the mobile phone, and the data can be automatically transmitted to the microcomputer in the business office. The written electric quantity can be accumulated electric quantity, and the accumulated electric quantity can be written in if the written error needs to be changed.
Secondly, the remote power cut-off and power transmission function is carried out on the user, when the residual electric quantity is not zero and the device cannot be automatically switched on and power transmitted, the device can be remotely switched on by a microcomputer or a mobile phone. When the electricity purchasing quantity is used up, namely the residual electricity quantity is zero and the device can not automatically open the brake, the brake can be remotely opened by a microcomputer or a mobile phone. When abnormal operation faults occur, opening can be conducted remotely.
Long-distance normal and time-sharing pre-purchasing electric function
The remote pre-purchasing power management can be normally carried out, and the pre-purchasing power management can be separately carried out according to four time intervals of peak, ordinary time and low ebb according to the requirement of time-sharing measurement of a superior department.
Fourthly, remote alarm function
According to the alarm electric quantity agreed by the user and the electricity-selling management department in advance, the user is informed of buying electricity again as soon as possible in a sound-light alarm mode, and the user can also be informed in a GSM short message sending mode. And alarming when the residual electric quantity reaches the alarm electric quantity set value. When the residual electric quantity reaches the set alarm electric quantity, a first alarm signal is sent out, the residual electric quantity value is reported, and a user is informed to prepare for purchasing electricity. And when the residual electric quantity reaches 50% of the set alarm electric quantity, sending a second alarm signal, reporting a residual electric quantity value, and prompting a user to purchase electricity as soon as possible. And when the residual electric quantity reaches the set alarm electric quantity of 20%, sending a third alarm signal, reporting a residual electric quantity value, and prompting a user to purchase electricity by grasping. And when the residual electric quantity is zero, a power-off instruction is sent to open the breaker, and a power-off signal is sent to inform relevant departments and personnel of power failure.
3. Other functions
Clearing function
When the user purchases electricity, the system automatically settles the unpaid electricity fee, and the payment balance is converted into electric quantity according to the pre-agreed reservation electricity price of the two parties and charged into the user IC card or the electric quantity data is remotely transmitted to the terminal through GPRS.
② overtaking charge function due to lack of electricity
And deducting the electricity charge according to the proportion when selling electricity according to the repayment agreement.
Thirdly, safety anti-counterfeiting function
The electricity selling controller has one-to-one correspondence relationship with the IC card, and the illegal IC card is refused to be used.
Fourthly, memory function
When the power supply line has power failure, the residual electric quantity and the related information have the power failure storage function, the calendar time works normally, and the power-on working state is maintained in the state before the power failure. Under the condition of no electricity, the data can be stored for more than 10 years.
Fifthly, the function of overdraft is allowed
The overdraft electric quantity with good agreement can be set, and the used overdraft electric quantity is automatically reduced after the new electric quantity is input.
Sectional control and setting function
The method has the advantages that the holiday and night switching-off functions are set, when the user is subjected to electric charge arrearage switching-off after the holiday or night switching-off function is forbidden, the power supply is not cut off, overdraft electric quantity is recorded, the user can be guaranteed to normally use the electricity, and the controller immediately switches off after the set time period.
Seventhly, the controller has a self-checking function
The controller monitors hardware and external controlled equipment at any time, records if abnormality is found, and writes related information into the card when the IC card is inserted so as to be managed by an electricity selling management department.
' open-phase recording function
The controller can record A, B, C the times of phase failure, accumulated time of phase failure, the start and end time of phase failure, the total power of the power supply, etc. and output alarm signal.
Claims (6)
1. A prepayment electric energy meter is characterized by comprising a multifunctional electric meter, a prepayment controller and a low-voltage circuit breaker; wherein,
the multifunctional ammeter is connected with the three-phase power circuit through the current transformer and is also connected with the prepayment controller;
the prepayment controller is connected with the multifunctional ammeter and the low-voltage circuit breaker;
the low-voltage circuit breaker is connected with the prepayment controller and is also connected with a user switch through a control relay, and the user switch is positioned on the three-phase power circuit.
2. The prepaid electric energy meter according to claim 1, wherein the prepaid controller further comprises a central control module, a remote communication module, a recharge module, an alarm module, a box door monitoring module and a display module; wherein,
the central control module is connected with the remote communication module, the recharging module, the alarming module, the box door monitoring module and the display module;
the remote communication module comprises a GSM module, a GPRS module and/or a CDMA module;
the recharging module comprises a contact type card recharging module and/or a remote instruction type recharging module;
the display module comprises an indicator light, a liquid crystal display screen, a manual switching-off button and a manual switching-on button.
3. The prepaid electric energy meter according to claim 1, wherein the multifunctional electric meter comprises a pulse output interface, and/or a data line connection interface; the prepayment controller comprises a pulse input interface and/or a data line connecting interface; the multifunctional electric meter is connected with the prepayment controller through a pulse connection and/or a data line.
4. The prepaid electric energy meter according to claim 1, wherein the three-phase electric power line transmits voltage signals and current signals to the multifunctional electric meter through a current transformer, and the prepaid controller transmits a switch-off signal or a switch-on signal to the low-voltage circuit breaker.
5. The prepaid electric energy meter according to claim 2, wherein the box door monitoring module transmits a box door opening signal to the central control module, and the central control module transmits a forced switching signal to the low voltage circuit breaker.
6. The prepaid electric energy meter according to claim 2, wherein the manual switch-off button transmits a manual switch-off signal to the low-voltage circuit breaker, and the manual switch-on button transmits a manual switch-on signal to the 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 |
Family
ID=42053923
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 |
Country Status (1)
| Country | Link |
|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201435110Y (en) | Prepaid electric energy meter | |
| CN205318534U (en) | Gas table of mutual transmission of IC -card, NFC and bluetooth | |
| CN201796423U (en) | Single-phase remote cost-control smart electricity meter | |
| CN201796424U (en) | Single-phase local charge control smart meter | |
| CN101393667B (en) | Pre-payment management device for intelligent IC card | |
| CN104377785B (en) | A kind of electric motorcar charging station and application method | |
| CN205318535U (en) | Wireless teletransmission IC -card gas table | |
| CN108961573A (en) | A kind of self-service blue-tooth intelligence charging system and charging method based on wechat | |
| CN205318536U (en) | Intelligent gas meter that purchase gas mode more | |
| CN104199470A (en) | Energy flow supply control method, controller and control system | |
| CN110001450A (en) | A kind of electric car and electric bicycle mixing alternating-current charging pile | |
| CN102708624B (en) | Prepayment electricity utilization management terminal | |
| CN204794372U (en) | Long -range charge control system of circuit breaker on post | |
| CN101398954B (en) | Three phase pre-payment electric energy metered system and electric energy control device | |
| CN201508485U (en) | Prepay electric energy metering control device | |
| CN106056772A (en) | Electricity charge prepayment system and method | |
| CN101414399B (en) | Single-phase pre-payment electric energy control device and electric energy metering system | |
| CN206505493U (en) | A kind of electric energy meter with GPRS functions | |
| CN209401111U (en) | A kind of intelligent building power-supply management system | |
| CN201345131Y (en) | GPRS remote high-voltage prepayment device | |
| CN203311517U (en) | IC card prepayment watt hour meter | |
| CN101026660A (en) | Mobile phone prepaid fee power management terminal | |
| CN201904653U (en) | Service terminal equipment in electricity utilization fields | |
| CN209460873U (en) | A kind of electric power prepaid control device | |
| CN103166312A (en) | Low voltage long distance intelligent residential district motive power prepayment device |
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 |