CN202120360U - Single-phase local cost control intelligent electric energy meter - Google Patents

Single-phase local cost control intelligent electric energy meter Download PDF

Info

Publication number
CN202120360U
CN202120360U CN2011202018872U CN201120201887U CN202120360U CN 202120360 U CN202120360 U CN 202120360U CN 2011202018872 U CN2011202018872 U CN 2011202018872U CN 201120201887 U CN201120201887 U CN 201120201887U CN 202120360 U CN202120360 U CN 202120360U
Authority
CN
China
Prior art keywords
unit
voltage
electric energy
module
energy meter
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 - Lifetime
Application number
CN2011202018872U
Other languages
Chinese (zh)
Inventor
姜干才
张喜春
刘峥嵘
郭援越
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU SUNRISE TECHNOLOGY Co Ltd
Original Assignee
HANGZHOU SUNRISE 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 HANGZHOU SUNRISE TECHNOLOGY Co Ltd filed Critical HANGZHOU SUNRISE TECHNOLOGY Co Ltd
Priority to CN2011202018872U priority Critical patent/CN202120360U/en
Application granted granted Critical
Publication of CN202120360U publication Critical patent/CN202120360U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

A single-phase local cost control intelligent electric energy meter comprises a current sampling circuit and a voltage sampling circuit. Current signals and voltage signals are input in a metering chip, and a sampling module, a hardware multiplying unit and a pulse output module are arranged in the metering chip. Voltage value, current value and reverse electric quantity obtained by the metering chip are input to a microcontrol unit capable of converting pulse output by the metering chip into the electric energy through a serial peripheral interface (SPI). The input end of the microcontrol unit is connected with a communication module, a display module, a storage module and a control module respectively. The control module comprises an integrated circuit (IC) card unit and a tripping blackout unit. The output end of the IC card unit is connected with the input end of the microcontrol unit, and the input end of the tripping blackout unit is connected with the output end of the microcontrol unit. The electric energy meter further comprises a main power supply, an auxiliary power supply and a clock circuit. The electric energy meter has the advantage of being capable of adapting to standards of intelligent electric energy meter series of the state grid corporation of China, high in safety and low in cost.

