CN110726873A - Intelligent electric quantity metering system - Google Patents

Intelligent electric quantity metering system Download PDF

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Publication number
CN110726873A
CN110726873A CN201911036372.9A CN201911036372A CN110726873A CN 110726873 A CN110726873 A CN 110726873A CN 201911036372 A CN201911036372 A CN 201911036372A CN 110726873 A CN110726873 A CN 110726873A
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CN
China
Prior art keywords
module
power supply
electric quantity
commercial power
quantity metering
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.)
Pending
Application number
CN201911036372.9A
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Chinese (zh)
Inventor
吕兵
吕阳
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Chengdu Lester Technology Co Ltd
Original Assignee
Chengdu Lester Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Lester Technology Co Ltd filed Critical Chengdu Lester Technology Co Ltd
Priority to CN201911036372.9A priority Critical patent/CN110726873A/en
Publication of CN110726873A publication Critical patent/CN110726873A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/10Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/063Details of electronic electricity meters related to remote communication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/068Arrangements for indicating or signaling faults

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses an intelligent electric quantity metering system, which comprises a mains supply detection module, a power supply control module and a power supply control module, wherein the mains supply detection module is used for detecting whether mains supply is abnormal or not; the electric quantity metering module is used for metering the electricity consumption; the communication module is used for sending information; the lithium battery power supply module is used for supplying power to the equipment when the power is off; commercial power warning signal that commercial power detection module detected that commercial power supply abnormal back and generated passes through communication module and sends for backstage management system or detect commercial power supply normal back start electric quantity metering module work, and electric quantity metering module carries out the electric quantity measurement to commercial power supply and sends data for backstage management system through communication module, communication module includes the GPRS module, and lithium battery power supply module can make warning signal accessible GPRS module to backstage management system for equipment power supply when the outage. According to the invention, through the arrangement of the GPRS module and the lithium battery power supply module, fault information can be sent to the background management system under the condition of abnormal power failure, and timely reporting and timely maintenance are realized.

