CN107238754A - A kind of method and apparatus for detecting electricity - Google Patents
A kind of method and apparatus for detecting electricity Download PDFInfo
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- CN107238754A CN107238754A CN201610188415.5A CN201610188415A CN107238754A CN 107238754 A CN107238754 A CN 107238754A CN 201610188415 A CN201610188415 A CN 201610188415A CN 107238754 A CN107238754 A CN 107238754A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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Abstract
The invention discloses a kind of method and apparatus for detecting electricity, belong to field of computer technology.Methods described includes：During the use electricity of detection targeted loads, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power direction of zero line；When the power direction of the zero line is in opposite direction with predetermined power, the live wire electricity detected is defined as to the use electricity of the targeted loads；When the power direction of the zero line is identical with predetermined power direction, by the maximum in the live wire electricity and zero line electricity that detect, it is defined as the use electricity of the targeted loads.Using the present invention, the degree of accuracy that ammeter detects electricity can be improved.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of method and apparatus for detecting electricity.
Background technology
In life, people are frequently necessary to electricity consumption, and operator typically can be each one ammeter of user installation,
The electrical equipment (can be described as load) of user can be electrically connected with ammeter, and ammeter can then record some
The use electricity for the load being connected with the ammeter in period, and then according to the use electricity of record to the user
Collect the electricity charge.Wherein, the unidirectional ammeter of double loop detection is one of ammeter for being commonly used.
The unidirectional ammeter of double loop detection can be connected with live wire and zero line, when detecting electricity, can be examined respectively
The electricity on electricity and zero line on fire detecting line, obtains live wire electricity and zero line electricity, within certain period,
The unidirectional ammeter of double loop detection can determine whether the maximum in live wire electricity and zero line electricity in the period,
The maximum is defined as to the use electricity of the corresponding load of the ammeter.
During the present invention is realized, inventor has found that prior art at least has problems with：
The situation of zero line grounding occurs in ammeter during work, many times, at this moment, on zero line
Electric current may blow back into the ammeter of certain user, for example, many areas are all using the mode of connection of zero line altogether,
I.e. multiple ammeters share a zero line, when the zero line grounding, if the part ammeter correspondence in multiple ammeters
Load it is larger, then the electric current on zero line can be flowed into the less ammeter of corresponding load so that corresponding negative
The zero line electricity increase of less ammeter is carried, accordingly, the electricity that the ammeter is detected can also be more than in practice
The use electricity of load, causes the ammeter to detect that the degree of accuracy of electricity is relatively low.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of method and dress for detecting electricity
Put.The technical scheme is as follows：
First aspect includes there is provided a kind of method for detecting electricity, methods described：
During the use electricity of detection targeted loads, the live wire electricity of the targeted loads is detected respectively
With zero line electricity, and the power direction of zero line is detected；
When the power direction of the zero line is in opposite direction with predetermined power, the live wire electricity detected is determined
For the use electricity of the targeted loads；
When the power direction of the zero line is identical with predetermined power direction, by the live wire electricity detected and zero
Maximum in line electricity, is defined as the use electricity of the targeted loads.
In force, targeted loads can be the arbitrary load being connected with ammeter.Ammeter can be with least one
Load is electrically connected with, and can be connected respectively with zero line and live wire.When one or more of these loads
Load can detect zero line electricity and live wire electricity respectively in running status (even if during power consumption) ammeter,
And the power direction of zero line can be detected.
Can be stored with predetermined power direction in ammeter, and the predetermined power direction can be forward direction.Ammeter can be with
The power direction of detection zero line in real time, and may determine that whether are the power direction of zero line and predetermined power direction
It is identical.When the power direction that ammeter detects zero line is in opposite direction with predetermined power, illustrate zero in the ammeter
There is exception in the power of line, and the live wire electricity detected can be defined as the use electricity of targeted loads by ammeter.
When the power direction that ammeter detects zero line is in opposite direction with predetermined power, ammeter can stop measuring zero line
Electricity, or, ammeter can also measure zero line electricity, obtain power direction and the predetermined power direction of zero line
In the opposite period, the zero line electricity that ammeter is detected, it is possible to send out the zero line electricity in the period
Server is given, so that technical staff can be analyzed and be handled.When ammeter detects the power side of zero line
To it is identical with predetermined power direction when, illustrate that ammeter is working properly, ammeter can determine currently detected fire
Maximum in line electricity and zero line power, the maximum is defined as the use electricity of targeted loads.
With reference in a first aspect, in the first possible implementation of the first aspect, the detection zero line
Power direction, including：
Circuit is detected by power direction, the power direction of zero line is detected.
