CN207336637U - A kind of intelligent electric meter - Google Patents
A kind of intelligent electric meter Download PDFInfo
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- CN207336637U CN207336637U CN201721246889.7U CN201721246889U CN207336637U CN 207336637 U CN207336637 U CN 207336637U CN 201721246889 U CN201721246889 U CN 201721246889U CN 207336637 U CN207336637 U CN 207336637U
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Abstract
A kind of intelligent electric meter, the intelligent electric meter includes display screen, processor and warning device, the processor includes main control chip, voltage sample module, current sample module, voltage and current signal amplification module, internal electric source, communication module and data processing module, the voltage signal and current signal that the voltage and current signal amplification module is configured as collecting voltage sample module and current sample module are amplified, the data processing module is configured as the amplification magnitude of voltage that will be received and amplification current value is analyzed compared with default threshold values in intelligent electric meter.Intelligent electric meter provided by the utility model, has fault remote monitoring and defencive function automatically, and malfunction monitoring precision is high, rate of false alarm is low, while simplifies electric energy meter field detection process, and when electric energy meter breaks down, realization is easily and efficiently safeguarded.
Description
Technical field
It the utility model is related to electric quantity metering technical field, and in particular to a kind of intelligent electric meter.
Background technology
In general, ammeter usually has one or more active circuitries from main power line, one or more neutral conductors with
A certain home dwelling or one or more loaded line in industrial place are gone to, especially industrial ammeter usually possesses a plurality of come from
Circuit in industrial environment, in actual use, failure are likely to occur in any circuit, gauge internal.
In actual use, power network fluctuation, electromagnetic interference, harmonic wave, high voltage, lightning stroke, static discharge, humiture surpass
Mark, electromagnetic field of high frequency and electrical fast transient (eft) etc. be easy to cause voltage sharp increase on circuit, temperature rise, cause capacitance to damage
Badly include with failure, the major functions that existing intelligent electric meter relates generally to such as voltage stabilizing chip are breakdown：Electrical energy measurement, electric energy meter
Take, data storage, logout, communication, signal output, display, measurement, the multiple functions such as anti-electricity-theft and electricity charge control, generally
Do not possess malfunction monitoring and the function of protection.
2017/0131117 A1 of patent US by electric energy meter set temperature alarm to the temperature in electric energy meter into
Row monitoring, and the fault condition of electric energy meter is monitored by the temperature change in electric energy meter.This application only relies on electric energy meter
Middle temperature change judges failure, since temperature is influenced greatly by outside environmental elements so that monitoring device rate of false alarm is high, prison
It is low to survey precision, and since the field monitoring mode process for electric energy meter is cumbersome, when electric energy meter breaks down, electric energy meter obtains not
To rapid-maintenance, and the workload of staff is larger.
In order to solve problem above, the utility model is proposed hereby.
Utility model content
The purpose of this utility model, is to provide that a kind of malfunction monitoring precision is high, easy to maintain efficiently has failure prison
Survey the intelligent electric meter with defencive function.
What the technical solution of the utility model was realized in：A kind of intelligent electric meter, the intelligent electric meter include display screen,
Processor and warning device, the processor are connected by main circuit breaker with power circuit, and the processor passes through load cut-off
Device is connected with loaded line, and the processor includes main control chip, voltage sample module, current sample module, voltage and current
Signal amplification module, internal electric source, communication module and data processing module, the voltage sample module are configured as collection voltages
Signal, the current sample module are configured as collection current signal, and the voltage and current signal amplification module is configured as
The voltage signal and current signal collected to voltage sample module and current sample module is amplified, the internal electric source quilt
It is configured to power to processor, the communication module can will be through the amplified amplification voltage of voltage and current signal amplification module
Value and amplification current value are transferred to external server, the data processing module be configured as the amplification magnitude of voltage that will be received and
Amplification current value is analyzed compared with default threshold values in intelligent electric meter, and the main control chip is configured as according at data
The analysis result of reason module judges whether that disconnection main circuit breaker and load break switch, the main control chip can be according to data processings
The analysis result of module judges whether the warning device needs to send alarm signal.
