CN202815085U - Three-phase intelligent electric energy meter - Google Patents

Three-phase intelligent electric energy meter Download PDF

Info

Publication number
CN202815085U
CN202815085U CN 201220446713 CN201220446713U CN202815085U CN 202815085 U CN202815085 U CN 202815085U CN 201220446713 CN201220446713 CN 201220446713 CN 201220446713 U CN201220446713 U CN 201220446713U CN 202815085 U CN202815085 U CN 202815085U
Authority
CN
China
Prior art keywords
unit
infrared
module
communication 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
CN 201220446713
Other languages
Chinese (zh)
Inventor
杨兴
周小蕾
李克
陈仓首
沈学良
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 Xili Intelligent Polytron Technologies Inc
Original Assignee
HANGZHOU XILI WATT-HOUR METER MANUFACTURE 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 XILI WATT-HOUR METER MANUFACTURE Co Ltd filed Critical HANGZHOU XILI WATT-HOUR METER MANUFACTURE Co Ltd
Priority to CN 201220446713 priority Critical patent/CN202815085U/en
Application granted granted Critical
Publication of CN202815085U publication Critical patent/CN202815085U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

The present utility model provides a three-phase intelligent electric energy meter. The meter comprises a control unit, a metering unit, a communication unit, a man-machine interaction unit, an infrared awakening unit based on a photosensitive diode, an ESAM safety unit, a storage unit and an output unit, the communication unit comprises an RS485 communication module and an infrared module, and the metering unit, the RS485 communication module, the infrared module, the man-machine interaction unit, the infrared awakening unit, the ESAM safety unit, the storage unit and the output unit are respectively and electrically connected with the control unit. In the meter, the photosensitive diode is adopted to form an awakening circuit, the electric energy meter can be awakened when a system is powered off and operated in a low power state, service life of a cell is guarantee, reliability is good, security is high, and production costs are reduced.