Description

The control intelligent electric energy meter is taken in single-phase this locality
Technical field
The utility model relates to a kind of single-phase local expense control intelligent electric energy meter.
Technical background
In recent years, the construction of " strong intelligent grid " was actively carried out by State Grid Corporation of China, and intelligent electric meter is as the nucleus equipment of intelligent grid, and the growth that will dispose along with intelligent grid appears and increases the impetus rapidly.
09 year; State Grid Corporation of China is on the basis of " measure, check meter and expenses standard construction research " project achievement; General requirement according to unified strong intelligent grid construction; Produce, manage, manage the basic demand to electric energy meter in conjunction with domestic and international metering, communication technology present situation and system of company, State Grid Corporation of China's tissue has been worked out the intelligent electric energy meter series standard.
The utility model content
For adapting to the intelligent electric energy meter series standard of State Grid Corporation of China, it is a kind of safe that the utility model provides, and the control intelligent electric energy meter is taken in single-phase this locality with low cost.
The control intelligent electric energy meter is taken in single-phase this locality; Comprise the current sampling circuit of gathering current signal and the voltage sampling circuit of gathering voltage signal; Described current signal and voltage signal input computation chip; Be provided with in the described computation chip current signal and voltage signal are carried out that the AD sampling obtains the sampling module of current value and magnitude of voltage and magnitude of voltage and current value multiplied each other obtaining the hardware multiplier of performance number, and the pulse output module that performance number is exported with the form of pulse;
The magnitude of voltage that described computation chip obtains, current value and reverse electric weight can be the micro-control unit (MCU of electric weight with the pulses switch of computation chip output through the input of SPI interface; Micro Control Unit) in, the input end of described micro-control unit is connected with communication module, display module, memory module and control module respectively;
Described control module comprises the IC-card unit that can utilize IC-card and IC-card telecommunication circuit that the data in the micro-control unit are provided with and change; The tripping operation outage unit that closes a floodgate when the time tripping operation less than drawing lock threshold value, the electricity charge that prestore are greater than drawing lock threshold value with the electricity charge that prestore as the user; And the embedded-type security control module (ESAM, Embedded Secure Access Module) that information security is encrypted; The output terminal of described IC-card unit is connected with the input end of described micro-control unit, and the input end of described tripping operation outage unit is connected with the output terminal of described micro-control unit;
Described electric energy meter also is included as the primary power of computation chip and micro-control unit power supply, is the auxiliary power of IC-card unit power supply, and for micro-control unit the clock circuit of clock signal is provided.
Further, described communication module comprises infrared communication unit and 485 communication units; Described display module comprises the LCD display unit that shows various electric weight, voltage, electric current, time, address and table number and shows meritorious pulse, the LED indicating member with warning message of operating a switch;
Described memory module comprises the EEPROM storage unit; The input end of all unit is connected with the output terminal of micro-control unit respectively;
Described auxiliary power is connected with described 485 communication units.
The technical conceive of the utility model is: utilize current sampling circuit to gather current signal, utilize voltage sampling circuit to gather voltage signal, through the calculating of 8209 computation chips; Computation chip carries out the AD sampling to signal; Obtain magnitude of voltage and current value, pass through the hardware multiplier in the computation chip simultaneously, voltage and current is multiplied each other obtains power; And with the form of pulse power is exported, the speed of pulse has been represented the size of power; Computing chip with relevant voltage, electric current, reverse electric weight, power, etc. signal be transferred on the MCU through the SPI line, handle; Under the forward electric weight situation, the waveform of voltage should be identical with the waveform of electric current, and under the reverse electric weight situation, the waveform of voltage and electric current is opposite, and the forward electric weight can measure with reverse electric quantity metering chip voluntarily.MCU will need data presented to show through display module; Through infrared communication unit or 485 communication units electric energy meter is communicated simultaneously; Drawing lock module then can be controlled user's electricity consumption.The IC-card module then can utilize IC-card and IC-card telecommunication circuit that the data in the MCU are provided with and change.
This circuit board adopted ultra-large digital signal processing chip, forever preserve the memory of information, full isolation standard RS485 communication interface and infrared communication, the big wide temperature liquid crystal display of picture and information security encrypts advanced technologies such as ESAM module.This circuit board integrates numerous functions; Have functions such as electrical energy metering, information stores and processing, monitoring in real time, control automatically, information interaction; Can stop the arrearage behavior effectively, effectively in time the user carried out modernized requirement of scientific management thereby complied with power department.
The utlity model has the intelligent electric energy meter series standard that can adapt to State Grid Corporation of China, safe, with low cost advantage.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Embodiment
With reference to accompanying drawing, further specify the utility model:
The control intelligent electric energy meter is taken in single-phase this locality; Comprise the current sampling circuit 1 of gathering current signal and the voltage sampling circuit 2 of gathering voltage signal; Described current signal and voltage signal input computation chip 3; Be provided with in the described computation chip 3 current signal and voltage signal are carried out that the AD sampling obtains the sampling module of current value and magnitude of voltage and magnitude of voltage and current value multiplied each other obtaining the hardware multiplier of performance number, and the pulse output module that performance number is exported with the form of pulse;
The magnitude of voltage that described computation chip 3 obtains, current value and reverse electric weight can be the micro-control unit (MCU of electric weight with the pulses switch of computation chip output through the input of SPI interface; Micro Control Unit) in 4, the input end of described micro-control unit 4 is connected with communication module, display module, memory module and control module respectively;
Described control module comprises the IC-card unit 16 that can utilize IC-card and IC-card telecommunication circuit that the data in the micro-control unit are provided with and change; The tripping operation outage unit 11 that closes a floodgate when the time tripping operation less than drawing lock threshold value, the electricity charge that prestore are greater than drawing lock threshold value with the electricity charge that prestore as the user; And the embedded-type security control module 10 (ESAM, Embedded Secure Access Module) that information security is encrypted; The output terminal of described IC-card unit 16 is connected with the input end of described micro-control unit 4, and the input end of described tripping operation outage unit 11 is connected with the output terminal of described micro-control unit 4;
Described electric energy meter also is included as the primary power 5 of computation chip 3 and micro-control unit 4 power supplies, is the auxiliary power 6 of IC-card unit 16 power supplies, and for micro-control unit 4 clock circuit 7 of clock signal is provided.
Described communication module comprises infrared communication unit 9 and 485 communication units 8; Described display module comprises the LCD display unit 13 that shows various electric weight, voltage, electric current, time, address and table number and shows meritorious pulse; Operate a switch LED indicating member 12 with warning message, described memory module comprises EEPROM storage unit 14; The input end of all unit is connected with the output terminal of micro-control unit 4 respectively, and described auxiliary power 6 is connected with described 485 communication units 8.
The technical conceive of the utility model is: utilize current sampling circuit to gather current signal, utilize voltage sampling circuit to gather voltage signal, through the calculating of 8209 computation chips; Computation chip carries out the AD sampling to signal; Obtain magnitude of voltage and current value, pass through the hardware multiplier in the computation chip simultaneously, voltage and current is multiplied each other obtains power; And with the form of pulse power is exported, the speed of pulse has been represented the size of power; Computing chip with relevant voltage, electric current, reverse electric weight, power, etc. signal be transferred on the MCU through the SPI line, handle; Under the forward electric weight situation, the waveform of voltage should be identical with the waveform of electric current, and under the reverse electric weight situation, the waveform of voltage and electric current is opposite, and the forward electric weight can measure with reverse electric quantity metering chip voluntarily.MCU will need data presented to show through display module; Through infrared communication unit or 485 communication units electric energy meter is communicated simultaneously; Drawing lock module then can be controlled user's electricity consumption.The IC-card module then can utilize IC-card and IC-card telecommunication circuit that the data in the MCU are provided with and change.
This circuit board adopted ultra-large digital signal processing chip, forever preserve the memory of information, full isolation standard RS485 communication interface and infrared communication, the big wide temperature liquid crystal display of picture and information security encrypts advanced technologies such as ESAM module.This circuit board integrates numerous functions; Have functions such as electrical energy metering, information stores and processing, monitoring in real time, control automatically, information interaction; Can stop the arrearage behavior effectively, effectively in time the user carried out modernized requirement of scientific management thereby complied with power department.
The utlity model has the intelligent electric energy meter series standard that can adapt to State Grid Corporation of China, safe, with low cost advantage.
The described content of this instructions embodiment only is enumerating the way of realization of utility model design; The protection domain of the utility model should not be regarded as and only limit to the concrete form that embodiment states, the protection domain of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.