With reference in a first aspect, in the first possible implementation of the first aspect, the of the first aspect
It is described that circuit is detected by power direction in two kinds of possible implementations, detect the power direction of zero line, bag
Include：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
Can be stored with predetermined current direction and predeterminated voltage direction in ammeter, predetermined current mode and default electricity
Pressure direction can be ammeter in normal work, the sense of current and voltage direction on zero line, predetermined current side
Formula and predeterminated voltage direction are properly termed as forward direction, and predetermined current direction can be opposite with the sense of current on live wire.
Power direction detection circuit can detect the sense of current and voltage direction on zero line, according to the electric current detected
Direction and the voltage direction, determine the power direction on the zero line.
With reference in a first aspect, in the third possible implementation of the first aspect, methods described also includes：
When the power direction of the zero line is in opposite direction with predetermined power, sends zero line to server and reversely report
The ammeter mark prestored is carried in alert message, the reverse warning message of zero line.
In force, can be stored with predetermined power direction in ammeter, and the predetermined power direction can be forward direction.
Ammeter can detect the power direction of zero line in real time, and may determine that the power direction and predetermined power of zero line
Whether direction is identical.When the power direction that ammeter detects zero line is in opposite direction with predetermined power, illustrate this
There is exception in the power of zero line in ammeter, and ammeter can obtain the ammeter mark locally prestored, the ammeter
Mark can be the label or other ammeters mark of ammeter.Ammeter can send zero line to server
The ammeter mark prestored can be carried in reverse warning message, the reverse warning message of the zero line.
So, technical staff can know that the zero line power of the ammeter is abnormal, so as to enter in time to ammeter
Row maintenance and adjustment.
It is described in detection target with reference in a first aspect, in the 4th kind of possible implementation of the first aspect
During the use electricity of load, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and
The power direction of zero line is detected, including：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
In force, zero line pin and live wire pin can be provided with ammeter, wherein, zero line pin can be with
With zero line connection, live wire pin can be connected with live wire.Ammeter can detect that zero line pin and live wire draw respectively
The magnitude of voltage of pin, if ammeter detects zero line pin, corresponding magnitude of voltage persistently changes, and live wire pin
Magnitude of voltage persistently changes, then it is the unidirectional ammeter that double loop is detected to illustrate the ammeter, and the ammeter can be in detection
During the use electricity of targeted loads, the live wire electricity and zero line electricity of targeted loads are detected respectively, and
Detect the power direction of zero line.If ammeter only detects live wire pin, corresponding magnitude of voltage persistently changes, and
The magnitude of voltage of zero line pin keeps constant, then it is the unidirectional ammeter that single loop is detected, the ammeter to illustrate the ammeter
The live wire electricity of targeted loads can may only be detected during the use electricity of detection targeted loads.
With reference in a first aspect, in the 5th kind of possible implementation of the first aspect, the predetermined power side
To for forward direction.
Second aspect includes processor and memory there is provided a kind of device for detecting electricity, described device：
The processor, for during the use electricity of detection targeted loads, the mesh to be detected respectively
The live wire electricity and zero line electricity of load are marked, and detects the power direction on zero line；
The processor, is additionally operable to the power direction when the zero line and the predetermined power of the memory storage
When in opposite direction, the live wire electricity detected is defined as to the use electricity of the targeted loads；
The processor, is additionally operable to, when the power direction of the zero line is identical with predetermined power direction, to examine
Maximum in the live wire electricity and zero line electricity that measure, is defined as the use electricity of the targeted loads.
With reference to second aspect, in the first possible implementation of the second aspect, the processor, also
For：
Circuit is detected by power direction, the power direction of zero line is detected.
With reference to the first possible implementation of second aspect, second in the second aspect may realization side
In formula, the processor is additionally operable to：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
With reference to second aspect, in the third possible implementation of the second aspect, described device also includes
Transceiver；
The transceiver, for when the power direction of the zero line is in opposite direction with predetermined power, to service
Device sends in the reverse warning message of zero line, the reverse warning message of zero line and carries the ammeter mark prestored
Know.
With reference to second aspect, in the 4th kind of possible implementation of the second aspect, the processor, also
For：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
With reference to second aspect, in the 5th kind of possible implementation of the second aspect, the predetermined power side
To for forward direction.