Description

Three-phase intelligent electric-energy meter
Technical field
The utility model relates to a kind of electric energy meter, refers in particular to a kind of three-phase intelligent electric-energy meter.
Background technology
In the technical standard of national grid, three-phase electric energy meter requires power down to wake up, and battery should be able to satisfy electric energy meter continuous working requirement more than 5 years under power-down conditions.Present technical design is mainly with the reception original paper of infrared receiving tube as power down, but since the infrared receiving tube power consumption at 0.7~1.2MA, in case design not ideal enoughly, the power down power consumption just is difficult to satisfy the serviceable life of battery; If adopt the time switch power supply, then the infrared real-time of waking up will face larger problem, bring very large unreliability to system.
The utility model content
Wake the problem that power consumption is difficult to satisfy battery up in order to solve existing three-phase electric energy meter, the utility model proposes a kind of three-phase intelligent electric-energy meter, use photodiode, build the wake-up circuit under the power-down conditions, move to wake up electric energy meter at low power consumpting state when making system power failure, ensured the serviceable life of battery, good reliability, safe, reduced simultaneously production cost.
The technical scheme that the utility model adopts is: a kind of three-phase intelligent electric-energy meter, comprise control module, metering units, communication unit, man-machine interaction unit, take infrared wakeup unit, ESAM safe unit, storage unit and the output unit of photodiode as the basis, described communication unit comprises RS485 communication module and infrared module, and described metering units, RS485 communication module, infrared module, man-machine interaction unit, infrared wakeup unit, ESAM safe unit, storage unit and output unit are electrically connected with control module respectively.
The utility model adopts the low-power consumption light activated element to wake up as infrared, is independent of infrared reception/transmission diode and powers, and guarantees the infrared corresponding real-time of electric energy meter and the reliability waken up of power down; The low-power consumption auxiliary process that adds simultaneously the software control corresponding function has further reduced the ammeter power consumption of power down process, improves the serviceable life of battery.The utility model adopts simultaneously by self-programming the inner Flash of MCU is modeled to an EEPROM zone, finishing the power down of significant data preserves, system's external disturbance or the capacitive electric energy deficiency reliability that storage works the mischief to data has also reduced the hardware cost of storing simultaneously when having improved owing to power down.
As preferably, described infrared wakeup unit comprises a photodiode, a diode, a triode and several resistance, several electric capacity, the positive pole of described photodiode passes through resistance eutral grounding, the power supply of the negative pole connection control unit of photodiode, the collector of triode is by the power supply of resistance connection control unit, the positive pole of photodiode is connected base stage and is connected respectively the negative pole of diode by electric capacity with resistance with triode, the positive pole of diode and the equal ground connection of the emitter of triode, the collector of triode is connected with the IO mouth of control module.
As preferably, described communication unit also comprises the long-distance radio communication module, and described long-distance radio communication module is electrically connected with control module.
As preferably, described long-distance radio communication module is GPRS wireless communication module or cdma wireless communication module.
As preferably, man-machine interaction unit comprises LCD display and button.
The beneficial effects of the utility model are: move to wake up electric energy meter at low power consumpting state when making system power failure, ensured the serviceable life of battery, and good reliability, safe, reduced simultaneously production cost.
Description of drawings
Fig. 1 is a kind of structured flowchart of the present utility model;
Fig. 2 is the circuit theory diagrams of infrared wakeup unit in the utility model.
Among the figure, 1-control module, 2-metering units, the 3-communication unit, 4-man-machine interaction unit, the infrared wakeup unit of 5-, the 6-ESAM safe unit, 7-storage unit, 8-output unit, the 31-RS485 communication module, the 32-infrared module, 33-long-distance radio communication module, DS1-photodiode, the D1-diode, the T1-triode.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of three-phase intelligent electric-energy meter, comprise control module 1, metering units 2, communication unit 3, man-machine interaction unit 4, take the infrared wakeup unit 5 of photodiode DS1 as the basis, ESAM safe unit 6, storage unit 7 and output unit 8, communication unit 3 comprises RS485 communication module 31, infrared module 32 and long-distance radio communication module 33, metering units 2, RS485 communication module 31, infrared module 32, long-distance radio communication module 33, man-machine interaction unit 4, infrared wakeup unit 5, ESAM safe unit 6, storage unit 7 and output unit 8 are electrically connected with control module respectively.Wherein, long-distance radio communication module 33 is the GPRS wireless communication module, and man-machine interaction unit 4 comprises LCD display and button, and LCD display is wide temperature range-40 to 85 HTN material LCD.
Power supply is selected three road output switch power sources, and Switching Power Supply operating voltage input range is wide, and efficient is high, and wherein 1 road 12V is as primary power, and 1 road 13.5V is as charge power supply of battery, and 1 road 12V is as the insulating power supply of RS485 communication module 31.
Metering module selects ADE7858 as computation chip, selects the 8025T that carries the internal digital temperature compensation as clock chip, supports the fast mode of iic bus, and more new terminal, leap year are adjusted automatically for timing alarm, fixed cycle Interruption, clock.
As shown in Figure 2, infrared wakeup unit comprises a photodiode DS1, diode D1, a triode T1, the positive pole of photodiode DS1 is by resistance R 1 ground connection, the power supply of the negative pole connection control unit of photodiode DS1, the collector of triode is by the power supply of resistance connection control unit, the positive pole of photodiode DS1 is connected base stage and is connected the negative pole that connects diode D1 with resistance R by capacitor C 1 respectively with triode T1, the equal ground connection of the emitter of the positive pole of diode D1 and triode T1, the collector of triode T1 is connected with the IO mouth of control module.
The On current of photodiode DS1 is 2UA to the maximum, but because inside does not have amplifying circuit, the power of output signal changes with the variation of input signal.In order to improve the signal identification rate of system, the output signal of DS1 is carried out filtering and amplify the judgement of rear propose Gong Give system, distance and the antijamming capability of input signal is provided; By regulating R2 resistance, the infrared coverage that wakes up can be brought up to 0.9 meter.
Above embodiment only is explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on the technical scheme basis all falls within the protection domain of the present utility model.

Claims (5)

