CN201188118Y - Whole electronic type intelligent electric meter - Google Patents

Whole electronic type intelligent electric meter Download PDF

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Publication number
CN201188118Y
CN201188118Y CNU2008200453073U CN200820045307U CN201188118Y CN 201188118 Y CN201188118 Y CN 201188118Y CN U2008200453073 U CNU2008200453073 U CN U2008200453073U CN 200820045307 U CN200820045307 U CN 200820045307U CN 201188118 Y CN201188118 Y CN 201188118Y
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CN
China
Prior art keywords
circuit
chip microcomputer
ammeter
electric meter
intelligent electric
Prior art date
Application number
CNU2008200453073U
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Chinese (zh)
Inventor
骆勇强
Original Assignee
广东东方电讯科技有限公司
骆勇强
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 广东东方电讯科技有限公司, 骆勇强 filed Critical 广东东方电讯科技有限公司
Priority to CNU2008200453073U priority Critical patent/CN201188118Y/en
Application granted granted Critical
Publication of CN201188118Y publication Critical patent/CN201188118Y/en

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Abstract

The utility model relates to a full electronic intelligent electric meter which comprises a master control circuit including a monolithic processor and a data storage unit part, an electric energy pulse acquisition circuit, the input terminal of which samples a signal of an electric power circuit, and the output terminal of which is connected to the monolithic processor, a data transmission circuit (RS485 or carrier channel), one terminal of which performs data interchange with the outside, and the other terminal of which is connected to a serial data transmission interface, a switching on-off controlling circuit, a relay detecting circuit which can judge a relay is powered on or disconnected through detecting the high or low electrical level at the output terminal of the relay by the monolithic processor, a power circuit used for providing power for the monolithic processor and the electric energy pulse acquisition circuit and the data transmission circuit, a speech circuit which is composed of a speech chip, a transmittal circuit and a loudspeaker and can sectionally store the speech information, wherein, the monolithic processor receives a power-down control signal outside to control the turn-on or turn-off of the relay arranged in the electric meter to control the communication or disconnection of the phase line of a user line.