The third aspect includes there is provided a kind of device for detecting electricity, described device：
Detection module, for during the use electricity of detection targeted loads, the target to be detected respectively
The live wire electricity and zero line electricity of load, and detect the power direction of zero line；
Determining module, for when the power direction of the zero line is in opposite direction with predetermined power, will detect
Live wire electricity be defined as the use electricity of the targeted loads；
The determining module, is additionally operable to when the power direction of the zero line is identical with predetermined power direction, will
Maximum in the live wire electricity and zero line electricity that detect, is defined as the use electricity of the targeted loads.
With reference to the third aspect, in the first possible implementation of the third aspect, the detection module,
For：
Circuit is detected by power direction, the power direction of zero line is detected.
With reference to the first possible implementation of the third aspect, second in the third aspect may realization side
In formula, the detection module is used for：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
With reference to the third aspect, in the third possible implementation of the third aspect, described device also includes：
Sending module, for when the power direction of the zero line is in opposite direction with predetermined power, to server
Send the ammeter mark for carrying and prestoring in the reverse warning message of zero line, the reverse warning message of zero line.
With reference to the third aspect, in the 4th kind of possible implementation of the third aspect, the detection module,
For：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
With reference to the third aspect, in the 5th kind of possible implementation of the third aspect, the predetermined power side
To for forward direction.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
In the embodiment of the present invention, during the use electricity of detection targeted loads, detect that target is born respectively
The live wire electricity and zero line electricity of load, and the power direction of zero line is detected, when the power direction of zero line is with presetting
When power direction is opposite, the live wire electricity detected is defined as to the use electricity of targeted loads, when zero line
When power direction is identical with predetermined power direction, by the maximum in the live wire electricity and zero line electricity that detect,
It is defined as the use electricity of targeted loads, so, when zero line electricity is abnormal, live wire electricity can be determined
For the use electricity of targeted loads, it is to avoid the electricity increase for causing ammeter to detect because zero line electricity increases occur
Situation, so as to improve ammeter detect electricity the degree of accuracy.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, institute in being described below to embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of system framework figure provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of ammeter provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of ammeter provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow diagram for detecting electricity provided in an embodiment of the present invention；
Fig. 5 is a kind of method flow diagram for detecting electricity provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of device for detecting electricity provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of device for detecting electricity provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
The embodiments of the invention provide a kind of method for detecting electricity, the executive agent of this method is ammeter.Its
In, the ammeter can be the instrument with electric quantity metering function, such as the unidirectional ammeter of double loop detection.Operation
Business can be typically each one ammeter of user installation, for example, can be each for the resident family in certain building
Family is installed by one ammeter.The electrical equipment (can be described as load) of user can be electrically connected with, ammeter with ammeter
The loaded use electricity of institute being connected in some period with the ammeter can be recorded, and then according to record
Use electricity collect the electricity charge to the user.In addition, in the present embodiment, ammeter can be connected with server,
To send message to server.As shown in figure 1, being the system framework figure of the present embodiment, including electricity
Table, load and server.When setting ammeter, ammeter can be connected with live wire and zero line respectively, in detection
During electricity, ammeter can detect the electricity on electricity and zero line on live wire respectively, obtain live wire electricity and zero
Line electricity, as shown in Figure 2.
Fig. 3 shows a kind of structural representation of ammeter provided in an embodiment of the present invention, and ammeter can include place
Manage device 310, memory 320 and transceiver 330, transceiver 330 and memory 320 can respectively with processing
Device 310 is connected.Transceiver 330 can be used for messaging or data, and transceiver 330 can be included but not
It is limited to antenna, at least one amplifier, tuner, one or more oscillators, coupler, LNA (Low
Noise Amplifier, low-noise amplifier), duplexer etc..Transceiver 330 can be by the simulation received
Signal, is converted into data signal, then data signal is sent into processor 310, so that processor 310 can be with
The data received are handled.Processor 310 can be the control centre of ammeter, utilize various interfaces
With the various pieces of the whole ammeter of connection, such as transceiver 330 and memory 320, by operation or
Perform and be stored in software program and/or module in memory 320, and call and be stored in memory 320
Data, perform ammeter various functions and processing data so as to ammeter carry out integral monitoring.Optionally,
Processor 310 can include one or more processing units；It is preferred that, processor 310 can be at integrated application
Device and modem processor are managed, wherein, application processor mainly handles operating system, modulation /demodulation processing
Device mainly handles radio communication.Processor 310 can also be digital signal processor, application specific integrated circuit,
Field programmable gate array or other PLDs etc..Memory 320 can be used for storage software journey
Sequence and module, processor 310 are stored in the software program and module of memory 320 by operation, from
And perform various function application and the data processing of ammeter.Memory 320 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area；Storage data field can be stored according to electricity
Data for producing or receiving in use of table etc..In addition, memory 320 can include at a high speed with
Machine accesses memory, can also include nonvolatile memory, for example, at least one disk memory, sudden strain of a muscle
Memory device or other volatile solid-state parts.