1. three-phase intelligent electric-energy meter, it is characterized in that: comprise control module (1), metering units (2), communication unit (3), man-machine interaction unit (4), take the infrared wakeup unit (5) of photodiode (DS1) as the basis, ESAM safe unit (6), storage unit (7) and output unit (8), described communication unit (3) comprises RS485 communication module (31) and infrared module (32), described metering units (2), RS485 communication module (31), infrared module (32), man-machine interaction unit (4), infrared wakeup unit (5), ESAM safe unit (6), storage unit (7) and output unit (8) are electrically connected with control module (1) respectively.
2. three-phase intelligent electric-energy meter according to claim 1, it is characterized in that: described infrared wakeup unit (5) comprises a photodiode (DS1), a diode (D1), a triode (T1) and several resistance, several electric capacity, the positive pole of described photodiode (DS1) passes through resistance eutral grounding, the power supply of the negative pole connection control unit (1) of photodiode (DS1), the collector of triode (T1) is by the power supply of resistance connection control unit (1), the positive pole of photodiode (DS1) is connected T1 with triode) base stage be connected respectively the negative pole of diode (D1) with resistance by electric capacity, the equal ground connection of emitter of the positive pole of diode (D1) and triode (T1), the collector of triode (T1) is connected with the IO mouth of control module (1).
3. three-phase intelligent electric-energy meter according to claim 1, it is characterized in that: described communication unit (3) also comprises long-distance radio communication module (33), described long-distance radio communication module (33) is electrically connected with control module (1).
4. three-phase intelligent electric-energy meter according to claim 3 is characterized in that: described long-distance radio communication module (33) is GPRS wireless communication module or cdma wireless communication module.
5. according to claim 1 and 2 or 3 or 4 described three-phase intelligent electric-energy meters, it is characterized in that: man-machine interaction unit (4) comprises LCD display and button.
CN 201220446713 2012-09-04 2012-09-04 Three-phase intelligent electric energy meter Expired - Lifetime CN202815085U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220446713 CN202815085U (en) 2012-09-04 2012-09-04 Three-phase intelligent electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220446713 CN202815085U (en) 2012-09-04 2012-09-04 Three-phase intelligent electric energy meter

Publications (1)

Publication Number Publication Date
CN202815085U true CN202815085U (en) 2013-03-20

Family

ID=47873943

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220446713 Expired - Lifetime CN202815085U (en) 2012-09-04 2012-09-04 Three-phase intelligent electric energy meter

Country Status (1)

Country Link
CN (1) CN202815085U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106018899A (en) * 2016-07-08 2016-10-12 华立科技股份有限公司 Infrared wake-up intelligent electric meter processing method
CN107994951A (en) * 2017-12-05 2018-05-04 宁波三星医疗电气股份有限公司 Near-infrared head under power-down state automatically wakes up communication means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106018899A (en) * 2016-07-08 2016-10-12 华立科技股份有限公司 Infrared wake-up intelligent electric meter processing method
CN107994951A (en) * 2017-12-05 2018-05-04 宁波三星医疗电气股份有限公司 Near-infrared head under power-down state automatically wakes up communication means

Similar Documents

Publication Publication Date Title
CN202815085U (en) Three-phase intelligent electric energy meter
CN103904748A (en) Minisatellite power supply system based on FPGA
CN110337139B (en) Low-power-consumption control method based on wireless sensor and wireless sensor
CN203025851U (en) Multi-rate network electric power meter capable of displaying carbon emission amount
CN202351311U (en) Intelligent voltage calibration device applicable to various power battery and capacitor management systems
CN201726170U (en) Power supply with wakeup function
CN202976434U (en) Solar photovoltaic power generation remote intelligent monitoring system
CN205920369U (en) Long electrified carbone controller power
CN202856419U (en) Alarm clock circuit structure
CN202975736U (en) Control center management and early warning system used for photovoltaic power-generation remote intelligent monitoring
CN202057713U (en) Online monitoring device for wireless lightning arrester
CN202362285U (en) Solar gas detector
CN107958967A (en) A kind of accumulator of electric car of self-inspection data
CN204265162U (en) A kind of elevator dragging wire rope stress harvester of low-power consumption
CN103076872A (en) Automatic sleeping and awakening method and system for air mouse
CN206709201U (en) Electric heating boiler control assembly can be set in a kind of working time, peak-trough electricity
CN203070024U (en) Solar water heating project monitoring and control equipment
CN203149817U (en) Wireless meter reading node of water meter
CN208314520U (en) A kind of humiture monitoring device based on NB-IoT mechanics of communication
CN203858471U (en) Micro-power-consumption power supply management system based on PIC18F series single-chip microcomputer
CN102393447B (en) Solar energy gas detector
CN203705430U (en) Portable solar power supply water quality detector
CN205722372U (en) Wireless intelligent gas kilowatt meter reading-out system
CN203587806U (en) Positioning terminal
CN203276529U (en) Photovoltaic power-supplying wireless voltage transmitter

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
CP03 Change of name, title or address

Address after: 310024, Zhejiang, Hangzhou province Xihu District Zhuan Tong Street, Zhuan Tong Science and Technology Economic Zone No. 11

Patentee after: Hangzhou Xili intelligent Polytron Technologies Inc

Address before: Hangzhou City, Zhejiang province 310009 Yuhang District Xianlin Street Jia Road No. 14 Enterprises

Patentee before: HANGZHOU XILI WATT-HOUR METER MANUFACTURE CO., LTD.