Description

A kind of full electronic intelligent electric meter
Technical field
The utility model relates to a kind of full electronic intelligent electric meter, is meant a kind of full electronic voice suggestion intelligent electric meter especially.
Background technology
The fault warning mode of full electronic electric energy meter generally is to represent by ammeter instruction from above lamp or buzzer call at present, but because ammeter generally all is mounted in table case inside, be difficult for being found, if fault is not found for a long time, bring economic loss may for like this power supply department or user.
In addition, at present power supply administration is to notify the user by the mode of sending out public notice list and make a phone call to electric charge pressing payment when general, and it is more loaded down with trivial details to press for payment of work.
The utility model content
At the shortcoming of prior art, the purpose of this utility model provides a kind of full electronic intelligent electric meter of automatic speech alarm when ammeter has fault or presses for payment of the electricity charge.
For achieving the above object, the technical solution of the utility model is: a kind of full electronic intelligent electric meter comprises: governor circuit, and it comprises the storer of single-chip microcomputer and storage single-chip microcomputer supplemental characteristic; The electrical energy pulse Acquisition Circuit, the signal of its input end sampling power circuit, output terminal output electric energy measurement data is to single-chip microcomputer; Data transfer circuit, exchanges data is carried out in one end and outside, and the serial data that the other end is connected to single-chip microcomputer sends mouth; Draw, contacting controling circuit, its input end receives outside outage control signal, output terminal is built in the closed of relay in the ammeter or disconnects connection or the disconnection of controlling the subscriber's line phase line by Single-chip Controlling; Power failure detection circuit, it detects the high or low of relay output end level by single-chip microcomputer and judges that relay is closed or disconnects; Power circuit is used to provide power supply to single-chip microcomputer, electrical energy pulse collection and data transfer circuit; Sound circuit, this sound circuit is made of speech chip, discharge circuit and loudspeaker.
Amplifying circuit is made of transport and placing device, the input pin of speech chip is connected to single-chip microcomputer, the output pin of speech chip is connected to the in-phase input end of transport and placing device by first electric capacity, first resistance, the reverse inter-input-ing ending grounding of transport and placing device, the output terminal of transport and placing device is connected to an end of loudspeaker through second electric capacity, the other end ground connection of loudspeaker, the output terminal of transport and placing device are also through the 3rd electric capacity and second resistance eutral grounding.
This first resistance is adjustable resistance, and this variable-resistance end connects first electric capacity, other end ground connection, and the resistance adjustment end is connected to the in-phase input end of putting device.
The model of this speech chip such as ISD33060, the model of this transport and placing device such as LM386.
This ammeter also comprises the clock circuit that offers single-chip microcomputer frequency of operation and time parameter; Also comprise by Micro Controller Unit (MCU) driving and show the liquid crystal display circuit of related data; This ammeter also comprises the electrical energy pulse test circuit that the verification electric energy metering error is used; Also comprise the indicator light circuit by Micro Controller Unit (MCU) driving, this indicator light circuit comprises the pulse pilot lamp and the pilot lamp of operating a switch.
In addition, the data transfer circuit in this ammeter is realized exchanges data by any one data transmission channel in RS485 passage, carrier channel or the infrared channel.
Compared with prior art, the utility model is by increasing sound circuit and realizing the phonic warning prompt facility of ammeter by the control of single-chip microcomputer in ammeter.Ammeter is when breaking down, and automatic speech is alarmed, and stores these warning information, and these warning information can be read in management of power use center.Simultaneously, ammeter is at every month fixed time (before paying the fees), the automatic speech prompting information of paying the fees; Not paying the fees if the user exceeds the time limit, can communicate by letter with ammeter in real time in management of power use center, the announcement of control ammeter issue voice electric charge pressing payment.
Description of drawings
Fig. 1 is the functional block diagram of full electronic intelligent electric meter of the present utility model; Fig. 2 is the circuit theory diagrams of sound circuit of the present utility model; Fig. 3 is the diagram of communications networks between management of power use center and the ammeter.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of full electronic intelligent electric meter as shown in Figures 1 and 2 comprises:
Governor circuit, it comprises the storer of single-chip microcomputer and storage single-chip microcomputer supplemental characteristic;
The electrical energy pulse Acquisition Circuit, it adopts the computation chip of ADE7755, and it is sampled respectively by voltage signal and current signal to power circuit, and the multiplier by chip internal calculates the electric energy consumption then, convert pulse signal to through A/D, output to single-chip microcomputer;
Data transfer circuit, exchanges data is carried out in one end and outside, and the serial data that the other end is connected to single-chip microcomputer sends mouth;
Power-off control circuit, the built-in magnetic latching relay of electric energy meter, single-chip microcomputer are controlled the energising/outage of subscriber's line phase line by the closure/disconnection of pilot relay.Single-chip microcomputer utilizes dual serial data transmission mouthful control to come the trigger relay action as BL8023 bidirectional relay drive integrated circult;
Power failure detection circuit, it detects the high or low of relay output end level by single-chip microcomputer and judges that relay is closed or disconnects;
Power circuit is used to provide power supply to single-chip microcomputer, electrical energy pulse collection and data transfer circuit;
Sound circuit, it is made up of speech chip, discharge circuit and loudspeaker.Amplifying circuit adopts as the transport and placing device of LM386 and realizes, the model of speech chip such as ISD33060, it can store 60 seconds voice messaging, and can the different voice messaging of fragmented storage, it is by the MISO of chip, MOSI, SCLK, SS, the INT pin is connected with chip microcontroller, and by AUD OUT pin output audio signal, AUD OUT pin is by first electric capacity, first resistance is connected to the in-phase input end of transport and placing device, the reverse inter-input-ing ending grounding of transport and placing device, the output terminal of transport and placing device is connected to an end of loudspeaker through second electric capacity, the other end ground connection of loudspeaker, the output terminal of transport and placing device are also through the 3rd electric capacity and second resistance eutral grounding.The sound signal of this speech chip output is converted into voice realization sound prompt function through the driving amplification of amplifying circuit and through loudspeaker with the sound signal of amplifying.
This first resistance is adjustable resistance, and this variable-resistance end connects first electric capacity, other end ground connection, and the resistance adjustment end is connected to the in-phase input end of putting device.
This ammeter also comprises the clock circuit that offers single-chip microcomputer frequency of operation and time parameter, it has adopted real-time timepiece chip, and the inner integrated quartz oscillator of 32.768kHz has been simplified peripheral circuit, and can carried out as required freely being provided with to obtain higher frequency; Be integrated with clock and calendar counter simultaneously; Can select 24 or 12 hours display modes; Clock can carry out 30 seconds adjustment at interval by software mode; And provide the timing pip of 0.1Hz or 1024Hz to export, so that clock accuracy is made regular check in the outside of electric energy meter.
This ammeter comprises also by Micro Controller Unit (MCU) driving and shows the liquid crystal display piece and the liquid crystal display circuit of related data that the user can obtain electric energy metrical and relevant fault, warning information by the liquid crystal display piece.
This ammeter also comprises the electrical energy pulse test circuit, and it produces a default standard-frequency signal, and this standard-frequency signal is used for the error of verification electric energy metrical.
This ammeter also comprises the indicator light circuit by Micro Controller Unit (MCU) driving, and this indicator light circuit comprises the pulse pilot lamp and the pilot lamp of operating a switch.
When also comprising power-off, this ammeter provides the battery of back-up source, to guarantee that when power circuit is stopped power supply the clock circuit that offers the single-chip microcomputer time parameter can also normally move to single-chip microcomputer.
The data transfer circuit of this ammeter is realized exchanges data by any one data transmission channel in RS485 passage, carrier channel or the infrared channel.As when using the RS485 passage, adopting the SN75LBC184 chip, the serial data by single-chip microcomputer sends that mouthful RXD, TXD connect the RS485 chip and exchanges data is carried out in the outside; As when using carrier channel, adopting the PL3201 carrier chip, these two RXD, TXD pin by single-chip microcomputer connect carrier chip.Certainly, also can utilize infrared channel to carry out exchanges data, it utilizes the serial data of single-chip microcomputer to send the data transmit-receive of a mouthful TXD, RXD controlling and driving infrared receiving tube and infrared transmitting tube.
As shown in Figure 3, data transmission is realized by communication modes such as GPRS/CDMA/PSTN and concentrator in management of power use center, and concentrator is the chip microcontroller data transmission by data transfer circuit such as RS485 passage, carrier channel or infrared channel and ammeter again.Ammeter is when breaking down, and automatic speech is alarmed, and the storage warning information, and these warning information can be read in management of power use center.Simultaneously, ammeter is at every month fixed time (before paying the fees), the automatic speech prompting information of paying the fees; Not paying the fees if the user exceeds the time limit, can communicate by letter with ammeter in real time in management of power use center, the announcement of control ammeter issue voice electric charge pressing payment.