As shown in figure 4, the processing procedure of this method can be as follows：
Step 401, during the use electricity of detection targeted loads, the live wire of targeted loads is detected respectively
Electricity and zero line electricity, and detect the power direction of zero line.
Wherein, targeted loads can be the arbitrary load being connected with ammeter.
In force, ammeter can with least one load be electrically connected with, and can respectively with zero line and fire
Line is connected.When one or more of these loads load is in running status (even if power consumption), electricity
Table can detect zero line electricity and live wire electricity respectively, and can detect the power direction of zero line.Ammeter can
When often reaching the first predetermined period, to detect the power direction of zero line, the work(of zero line can also be detected in real time
Rate direction.
Optionally, can first judge ammeter whether be double loop detection unidirectional ammeter, accordingly, step 101
Processing procedure can be as follows：The magnitude of voltage of zero line pin and live wire pin is detected respectively, if zero line pin
Corresponding magnitude of voltage persistently changes, and the magnitude of voltage of live wire pin persistently changes, then in detection targeted loads
During using electricity, the live wire electricity and zero line electricity of targeted loads are detected respectively, and detect zero line
Power direction.
In force, zero line pin and live wire pin can be provided with ammeter, wherein, zero line pin can be with
With zero line connection, live wire pin can be connected with live wire.Ammeter can detect that zero line pin and live wire draw respectively
The magnitude of voltage of pin, if ammeter detects zero line pin, corresponding magnitude of voltage persistently changes, and live wire pin
Magnitude of voltage persistently changes, then it is the unidirectional ammeter that double loop is detected to illustrate the ammeter, and the ammeter can be in detection
During the use electricity of targeted loads, the live wire electricity and zero line electricity of targeted loads are detected respectively, and
Detect the power direction of zero line.If ammeter only detects live wire pin, corresponding magnitude of voltage persistently changes, and
The magnitude of voltage of zero line pin keeps constant, then it is the unidirectional ammeter that single loop is detected, the ammeter to illustrate the ammeter
During the use electricity of detection targeted loads, the live wire electricity of targeted loads is only detected.
Optionally, ammeter can detect circuit by power direction, detect the power direction of zero line.
In force, the power direction for detecting power direction can be previously provided with ammeter and detects circuit,
Power direction detection circuit can be electrically connected with zero line, to detect the power direction of zero line.The power side
Can be using the circuit that there is power direction to detect function in the prior art, power direction detection to detection circuit
Circuit can be a single circuit, can also be integrated in electric energy computation chip, the electric energy computation chip
Electric energy computation chip of the prior art can be used, for example, the chip can be TI (Texas
Instruments, Texas Instrument) computation chip.
Optionally, ammeter can be according to the sense of current and voltage direction on zero line, to determine the power of zero line
Direction, corresponding processing procedure can be as follows：Electric current on circuit, detection zero line is detected by power direction
Direction and voltage direction；According to the sense of current and the voltage direction, the power side of the zero line is determined
To.
In force, can be stored with predetermined current direction and predeterminated voltage direction, predetermined current side in ammeter
Formula and predeterminated voltage direction can be ammeter in normal work, the sense of current and voltage direction on zero line,
Predetermined current mode and predeterminated voltage direction are properly termed as forward direction, and predetermined current direction can be with the electricity on live wire
Stream is in opposite direction.Power direction detection circuit can detect the sense of current and voltage direction on zero line, according to
The sense of current and the voltage direction detected, determines the power direction on the zero line.If for example,
It is reverse to detect the sense of current, and voltage direction is forward direction, then the power direction that can be determined that zero line is reverse；
If it is forward direction to detect the sense of current, voltage direction is reverse, then the power direction that can be determined that zero line is
Reversely；If it is forward direction to detect the sense of current, voltage direction is also forward direction, then can be determined that the work(of zero line
Rate direction is forward direction；If it is reverse to detect the sense of current, voltage direction is also reverse, then can be determined that
The power direction of zero line is forward direction.
Step 402, when the power direction of zero line is in opposite direction with predetermined power, by the live wire electricity detected
It is defined as the use electricity of targeted loads.