Description

Intelligent electric quantity metering system
Technical Field
The invention relates to the field of electric quantity metering, in particular to an intelligent electric quantity metering system.
Background
The electric quantity metering refers to the electric quantity metering of power supply equipment or electric equipment through a voltage sensor or a current sensor. At present, the electric quantity metering device includes traditional ammeter and novel intelligent metering terminal, traditional ammeter is because of unable realization long-range checking meter, and unusual warning etc. has been eliminated gradually, the substitute is novel intelligent metering terminal, novel intelligent metering terminal measures the electric quantity through the measurement chip and reaches backstage management system through the data transmission that communication module will measure, realize long-range data transmission, but prior art's intelligent metering terminal's power supply is through the power that is provided by metering device, in case take place the outage condition, intelligent metering terminal is unable work, and cause data loss easily. In addition, the metering chip in the prior art adopts remainder zero clearing, and a long-term metering mode can cause data errors.
Disclosure of Invention
The invention aims to provide an intelligent electric quantity metering terminal which is high in data measurement accuracy and capable of sending abnormal signals and storing data under the condition of power failure.
In order to achieve the purpose, the invention adopts the following technical scheme:
electric quantity intelligent metering system includes: the commercial power detection module is used for detecting whether commercial power supply is abnormal and generating a commercial power alarm signal; the electric quantity metering module is used for metering the electricity consumption; the communication module is used for sending the measured electric quantity data and sending an alarm signal when the electric quantity data is abnormal; the lithium battery power supply module is used for supplying power to the equipment when the power is off;
the utility model discloses a power supply monitoring system, including commercial power detection module, power supply detection module, communication module, electric quantity metering module, communication module, lithium battery power supply module, wherein, commercial power alarm signal that commercial power detection module detected to generate after the commercial power supply is unusual sends for backstage management system or detects commercial power supply normal back start-up electric quantity metering module and measures commercial power supply volume, and electric quantity metering module carries out the electric quantity metering to commercial power supply and sends the data of measurement for backstage management system through communication module, communication module includes the GPRS module, and lithium battery power supply module can make alarm signal accessible GPRS module to backstage management system for equipment.
Furthermore, the input end of the electric quantity metering module is connected with an oil engine power supply module and an oil engine power supply detection module, the oil engine power supply module adopts an oil engine to realize power supply, and the oil engine power supply detection module is used for detecting whether the oil engine is abnormal in power supply and generating an oil engine alarm signal.
Further, the algorithm in the electric quantity metering module is used for saving the remainder and overlapping the remainder in the next metering.
Further, the communication module also comprises an RS485 module.
Further, the oil engine power supply module further comprises a controller for controlling the oil engine to be turned on or turned off, and the controller is connected with the GPRS module.
The invention has the following beneficial effects:
(1) by arranging the GPRS module and the lithium battery power supply module, fault information can be sent to the background management system under the condition of abnormal power failure, timely reporting and timely maintenance are achieved, the GPRS module is also connected with the oil engine controller, the oil engine is remotely controlled to work, and the oil engine can be started to restore power supply in time;
(2) by setting a software algorithm in the electric quantity metering module, the accuracy of electric quantity metering is improved, and the electric quantity metering error is reduced;
(3) the communication module adopts GPRS/RS485 double-channel communication, thereby ensuring an emergency response mechanism with perfect emergency situation of the equipment on site, sending alarm and distress information in all directions, ensuring that site faults can be solved in time, realizing the quick reply of the base station network and ensuring the safety of the communication network.
Detailed Description
Examples
The electric quantity metering system provided by the embodiment comprises a commercial power detection module, an oil engine power supply detection module, an electric quantity metering module, an abnormal information alarm module, a communication module and a lithium battery power supply module.
It should be noted that, the general power supply includes the power consumption of the commercial power and the power supply of the oil engine started in the power failure, the commercial power detection power supply module leaves the commercial power detection port, the output end of the oil engine also has the oil engine detection port, the detection module is installed on the detection port, so that the detection of the commercial power and the power supply of the oil engine can be realized, the general detection adopts the current sensor to detect, and whether the detection port has the current or not can know that the power supply is normal.
The commercial power detection module is connected with the commercial power detection port and used for detecting whether commercial power is supplied, if the commercial power is supplied, the commercial power supply amount is measured through the electric quantity metering module, and the measured power supply amount is sent to the background management system through the communication module, wherein the background management system is a background management system in the prior art and can accept data such as the power supply amount and realize the data; if the mains supply is detected not to be powered, the mains supply warning information is sent to the background management system through the communication module, the background management system receives the mains supply warning information and notifies workers, sound and light alarm in the background management system or short message alarm of a mobile phone connected with the background management system can be adopted for notification, and the mode that the workers can be notified in the prior art is adopted for the warning, and the warning is not limited to any mode.
The oil engine detection module is connected with a detection port of the oil engine and used for detecting whether the oil engine works or not, if the oil engine is detected to be powered, the power supply amount of the oil engine is measured through the power metering module, the measured power supply amount is sent to the background management system through the communication module, and if the oil engine is not powered, the commercial power warning information is sent to the background management system through the communication module.
The electric quantity metering module adopts a metering chip in the prior art to meter the electric quantity, but a metering program in the metering module is changed, the metering program stores a remainder received by the operation in the prior art and accumulates the remainder into the next operation to provide the metering precision of the electric quantity, for example, 100/3 is 33, the remainder is 1, the remainder is rounded in the prior art, if the measured data is less, the influence is not too large, but the metering of the electric quantity is long-lasting, and the data quantity is larger, so the metering precision is low finally, the embodiment adopts the remainder to store and accumulate into the next operation, namely, the next operation (100+1)/3 is 33, the remainder is 2, and so on, the zero error in the operation process is ensured, and the high metering precision is ensured.
The utility model discloses a warning system, including communication module, RS485 module, commercial power or oil machine, line normal work, the wired data transmission is realized to accessible RS485 module, if both can not supply power, then through the long-range wireless data transmission of GPRS module, send unusual information to backstage management system, accomplish in time with trouble report and in time maintain. Because the GPRS module needs to work under the condition that neither the commercial power nor the oil engine can supply power, other power supplies need to be provided, the embodiment specifically uses a lithium battery for supplying power, and the lithium battery uses a rechargeable lithium battery, for those skilled in the art, the rechargeable lithium battery needs to be connected with a charging circuit and a power management circuit to realize the power supply function and the charging function for one device, and both the two circuits are mature circuits in the prior art, and the difference is that the voltage values of outputs related to the needs are different to realize providing working voltages for different chips, so that the embodiment is not described herein in too much detail.
Under the condition of abnormal power failure, the equipment is powered by the lithium battery, normal power supply can be realized, and fault information can be reported to the background management system through the GPRS module at the first time, so that workers can know the problems at the first time and solve the problems in time, power supply and other network application performances are recovered, and timeliness and safety are improved.
Meanwhile, the data of the electric quantity metering module is periodic, for example, the sampling period is 5 min/time or 30 s/time, and the data can be specifically set according to a specific working environment, but once the power failure occurs, a power supply terminal of the equipment is caused, the equipment stops working, and the accuracy of the electric quantity metering module is influenced.
The GPRS module not only can realize uploading data but also can realize backstage management system's down instruction, if be provided with the controller that steerable it opened or closed on the oil machine, the controller is connected with the GPRS module, when mains supply is unusual, the GPRS module sends commercial power alarm signal to backstage management system, backstage management system can send the instruction of opening oil machine work, the instruction of opening oil machine work is received to the GPRS module and is transmitted to the controller, the work is opened to controller control oil machine, can in time make the power supply normal, commercial power remote control oil machine power supply, and normally make when detecting commercial power supply, remote shutdown oil machine work, can control remote control oil machine work when having a power failure temporarily.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.