Claims (9)

1, a kind of full electronic intelligent electric meter comprises:
Governor circuit, it comprises the storer of single-chip microcomputer and storage single-chip microcomputer supplemental characteristic;
The electrical energy pulse Acquisition Circuit, the signal of its input end sampling power circuit, output terminal output electric energy measurement data is to single-chip microcomputer;
Data transfer circuit RS485 or carrier channel, exchanges data is carried out in one end and outside, and the serial data that the other end is connected to single-chip microcomputer sends mouth;
Draw, contacting controling circuit, single-chip microcomputer receives outside outage control signal, the built-in relay of control ammeter closed or disconnect connection or the disconnection of controlling the subscriber's line phase line;
The relay testing circuit, it detects the high or low of relay output end level by single-chip microcomputer and judges that relay is closed or disconnects;
Liquid crystal display circuit is directly driven by single-chip microcomputer, shows the electric quantity data of ammeter.
Power circuit is used to provide power supply to single-chip microcomputer, electrical energy pulse collection and data transfer circuit;
It is characterized in that: also comprise sound circuit, it is made of speech chip, discharge circuit and loudspeaker, speech chip energy fragmented storage voice messaging, and voice signal broadcasts by loudspeaker.
2, full electronic intelligent electric meter according to claim 1, it is characterized in that: described discharge circuit is made of transport and placing device, the input pin of speech chip is connected to single-chip microcomputer, the output pin of speech chip is connected to the in-phase input end of transport and placing device by first electric capacity, first resistance, the reverse inter-input-ing ending grounding of transport and placing device, the output terminal of transport and placing device is connected to an end of loudspeaker through second electric capacity, the other end ground connection of loudspeaker, the output terminal of transport and placing device are also through the 3rd electric capacity and second resistance eutral grounding.
3, full electronic intelligent electric meter according to claim 2 is characterized in that: described first resistance is adjustable resistance, and this variable-resistance end connects first electric capacity, other end ground connection, and the resistance adjustment end is connected to the in-phase input end of putting device.
4, full electronic intelligent electric meter according to claim 2 is characterized in that: the model of this speech chip such as ISD33060, the model of transport and placing device such as LM386.
5, according to each described full electronic intelligent electric meter in the claim 1 to 4, it is characterized in that: this ammeter also comprises the clock circuit that offers single-chip microcomputer frequency of operation and time parameter.
6, according to each described full electronic intelligent electric meter in the claim 1 to 4, it is characterized in that: this ammeter also comprises by Micro Controller Unit (MCU) driving and shows the liquid crystal display circuit of related data.
7, according to each described full electronic intelligent electric meter in the claim 1 to 4, it is characterized in that: this ammeter also comprises the electrical energy pulse test circuit that the verification electric energy metering error is used.
8, according to each described full electronic intelligent electric meter in the claim 1 to 4, it is characterized in that: this ammeter also comprises the indicator light circuit by Micro Controller Unit (MCU) driving, and this indicator light circuit comprises the pulse pilot lamp and the pilot lamp of operating a switch.
9, according to each described full electronic intelligent electric meter in the claim 1 to 4, it is characterized in that: the data transfer circuit of this ammeter is realized exchanges data by any one data transmission channel in RS485 passage, carrier channel or the infrared channel.
CNU2008200453073U 2008-03-19 2008-03-19 Whole electronic type intelligent electric meter CN201188118Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200453073U CN201188118Y (en) 2008-03-19 2008-03-19 Whole electronic type intelligent electric meter