In force, can be stored with predetermined power direction in ammeter, and the predetermined power direction can be ammeter
In normal work, the power direction of zero line, predetermined power direction can be forward direction.Ammeter can be examined in real time
The power direction of zero line is surveyed, and may determine that whether the power direction of zero line is identical with predetermined power direction.
When the power direction that ammeter detects zero line is in opposite direction with predetermined power, illustrate the work(of zero line in the ammeter
There is exception in rate, and the live wire electricity detected can be defined as the use electricity of targeted loads by ammeter.Work as electricity
When table detects the power direction and predetermined power in opposite direction of zero line, ammeter can stop measuring zero line electricity,
Or, ammeter can also measure zero line electricity, obtain the power direction of zero line and predetermined power in opposite direction
In period, the zero line electricity that ammeter is detected, it is possible to which the zero line electricity in the period is sent to clothes
Business device, so that technical staff can be analyzed and be handled.
Optionally, when the power direction that ammeter detects zero line is in opposite direction with predetermined power, it can also enter
Row alert process, corresponding processing procedure can be as follows：When the power direction and predetermined power direction phase of zero line
Inverse time, the reverse warning message of zero line is sent to server.
In force, can be stored with predetermined power direction in ammeter, and the predetermined power direction can be forward direction.
Ammeter can detect the power direction of zero line in real time, and may determine that the power direction and predetermined power of zero line
Whether direction is identical.When the power direction that ammeter detects zero line is in opposite direction with predetermined power, illustrate this
There is exception in the power of zero line in ammeter, and ammeter can obtain the ammeter mark locally prestored, the ammeter
Mark can be the label or other ammeters mark of ammeter.Ammeter can send zero line to server
Reverse warning message, so that technical staff can know that the zero line power of the ammeter is abnormal, so as to timely
Ammeter is repaired and adjusted.
Step 403, when the power direction of zero line is identical with predetermined power direction, by the live wire electricity detected
With the maximum in zero line electricity, it is defined as the use electricity of targeted loads.
In force, can be stored with predetermined power direction in ammeter, and the predetermined power direction can be forward direction.
Ammeter can detect the power direction of zero line in real time, and may determine that the power direction and predetermined power of zero line
Whether direction is identical.When the power direction that ammeter detects zero line is identical with predetermined power direction, illustrate electricity
Table is working properly, and ammeter can determine the maximum in currently detected live wire electricity and zero line power, will
The maximum is defined as the use electricity of targeted loads.
In the embodiment of the present invention, during the use electricity of detection targeted loads, detect that target is born respectively
The live wire electricity and zero line electricity of load, and the power direction of zero line is detected, when the power direction of zero line is with presetting
When power direction is opposite, the live wire electricity detected is defined as to the use electricity of targeted loads, when zero line
When power direction is identical with predetermined power direction, by the maximum in the live wire electricity and zero line electricity that detect,
It is defined as the use electricity of targeted loads, so, when zero line electricity is abnormal, live wire electricity can be determined
For the use electricity of targeted loads, it is to avoid the electricity increase for causing ammeter to detect because zero line electricity increases occur
Situation, so as to improve ammeter detect electricity the degree of accuracy.
The embodiments of the invention provide a kind of method for detecting electricity, as shown in figure 5, this method is treated
Journey can be as follows：
Step 501, it is electric on ammeter.
Step 502, judge ammeter whether be double loop detection unidirectional ammeter.
Zero line pin and live wire pin can be provided with ammeter, wherein, zero line pin can be connected with zero line,
Live wire pin can be connected with live wire.Ammeter can detect the magnitude of voltage of zero line pin and live wire pin respectively,
If ammeter detects zero line pin, corresponding magnitude of voltage persistently changes, and the magnitude of voltage of live wire pin persistently becomes
Change, then it is the unidirectional ammeter that double loop is detected to illustrate the ammeter, performs step 503；If ammeter is only detected
The corresponding magnitude of voltage of live wire pin persistently changes, and the magnitude of voltage of zero line pin keeps constant, then illustrates the electricity
Table is the unidirectional ammeter that single loop is detected, performs step 504.
Step 503, the live wire electricity and zero line electricity of targeted loads are detected respectively, and detect the power side of zero line
To.
Wherein, targeted loads can be the arbitrary load being connected with ammeter.