Claims (2)

1. the control intelligent electric energy meter is taken in single-phase this locality; It is characterized in that: comprise the current sampling circuit of gathering current signal and the voltage sampling circuit of gathering voltage signal; Described current signal and voltage signal input computation chip; Be provided with in the described computation chip current signal and voltage signal are carried out the sampling module that the AD sampling obtains current value and magnitude of voltage; With being multiplied each other, magnitude of voltage and current value obtain the hardware multiplier of performance number, and with the pulse output module of performance number with the form output of pulse;
The magnitude of voltage that described computation chip obtains, current value and reverse electric weight can be in the micro-control unit of electric weight with the pulses switch of computation chip output through the input of SPI interface, and the input end of described micro-control unit is connected with communication module, display module, memory module and control module respectively;
Described control module comprises can utilize IC-card unit that IC-card and IC-card telecommunication circuit be provided with and change the data in the micro-control unit and when the user tripping operation outage unit that electricity charge tripping operation during less than drawing lock threshold value, the electricity charge that prestore close a floodgate during greater than drawing lock threshold value that prestores; The output terminal of described IC-card unit is connected with the input end of described micro-control unit, and the input end of described tripping operation outage unit is connected with the output terminal of described micro-control unit;
Described electric energy meter also is included as the primary power of computation chip and micro-control unit power supply, is the auxiliary power of IC-card unit power supply, and for micro-control unit the clock circuit of clock signal is provided.
2. the control intelligent electric energy meter is taken in single-phase this locality as claimed in claim 1, and it is characterized in that: described communication module comprises infrared communication unit and 485 communication units; Described display module comprises the LCD display unit that shows various electric weight, voltage, electric current, time, address and table number and shows meritorious pulse, the LED indicating member with warning message of operating a switch;
Described memory module comprises the EEPROM storage unit; The input end of all unit is connected with the output terminal of micro-control unit respectively;
Described auxiliary power is connected with described 485 communication units.
CN2011202018872U 2011-06-15 2011-06-15 Single-phase local cost control intelligent electric energy meter Expired - Lifetime CN202120360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202018872U CN202120360U (en) 2011-06-15 2011-06-15 Single-phase local cost control intelligent electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202018872U CN202120360U (en) 2011-06-15 2011-06-15 Single-phase local cost control intelligent electric energy meter