Preferably, the voltage and current signal amplification module includes programmable gain amplifier, multiplexer, modulus
Converter, amplification factor control unit, output control signal transmitting element and demultiplexer, the amplification factor control unit quilt
It is configured to send amplification factor control signal to the programmable gain amplifier, indicates to put voltage signal or current signal
Big multiple；The programmable gain amplifier is configured as the times magnification indicated in the amplification factor control signal according to reception
Number, amplifies voltage signal or current signal；The output control signal transmitting element be configured as send output control signal to
Multiplexer, the multiplexer are configured as being exported corresponding input signal to can compile according to the control signal of reception
Journey gain amplifier, the analog-digital converter are configured as the electricity by programmable gain amplifier amplification, signal being converted into
Digital signal, the demultiplexer are configured as the digital signal of analog-digital converter output being demultiplexing as defeated with multiplexer
The corresponding digital signal of signal entered.
Preferably, the output control signal transmitted by the output control signal transmitting element includes first kind output control
Signal and Second Type output control signal processed, the first kind output control signal are voltage signal output control signal,
The Second Type output control signal is current signal output control signal.
Preferably, the multiplexer, for the first kind output control signal according to reception, selects the electricity inputted
Pressure signal output gives the programmable gain amplifier, or the Second Type output control signal according to reception, selects input
Current signal is exported to the programmable gain amplifier.
Preferably, the output control signal transmitting element is frequency divider, for the clock of the analog-digital converter to be believed
Number carry out integral frequency divisioil, generate the first kind output control signal or the Second Type output control signal.
Preferably, the amplification factor control unit, according to the first kind output control signal or described of reception
Second Type output control signal generates the amplification factor control signal.
Preferably, default threshold values includes amplification threshold voltage and amplification current threshold in the intelligent electric meter.
Preferably, the communication module includes CCD high-definition cameras, removes haze processing equipment and image processor, described
The intelligent electric meter that send fault alarm can shoot for CCD high-definition cameras and output image, described to go haze processing to set
It is standby between the CCD high-definition cameras and described image processor, it is described to go haze processing equipment to be taken the photograph to CCD high definitions
The image exported as head carries out defogging processing, and the communication module can be by the image transmitting after defogging is handled to external service
Device.
Preferably, the intelligent electric meter can also be in communication with each other with the second electric energy meter, second electric energy meter and institute
It is adjoining to state intelligent electric meter position, and is powered by same mains supply line, second electric energy meter has and the intelligence
The identical function setting of energy ammeter, second electric energy meter can be by obtaining the operating parameter of the intelligent electric meter to judge
State intelligent electric meter whether failure.
Each module of herein described intelligent electric meter is the prior art, and the application simply carries out these modules creative
Connection, to form new structure and function, and solve particular problem existing in the prior art.Advantageous effects：
A kind of intelligent electric meter provided by the utility model, has fault remote monitoring and defencive function automatically, by using
The variable quantity of enlarged voltage and current signal judges fault condition malfunction monitoring precision is high, rate of false alarm is low, together
When, preliminary collection is carried out to fault message by communication module and is transmitted, electric energy meter field detection process is simplified, in electric energy meter
During failure, realization is easily and efficiently safeguarded.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of intelligent electric meter of the utility model,
Fig. 2 is a kind of voltage and current signal amplification module structure diagram of intelligent electric meter of the utility model,
Fig. 3 is a kind of flow chart of data processing figure of the data processing module of intelligent electric meter of the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, the utility model discloses a kind of intelligent electric meter, the intelligent electric meter includes display screen, processing
Device and warning device, the processor are connected by main circuit breaker with power circuit, the processor by load break switch with
Loaded line connects, and the processor includes main control chip, voltage sample module, current sample module, voltage and current signal
Amplification module, internal electric source, communication module and data processing module, the voltage sample module are configured as collection voltages letter
Number, the current sample module is configured as collection current signal, and the voltage and current signal amplification module is configured as pair
The voltage signal and current signal that voltage sample module and current sample module collect are amplified, the internal electric source by with
It is set to processor and powers, the communication module can will be through the amplified amplification magnitude of voltage of voltage and current signal amplification module
External server is transferred to amplification current value, the amplification magnitude of voltage that the data processing module is configured as receiving and is put
High current value is analyzed compared with default threshold values in intelligent electric meter, and the main control chip is configured as according to data processing
The analysis result of module judges whether that disconnection main circuit breaker and load break switch, the main control chip can be according to data processing moulds
The analysis result of block judges whether the warning device needs to send alarm signal.