In force, ammeter can be electrically connected with least one load, and can be respectively at zero line and fire
Line is connected.When one or more of these loads load is in running status (even if during power consumption) ammeter
Zero line electricity and live wire electricity can be detected respectively, and can detect the power direction of zero line.Can in ammeter
Circuit is detected with the power direction being previously provided with for detecting power direction, power direction detection circuit can
To be electrically connected with zero line, to detect the power direction of zero line.Power direction detection circuit can be using existing
There is the circuit in technology with power direction detection function, power direction detection circuit can be one single
Circuit, can also be integrated in electric energy computation chip, and the electric energy computation chip can use of the prior art
Electric energy computation chip, for example, the chip can be TI (Texas Instruments, Texas Instrument) metering core
Piece.Ammeter when often reaching the first predetermined period, can detect the power direction of zero line, can also examine in real time
Survey the power direction of zero line.
Step 504, the live wire electricity of targeted loads is detected.
In force, if the ammeter is the unidirectional ammeter that single loop is detected, in making for detection targeted loads
During power consumption, the ammeter can only detect the live wire electricity of targeted loads.
Step 505, judge whether the power direction of zero line is identical with predetermined power direction.
In force, can be stored with predetermined power direction in ammeter, and the predetermined power direction can be forward direction.
Ammeter can detect the power direction of zero line in real time, and may determine that the power direction and predetermined power of zero line
Whether direction is identical.When the power direction that ammeter detects zero line is in opposite direction with predetermined power, step is performed
Rapid 506；When the power direction that ammeter detects zero line is identical with predetermined power direction, step 507 is performed.
Step 506, live wire electricity is defined as to the use electricity of targeted loads.
In force, when the power direction that ammeter detects zero line is in opposite direction with predetermined power, this is illustrated
There is exception in the power of zero line in ammeter, and currently detected live wire electricity can be defined as target by the ammeter
The use electricity of load.When the power direction that ammeter detects zero line is in opposite direction with predetermined power, ammeter
It can stop measuring zero line electricity, or, ammeter can also measure zero line electricity, obtain the power side of zero line
Into the period in opposite direction with predetermined power, the zero line electricity that ammeter is detected, it is possible to by the time
Zero line electricity in section is sent to server, so that technical staff can be analyzed and be handled.
Step 507, by the maximum in live wire electricity and zero line electricity, it is defined as the use electricity of targeted loads.
In force, when the power direction that ammeter detects zero line is identical with predetermined power direction, electricity is illustrated
Table is working properly, and ammeter can determine the maximum in currently detected live wire electricity and zero line power, will
The maximum is defined as the use electricity of targeted loads.
Step 508, terminate.
In the embodiment of the present invention, during the use electricity of detection targeted loads, detect that target is born respectively
The live wire electricity and zero line electricity of load, and the power direction of zero line is detected, when the power direction of zero line is with presetting
When power direction is opposite, the live wire electricity detected is defined as to the use electricity of targeted loads, when zero line
When power direction is identical with predetermined power direction, by the maximum in the live wire electricity and zero line electricity that detect,
It is defined as the use electricity of targeted loads, so, when zero line electricity is abnormal, live wire electricity can be determined
For the use electricity of targeted loads, it is to avoid the electricity increase for causing ammeter to detect because zero line electricity increases occur
Situation, so as to improve ammeter detect electricity the degree of accuracy.
Based on identical technical concept, the embodiment of the present invention additionally provides a kind of device for detecting electricity, such as Fig. 3
Shown, the device includes processor 310, memory 320 and transceiver 330, wherein：
The processor 310, for during the use electricity of detection targeted loads, detecting respectively described
The live wire electricity and zero line electricity of targeted loads, and detect the power direction of zero line；
The processor 310, be additionally operable to that power direction when the zero line and the memory 320 store is pre-
If power direction is opposite, the live wire electricity detected is defined as to the use electricity of the targeted loads；
The processor 310, is additionally operable to when the power direction of the zero line is identical with predetermined power direction, will
Maximum in the live wire electricity and zero line electricity that detect, is defined as the use electricity of the targeted loads.
In force, targeted loads can be the arbitrary load being connected with ammeter.Ammeter can be with least one
Load is electrically connected with, and can be connected respectively with zero line and live wire.When one or more of these loads
Load can detect zero line electricity and live wire respectively in running status (even if during power consumption) processor 310
Electricity, and the power direction of zero line can be detected.
Can be stored with predetermined power direction in memory 320, and the predetermined power direction can be forward direction.Place
Reason device 310 can detect the power direction of zero line in real time, and may determine that the power direction of zero line with presetting
Whether power direction is identical.When the power direction for detecting zero line is in opposite direction with predetermined power, illustrate this
There is exception in the power of zero line in ammeter, and the live wire electricity detected can be defined as target by processor 310
The use electricity of load.When the power direction for detecting zero line is in opposite direction with predetermined power, processor 310
It can stop measuring zero line electricity, or, processor 310 can also measure zero line electricity, obtain zero line
Power direction and the zero line electricity in the predetermined power period in opposite direction, when transceiver 330 can be by this
Between zero line electricity in section be sent to server, so that technical staff can be analyzed and be handled.Work as detection
To zero line power direction it is identical with predetermined power direction when, illustrate that ammeter is working properly, processor 310 can
To determine the maximum in currently detected live wire electricity and zero line power, the maximum is defined as target
The use electricity of load.