Publications (1)

Publication Number Publication Date
CN202120360U true CN202120360U (en) 2012-01-18

Family

ID=45461409

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202018872U Expired - Lifetime CN202120360U (en) 2011-06-15 2011-06-15 Single-phase local cost control intelligent electric energy meter

Country Status (1)

Country Link
CN (1) CN202120360U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110412346A (en) * 2019-07-01 2019-11-05 许昌许继低压电器有限公司 A kind of metering type intelligent breaker based on Internet of Things

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110412346A (en) * 2019-07-01 2019-11-05 许昌许继低压电器有限公司 A kind of metering type intelligent breaker based on Internet of Things

Similar Documents

Publication Publication Date Title
CN204559175U (en) A kind of electric automobile charging pile intelligent monitoring and controlling device
CN202693653U (en) Single-phase fee control intelligent electric energy meter
CN201518049U (en) Distribution transformer monitoring metering terminal
Kate et al. ZIGBEE based monitoring theft detection and automatic electricity meter reading
CN203101508U (en) Single-phase remote cost control electric energy meter
CN201828608U (en) Three-phase intelligent electric energy meter
CN102253280A (en) Single-phase remote charge-control carrier intelligent electric energy meter
CN202120360U (en) Single-phase local cost control intelligent electric energy meter
CN101819222A (en) Intelligent electric energy meter with acquisition function
CN202119833U (en) Single-phase remote cost control intelligent electric energy meter
CN202149916U (en) Single-phase remote charge-control carrier wave intelligent electric meter
CN205427040U (en) Single -phase static many rates of formula electric energy meter
CN102306422A (en) Single-phase local cost control carrier wave intelligent electric energy meter
CN204719450U (en) A kind of equipment of Based Intelligent Control multiple stage charging pile
CN204010151U (en) A kind of resident's electricity charge intelligent early-warning device
CN202110606U (en) Single-phase local fee-control carrier intelligent energy meter
CN202662148U (en) Electricity utilization information concentrator
CN102243271A (en) Single-phase local cost control intelligent electric energy meter
CN103245931B (en) Power information collecting device electric energy meter metrical pulse simulation system and output intent
CN102262800A (en) Single-phase long-distance cost-control intelligent electric energy meter
CN205450107U (en) Radio communication's electricity inspection terminal
CN204576675U (en) A kind of intelligent machine well control box based on IC-card
CN203966243U (en) A kind of prepayment meter
CN202649304U (en) Prepaid metering device
CN203706264U (en) Prepaid electricity management system

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
CP02 Change in the address of a patent holder

Address after: 310030 No. 9 Longtan Road, front street, Yuhang District, Zhejiang, Hangzhou

Patentee after: Hangzhou Sunrise Technology Co., Ltd.

Address before: Hangzhou City, Zhejiang province 310030 West Lake science and Technology Park West eight road No. 2 Yinjiang Software Park building C

Patentee before: Hangzhou Sunrise Technology Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20120118

CX01 Expiry of patent term