The operation principle of the utility model is as follows：Powered by internal electric source, the intelligent electric meter is switched on, intelligent electric meter
By voltage sample module, current sample module collection voltages and current signal, the voltage and current signal by voltage and
Current signal amplification module obtains amplification magnitude of voltage and amplifies current value after being amplified, amplification magnitude of voltage and amplification current value lead to
Cross main control chip and be transmitted to data processing module, data processing module is by the amplification magnitude of voltage received and amplifies current value and intelligence
Default threshold values is analyzed compared with energy ammeter, is judged with the fault condition to electric energy meter, and will judge that result passes
Main control chip is given, electric energy meter produces failure if being judged as, the main control chip sends alarm signal by warning device.Separately
Outside, the electric energy meter can also will amplify magnitude of voltage by communication module and amplification current value sends external server to, with reality
The long-range monitoring and protection of existing electrical energy meter fault.
Further, as shown in Fig. 2, the voltage and current signal amplification module includes programmable gain amplifier, multichannel
Multiplexer, analog-digital converter, amplification factor control unit, output control signal transmitting element and demultiplexer, the times magnification
Number control units are configured as sending amplification factor control signal to the programmable gain amplifier, indicate to voltage signal or
The amplification factor of current signal；The programmable gain amplifier is configured as the amplification factor control signal middle finger according to reception
The amplification factor shown, amplifies voltage signal or current signal；The output control signal transmitting element is configured as sending output
To multiplexer, the multiplexer is configured as corresponding input signal according to the control signal of reception control signal
Export to programmable gain amplifier, the analog-digital converter be configured as will by programmable gain amplifier amplification electricity,
Signal is converted into digital signal, the demultiplexer be configured as by the digital signal of analog-digital converter output be demultiplexing as with it is more
The corresponding digital signal of signal of path multiplexer input.The setting of the voltage and current signal amplification module, on the one hand may be used
To greatly improve the malfunction monitoring precision of electric energy meter and accuracy, on the other hand, the voltage and current signal amplification module can
Different gains is carried out to voltage signal and current signal to control so that voltage and current signal can obtain different times magnifications
Number, realizes the control to voltage signal and current signal different accuracy, can significantly expand voltage that electric energy meter can monitor with
The scope of electric current.
Further, the output control signal transmitted by the output control signal transmitting element is exported including the first kind
Control signal and Second Type output control signal, the first kind output control signal are believed for voltage signal output control
Number, the Second Type output control signal is current signal output control signal.
Further, the multiplexer, for the first kind output control signal according to reception, selects input
Voltage signal is exported to the programmable gain amplifier, or the Second Type output control signal according to reception, selection input
Current signal export to the programmable gain amplifier.
Further, the output control signal transmitting element is frequency divider, for by the analog-digital converter when
Clock signal carries out integral frequency divisioil, generates the first kind output control signal or the Second Type output control signal.
Further, the amplification factor control unit, according to the first kind output control signal of reception or
The Second Type output control signal generates the amplification factor control signal.
As shown in figure 3, further, default threshold values includes amplification threshold voltage and amplification current valve in the intelligent electric meter
Value, the amplification threshold voltage is a preset value, and the amplification current threshold is a preset value.
As shown in Figure 3, it is preferable that the voltage amplification value at T moment can be handled to obtain T by the data processing module
The amplification voltage change at moment, the amplification voltage change at the T moment is the first amplification average voltage and the second amplification
The difference of average voltage, voltage sample module in the t1 periods before the first amplification average voltage is the T moment, voltage and
The average value for multiple pressure values of magnification that current signal amplification module produces；The second amplification average voltage is after the T moment
The average value for multiple pressure values of magnification that voltage sample module, voltage and current signal amplification module produce, the T in the t1 periods
Moment is any particular moment, and the t1 is a preset value.
Preferably, as shown in figure 3, the Current amplifier value at T moment can be handled to obtain T by the data processing module
The amplification current variation value at moment, the amplification current variation value at the T moment is the first amplification current average and the second amplification
The difference of current average, current sample module in the t1 periods before the first amplification current average is the T moment, voltage and
Current signal amplification module produce multiple Current amplifier values average value, it is described second amplification current average for the T moment it
Current sample module, the average value of multiple Current amplifier values of voltage and current signal amplification module generation in the t1 periods afterwards,
The T moment is any particular moment, and the t1 is a preset value.
As shown in figure 3, further, when the T moment, it is defeated that data processing module receives voltage and current signal amplification module
After the voltage amplification value and Current amplifier value that go out, the voltage amplification value at T moment is handled to obtain the amplification electricity at T moment first
Changing value is pressed, then by the amplification voltage change at T moment compared with amplifying threshold voltage, if the amplification voltage at T moment
Changing value is judged to not breaking down no more than amplification threshold voltage, then data processing module；If the amplification voltage change at T moment
Value is more than amplification threshold voltage, then the amplification current variation value further received T time data processing modules and amplification electricity
Stream threshold values is compared, if the amplification current variation value at T moment is more than amplification current threshold, data processing module is to master control core
Piece output alarm signal, if the amplification current variation value at T moment is determined as no more than amplification current threshold, data processing module
Do not break down.The utility model carries out malfunction monitoring using amplification voltage change and amplification current variation value, relative to letter
Single to carry out malfunction monitoring by a certain particular moment or the temperature in a certain special time period or curent change situation, accuracy is more
Height, rate of false alarm can be greatly reduced.