Optionally, the processor 310, is additionally operable to：
Circuit is detected by power direction, the power direction of zero line is detected.
Optionally, the processor 310, is additionally operable to：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
In force, can be stored with predetermined current direction and predeterminated voltage direction in memory 320, preset
Current system and predeterminated voltage direction can be ammeter in normal work, the sense of current and voltage on zero line
Direction, predetermined current mode and predeterminated voltage direction are properly termed as forward direction, and predetermined current direction can be with live wire
On the sense of current it is opposite.Processor 310 can detect the electric current on electric circuit inspection zero line by power direction
Direction and voltage direction, according to the sense of current and the voltage direction detected, are determined on the zero line
Power direction.
Optionally, described device also includes transceiver 330；
The transceiver 330, for when the power direction of the zero line is in opposite direction with predetermined power, to clothes
Business device, which is sent in the reverse warning message of zero line, the reverse warning message of zero line, carries the ammeter prestored
Mark.
In force, can be stored with predetermined power direction in memory 320, and the predetermined power direction can be with
For forward direction.Processor 310 can detect the power direction of zero line in real time, and may determine that the power of zero line
Whether direction is identical with predetermined power direction.When processor 310 detects the power direction and default work(of zero line
When rate is in opposite direction, illustrate that exception occurs in the power of zero line in the ammeter, processor 310 can be obtained locally
The ammeter mark prestored, ammeter mark can be the label or other ammeters mark of ammeter.
Transceiver 330 can send the reverse warning message of zero line to server, can be with the reverse warning message of the zero line
The ammeter mark prestored is carried, so that technical staff can know that the zero line power of the ammeter is abnormal,
So as to be repaired and adjusted to ammeter in time.
Optionally, the processor 310, is additionally operable to：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
In force, zero line pin and live wire pin can be provided with ammeter, wherein, zero line pin can be with
With zero line connection, live wire pin can be connected with live wire.Processor 310 can detect respectively zero line pin and
The magnitude of voltage of live wire pin, if processor 310 detects zero line pin, corresponding magnitude of voltage persistently changes,
And the magnitude of voltage of live wire pin persistently changes, then it is the unidirectional ammeter that double loop is detected, the electricity to illustrate the ammeter
Table can detection targeted loads use electricity during, respectively detect targeted loads live wire electricity and
Zero line electricity, and detect the power direction of zero line.If it is corresponding that processor 310 only detects live wire pin
Magnitude of voltage persistently changes, and the magnitude of voltage of zero line pin keeps constant, then illustrates that the ammeter detects for single loop
Unidirectional ammeter, processor 310 detection targeted loads use electricity during, mesh may only be detected
Mark the live wire electricity of load.
Optionally, the predetermined power direction is forward direction.
In the embodiment of the present invention, during the use electricity of detection targeted loads, detect that target is born respectively
The live wire electricity and zero line electricity of load, and the power direction of zero line is detected, when the power direction of zero line is with presetting
When power direction is opposite, the live wire electricity detected is defined as to the use electricity of targeted loads, when zero line
When power direction is identical with predetermined power direction, by the maximum in the live wire electricity and zero line electricity that detect,
It is defined as the use electricity of targeted loads, so, when zero line electricity is abnormal, live wire electricity can be determined
For the use electricity of targeted loads, it is to avoid the electricity increase for causing ammeter to detect because zero line electricity increases occur
Situation, so as to improve ammeter detect electricity the degree of accuracy.
Based on identical technical concept, the embodiment of the present invention additionally provides a kind of device for detecting electricity, such as Fig. 6
Shown, described device includes：
Detection module 610, for during the use electricity of detection targeted loads, the mesh to be detected respectively
The live wire electricity and zero line electricity of load are marked, and detects the power direction of zero line；
Determining module 620, for when the power direction of the zero line is in opposite direction with predetermined power, will detect
To live wire electricity be defined as the use electricity of the targeted loads；
The determining module 620, is additionally operable to when the power direction of the zero line is identical with predetermined power direction,
By the maximum in the live wire electricity and zero line electricity that detect, it is defined as the use electricity of the targeted loads.