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Application Number Priority Date Filing Date Title
CNU2008200453073U CN201188118Y (en) 2008-03-19 2008-03-19 Whole electronic type intelligent electric meter

Publications (1)

Publication Number Publication Date
CN201188118Y true CN201188118Y (en) 2009-01-28

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102074855A (en) * 2010-11-24 2011-05-25 天津大学 Zigbee technology-based wireless intelligent socket for monitoring fine grit electric quantity
CN102435802A (en) * 2011-11-04 2012-05-02 上海建坤信息技术有限责任公司 Energy-saving detection device and method for energy performance contracting
CN101769959B (en) * 2009-12-28 2013-05-01 河北嘉仪电子有限公司 Method for automatically reading electric quantity data in multi-electric energy meter system
CN103149546A (en) * 2012-11-30 2013-06-12 河南工业大学 Portable electric energy measuring terminal comprehensive calibration instrument on site
CN103246224A (en) * 2013-04-27 2013-08-14 国家电网公司 Hand-hold device capable of voice control, voice broadcast and displaying intelligent electric meter information
CN103389411A (en) * 2013-07-24 2013-11-13 江苏斯菲尔电气股份有限公司 Multifunctional watt-hour meter and electric energy data recovery method thereof
CN103426333A (en) * 2013-07-31 2013-12-04 国家电网公司 Electronic answering machine of common faults of electric energy meter
CN104198979A (en) * 2014-08-29 2014-12-10 国家电网公司 Real-time comparison method for measuring running errors of broadband electric energy meters
CN104268992A (en) * 2014-10-20 2015-01-07 国网河南省电力公司漯河供电公司 Intelligent ammeter device
CN108693497A (en) * 2018-06-14 2018-10-23 浙江正泰仪器仪表有限责任公司 A kind of correction method of electric energy meter, electric energy meter and meter correcting system
CN109541297A (en) * 2018-11-06 2019-03-29 国网天津市电力公司电力科学研究院 A kind of electrical energy pulse acquisition device suitable for electronic electric energy meter

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769959B (en) * 2009-12-28 2013-05-01 河北嘉仪电子有限公司 Method for automatically reading electric quantity data in multi-electric energy meter system
CN102074855A (en) * 2010-11-24 2011-05-25 天津大学 Zigbee technology-based wireless intelligent socket for monitoring fine grit electric quantity
CN102435802A (en) * 2011-11-04 2012-05-02 上海建坤信息技术有限责任公司 Energy-saving detection device and method for energy performance contracting
CN103149546A (en) * 2012-11-30 2013-06-12 河南工业大学 Portable electric energy measuring terminal comprehensive calibration instrument on site
CN103149546B (en) * 2012-11-30 2016-03-02 河南工业大学 The field integrated tester of a kind of portable electric energy measuring terminal
CN103246224A (en) * 2013-04-27 2013-08-14 国家电网公司 Hand-hold device capable of voice control, voice broadcast and displaying intelligent electric meter information
CN103389411A (en) * 2013-07-24 2013-11-13 江苏斯菲尔电气股份有限公司 Multifunctional watt-hour meter and electric energy data recovery method thereof
CN103426333A (en) * 2013-07-31 2013-12-04 国家电网公司 Electronic answering machine of common faults of electric energy meter
CN104198979A (en) * 2014-08-29 2014-12-10 国家电网公司 Real-time comparison method for measuring running errors of broadband electric energy meters
CN104198979B (en) * 2014-08-29 2017-08-08 国家电网公司 A kind of real-time comparison method that kinematic error is measured for wideband electric energy meter
CN104268992A (en) * 2014-10-20 2015-01-07 国网河南省电力公司漯河供电公司 Intelligent ammeter device
CN108693497A (en) * 2018-06-14 2018-10-23 浙江正泰仪器仪表有限责任公司 A kind of correction method of electric energy meter, electric energy meter and meter correcting system
CN109541297A (en) * 2018-11-06 2019-03-29 国网天津市电力公司电力科学研究院 A kind of electrical energy pulse acquisition device suitable for electronic electric energy meter

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Granted publication date: 20090128

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