Claims (5)

1. Electric quantity intelligent metering system, its characterized in that includes: the commercial power detection module is used for detecting whether commercial power supply is abnormal and generating a commercial power alarm signal; the electric quantity metering module is used for metering the electricity consumption; the communication module is used for sending the measured electric quantity data and sending an alarm signal when the electric quantity data is abnormal; the lithium battery power supply module is used for supplying power to the equipment when the power is off;
the utility model discloses a power supply monitoring system, including commercial power detection module, power supply detection module, communication module, electric quantity metering module, communication module, lithium battery power supply module, wherein, commercial power alarm signal that commercial power detection module detected to generate after the commercial power supply is unusual sends for backstage management system or detects commercial power supply normal back start-up electric quantity metering module and measures commercial power supply volume, and electric quantity metering module carries out the electric quantity metering to commercial power supply and sends the data of measurement for backstage management system through communication module, communication module includes the GPRS module, and lithium battery power supply module can make alarm signal accessible GPRS module to backstage management system for equipment.
2. The intelligent electric quantity metering system as claimed in claim 1, wherein: the input end of the electric quantity metering module is connected with an oil engine power supply module and an oil engine power supply detection module, the oil engine power supply module adopts an oil engine to realize power supply, and the oil engine power supply detection module is used for detecting whether the oil engine is abnormal in power supply and generating an oil engine alarm signal.
3. The intelligent electric quantity metering system as claimed in claim 1, wherein: and the algorithm in the electric quantity metering module is used for saving the remainder and overlapping the remainder in the next metering.
4. The intelligent electric quantity metering system as claimed in claim 1, wherein: the communication module further comprises an RS485 module.
5. The intelligent electric quantity metering system as claimed in claim 2, wherein: the oil engine power supply module further comprises a controller for controlling the oil engine to be turned on or turned off, and the controller is connected with the GPRS module.
CN201911036372.9A 2019-10-29 2019-10-29 Intelligent electric quantity metering system Pending CN110726873A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911036372.9A CN110726873A (en) 2019-10-29 2019-10-29 Intelligent electric quantity metering system

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Application Number Priority Date Filing Date Title
CN201911036372.9A CN110726873A (en) 2019-10-29 2019-10-29 Intelligent electric quantity metering system

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CN110726873A true CN110726873A (en) 2020-01-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115550083A (en) * 2022-10-12 2022-12-30 云南电网有限责任公司楚雄供电局 Continuous power supply device for metering monitoring terminal

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101425219A (en) * 2007-10-29 2009-05-06 吉林市曼博科技有限公司 Intelligent telemetering electric meter based on wireless sensor network
CN201352235Y (en) * 2009-05-18 2009-11-25 深圳市森晖电子有限公司 Three-phase multifunctional electric energy meter
CN102200544A (en) * 2010-12-31 2011-09-28 中国电力科学研究院 Method for accumulating aggregate capacitances of smart meter capable of realizing bidirectional metering
CN103852634A (en) * 2012-12-06 2014-06-11 苏州工业园区新宏博通讯科技有限公司 Electric supply oil engine electric energy meter
CN206450732U (en) * 2016-12-16 2017-08-29 深圳东方泰和科技有限公司 A kind of intelligent electric meter and intelligent low-pressure distribution box
CN107748288A (en) * 2017-09-28 2018-03-02 国网重庆市电力公司电力科学研究院 Radio energy table based on radio communication
CN207730815U (en) * 2018-01-18 2018-08-14 沈阳工程学院 A kind of intelligent electric meter device with electricity metering function
CN108988481A (en) * 2018-07-06 2018-12-11 中国联合网络通信集团有限公司 A kind of managing device of power supply
CN208780753U (en) * 2018-09-12 2019-04-23 成都昊普环保技术有限公司 Intelligent electric meter for base station electricity consumption differentiation and electric energy management system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101425219A (en) * 2007-10-29 2009-05-06 吉林市曼博科技有限公司 Intelligent telemetering electric meter based on wireless sensor network
CN201352235Y (en) * 2009-05-18 2009-11-25 深圳市森晖电子有限公司 Three-phase multifunctional electric energy meter
CN102200544A (en) * 2010-12-31 2011-09-28 中国电力科学研究院 Method for accumulating aggregate capacitances of smart meter capable of realizing bidirectional metering
CN103852634A (en) * 2012-12-06 2014-06-11 苏州工业园区新宏博通讯科技有限公司 Electric supply oil engine electric energy meter
CN206450732U (en) * 2016-12-16 2017-08-29 深圳东方泰和科技有限公司 A kind of intelligent electric meter and intelligent low-pressure distribution box
CN107748288A (en) * 2017-09-28 2018-03-02 国网重庆市电力公司电力科学研究院 Radio energy table based on radio communication
CN207730815U (en) * 2018-01-18 2018-08-14 沈阳工程学院 A kind of intelligent electric meter device with electricity metering function
CN108988481A (en) * 2018-07-06 2018-12-11 中国联合网络通信集团有限公司 A kind of managing device of power supply
CN208780753U (en) * 2018-09-12 2019-04-23 成都昊普环保技术有限公司 Intelligent electric meter for base station electricity consumption differentiation and electric energy management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115550083A (en) * 2022-10-12 2022-12-30 云南电网有限责任公司楚雄供电局 Continuous power supply device for metering monitoring terminal

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Application publication date: 20200124

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