Preferably, the processor can disconnect main circuit breaker or load cut-off according to the comparative result of data processing module
Device, protection is provided to circuit.The server can be generated according to the positional information of fault detection address and the intelligent electric meter
Trouble hunting job order, and trouble hunting job order is sent to the destination mobile terminal apart from the intelligent electric meter shortest path
To prompt staff to be carried out maintenance according to trouble hunting job order to the intelligent electric meter.
The communication module includes CCD high-definition cameras, goes haze processing equipment and image processor, the CCD high definitions
The intelligent electric meter that send fault alarm can shoot for camera and output image, described to go haze processing equipment to be located at institute
State between CCD high-definition cameras and described image processor, it is described to go haze processing equipment to be exported to CCD high-definition cameras
Image carry out defogging processing, the communication module can be by the image transmitting after defogging is handled to external server.It is most
The installation site of electric energy meter only relies on manually more difficult directly arrival, is handled using defogging and is able to ensure that the atrocious weathers such as haze
Picture quality, the communication module is by can to external server, staff by the relevant image transmitting of the failure photographed
According to image and the data such as the voltage of intelligent electric meter, electric current are combined, the fault condition of the intelligent electric meter is tentatively judged,
To simplify field failure testing process, the Fast-Maintenance of failure is realized.
As some embodiments of the utility model, the intelligent electric meter can also carry out phase intercommunication with the second electric energy meter
Letter, second electric energy meter and the intelligent electric meter position are adjoining, and are powered by same mains supply line, and described the
Two electric energy meters have the function setting identical with the intelligent electric meter, and second electric energy meter can be by obtaining the intelligence electricity
The operating parameter of table with judge the intelligent electric meter whether failure.When the intelligent electric meter can not operate normally, the second electric energy
Table can by obtain the operating parameter of the intelligent electric meter with judge the intelligent electric meter whether failure, when judging result indicate
During the intelligent electric meter failure, fault detection address is generated according to judging result, and by fault detection address and described in prestoring
The positional information of intelligent electric meter is sent to server.
In conclusion it is not difficult to draw, a kind of intelligence with the automatic monitoring function of fault remote provided by the utility model
Ammeter, the variable quantity by using enlarged voltage and current signal judge fault condition, malfunction monitoring precision is high,
Rate of false alarm is low, meanwhile, preliminary collection is carried out to fault message by communication module and is transmitted, electric energy meter field is simplified and detected
Journey, when electric energy meter breaks down, realization is easily and efficiently safeguarded.
Each module of herein described intelligent electric meter is the prior art, and the application simply carries out these modules creative
Connection, to form new structure and function, and solve particular problem existing in the prior art.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (9)
- A kind of 1. intelligent electric meter, it is characterised in that：The intelligent electric meter includes display screen, processor and warning device, the place Reason device is connected by main circuit breaker with power circuit, and the processor is connected by load break switch with loaded line, the place Managing device includes main control chip, voltage sample module, current sample module, voltage and current signal amplification module, internal electric source, logical News module and data processing module, the voltage sample module are configured as collection voltages signal, the current sample module quilt Collection current signal is configured to, the voltage and current signal amplification module is configured as to voltage sample module and current sample The voltage signal and current signal that module collects are amplified, and the internal electric source is configured as powering to processor, described Communication module will can be transferred to outer through the amplified amplification magnitude of voltage of voltage and current signal amplification module and amplification current value Portion's server, the data processing module are configured as in the amplification magnitude of voltage that will be received and amplification current value and intelligent electric meter Default threshold values is analyzed compared with, the main control chip be configured as according to the analysis result of data processing module judge be No disconnection main circuit breaker and load break switch, the main control chip can be according to judging the analysis result of data processing module Whether warning device needs to send alarm signal.
- 2. intelligent electric meter according to claim 1, it is characterised in that：The voltage and current signal amplification module includes can Program gain amplifier, multiplexer, analog-digital converter, amplification factor control unit, output control signal transmitting element and Demultiplexer, the amplification factor control unit are configured as sending amplification factor control letter to the programmable gain amplifier Number, indicate the amplification factor to voltage signal or current signal；The programmable gain amplifier is configured as according to reception The amplification factor indicated in amplification factor control signal, amplifies voltage signal or current signal；The output control signal is sent Unit is configured as transmission output control signal and is configured as the control according to reception to multiplexer, the multiplexer Signal exports corresponding input signal to programmable gain amplifier, and the analog-digital converter is configured as by programmable Electricity, the signal of gain amplifier amplification are converted into digital signal, and the demultiplexer is configured as analog-digital converter output Digital signal is demultiplexing as the corresponding digital signal of signal with multiplexer input.
- 3. intelligent electric meter according to claim 2, it is characterised in that：Transmitted by the output control signal transmitting element Output control signal includes first kind output control signal and Second Type output control signal, the first kind output control Signal processed is voltage signal output control signal, and the Second Type output control signal is current signal output control signal.
- 4. intelligent electric meter according to claim 3, it is characterised in that：The multiplexer, for according to reception One type output control signal, selects the voltage signal of input to export to the programmable gain amplifier, or according to reception Second Type output control signal, selects the current signal of input to export to the programmable gain amplifier.
- 5. intelligent electric meter according to claim 3, it is characterised in that：The output control signal transmitting element is frequency dividing Device, for the clock signal of the analog-digital converter to be carried out integral frequency divisioil, generate the first kind output control signal or The Second Type output control signal.
- 6. intelligent electric meter according to claim 3, it is characterised in that：The amplification factor control unit, according to reception The first kind output control signal or the Second Type output control signal generate the amplification factor control signal.
- 7. intelligent electric meter according to claim 1, it is characterised in that：Default threshold values includes amplification in the intelligent electric meter Threshold voltage and amplification current threshold.
- 8. intelligent electric meter according to claim 1, it is characterised in that：The communication module includes CCD high-definition cameras, goes Haze processing equipment and image processor, the CCD high-definition cameras can clap the intelligent electric meter for sending fault alarm Simultaneously output image is taken the photograph, it is described to go haze processing equipment between the CCD high-definition cameras and described image processor, it is described The image that CCD high-definition cameras export can be carried out defogging processing by going haze processing equipment, and the communication module can will be through Image transmitting after defogging processing is to external server.
- 9. intelligent electric meter according to claim 1, it is characterised in that：The intelligent electric meter can also with the second electric energy meter into Row is in communication with each other, and second electric energy meter and the intelligent electric meter position are adjoining, and are supplied by same mains supply line Electricity, second electric energy meter have the function setting identical with the intelligent electric meter, and second electric energy meter can pass through acquisition The operating parameter of the intelligent electric meter with judge the intelligent electric meter whether failure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246889.7U CN207336637U (en) | 2017-09-26 | 2017-09-26 | A kind of intelligent electric meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721246889.7U CN207336637U (en) | 2017-09-26 | 2017-09-26 | A kind of intelligent electric meter |
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| CN207336637U true CN207336637U (en) | 2018-05-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589008A (en) * | 2021-07-12 | 2021-11-02 | 浙江瑞银电子有限公司 | High-precision harmonic three-phase electric energy meter |
| CN113625049A (en) * | 2021-08-20 | 2021-11-09 | 万安裕高电子科技有限公司 | Moisture-proof intelligent electric meter |
| CN113949618A (en) * | 2021-09-01 | 2022-01-18 | 安徽电信规划设计有限责任公司 | Big data-based communication fault early warning system |
| CN114200381A (en) * | 2021-12-10 | 2022-03-18 | 清湖光旭数据科技(北京)有限公司 | System and method for detecting reliability of intelligent electric meter |
-
2017
- 2017-09-26 CN CN201721246889.7U patent/CN207336637U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589008A (en) * | 2021-07-12 | 2021-11-02 | 浙江瑞银电子有限公司 | High-precision harmonic three-phase electric energy meter |
| CN113625049A (en) * | 2021-08-20 | 2021-11-09 | 万安裕高电子科技有限公司 | Moisture-proof intelligent electric meter |
| CN113949618A (en) * | 2021-09-01 | 2022-01-18 | 安徽电信规划设计有限责任公司 | Big data-based communication fault early warning system |
| CN113949618B (en) * | 2021-09-01 | 2023-08-29 | 安徽电信规划设计有限责任公司 | Communication fault early warning system based on big data |
| CN114200381A (en) * | 2021-12-10 | 2022-03-18 | 清湖光旭数据科技(北京)有限公司 | System and method for detecting reliability of intelligent electric meter |
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