In force, targeted loads can be the arbitrary load being connected with ammeter.Detection module 610 can be with
At least one load is electrically connected with, and can be connected respectively with zero line and live wire.One in these loads
Individual or multiple loads can detect zero line respectively in running status (even if during power consumption) detection module 610
Electricity and live wire electricity, and the power direction of zero line can be detected.
Can be stored with predetermined power direction in determining module 620, and the predetermined power direction can be forward direction.
Detection module 610 can detect the power direction of zero line in real time, and determining module 620 may determine that the work(of zero line
Whether rate direction is identical with predetermined power direction.When detection module 610 detect the power direction of zero line with it is pre-
If power direction is opposite, illustrate that the power of zero line in the ammeter occurs abnormal, determining module 620 can be by
The live wire electricity detected is defined as the use electricity of targeted loads.When detection module 610 detects zero line
When power direction and predetermined power in opposite direction, detection module 610 can stop measuring zero line electricity.Work as inspection
Survey module 610 detect zero line power direction it is identical with predetermined power direction when, illustrate that ammeter is working properly,
Determining module 620 can determine the maximum in currently detected live wire electricity and zero line power, by this most
Big value is defined as the use electricity of targeted loads.
Optionally, the detection module 610, is used for：
Circuit is detected by power direction, the power direction of zero line is detected.
Optionally, the detection module 610, is used for：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
In force, can be stored with predetermined current direction and predeterminated voltage direction in detection module 610, in advance
If current system and predeterminated voltage direction can be ammeter in normal work, the sense of current and electricity on zero line
Direction is pressed, predetermined current mode and predeterminated voltage direction are properly termed as forward direction, and predetermined current direction can be with fire
The sense of current on line is opposite.Detection module 610 can be detected on electric circuit inspection zero line by power direction
The sense of current and voltage direction, according to the sense of current and the voltage direction detected, determine the zero line
On power direction.
Optionally, as shown in fig. 7, described device also includes：
Sending module 630, for when the power direction of the zero line is in opposite direction with predetermined power, to service
Device sends in the reverse warning message of zero line, the reverse warning message of zero line and carries the ammeter mark prestored
Know.
In force, can be stored with predetermined power direction in determining module 620, and the predetermined power direction can
Think forward direction.Detection module 610 can detect the power direction of zero line in real time, and determining module 620 can be sentenced
Whether the power direction of line off zero is identical with predetermined power direction.When detection module 610 detects the work(of zero line
When rate direction and predetermined power are in opposite direction, illustrate that the power of zero line in the ammeter occurs abnormal, ammeter can be with
Obtain locally prestore ammeter mark, the ammeter mark can be ammeter label or other
Ammeter is identified.Sending module 630 can send the reverse warning message of zero line to server, so that technical staff
It can know that the zero line power of the ammeter is abnormal, so as to be repaired and adjusted to ammeter in time.
Optionally, the detection module 610, is used for：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
In force, zero line pin and live wire pin can be provided with ammeter, wherein, zero line pin can be with
With zero line connection, live wire pin can be connected with live wire.Detection module 610 can detect zero line pin respectively
With the magnitude of voltage of live wire pin, if detection module 610 detects zero line pin, corresponding magnitude of voltage persistently becomes
Change, and the magnitude of voltage of live wire pin persistently changes, then it is the unidirectional ammeter that double loop is detected to illustrate the ammeter,
Detection module 610 can detect targeted loads respectively during the use electricity of detection targeted loads
Live wire electricity and zero line electricity, and detect the power direction of zero line.If detection module 610 only detects fire
The corresponding magnitude of voltage of wire pin persistently changes, and the magnitude of voltage of zero line pin keeps constant, then illustrates the ammeter
For single loop detect unidirectional ammeter, detection module 610 detection targeted loads use electricity during,
The live wire electricity of targeted loads may only be detected.
Optionally, the predetermined power direction is forward direction.
In the embodiment of the present invention, during the use electricity of detection targeted loads, detect that target is born respectively
The live wire electricity and zero line electricity of load, and the power direction of zero line is detected, when the power direction of zero line is with presetting
When power direction is opposite, the live wire electricity detected is defined as to the use electricity of targeted loads, when zero line
When power direction is identical with predetermined power direction, by the maximum in the live wire electricity and zero line electricity that detect,
It is defined as the use electricity of targeted loads, so, when zero line electricity is abnormal, live wire electricity can be determined
For the use electricity of targeted loads, it is to avoid the electricity increase for causing ammeter to detect because zero line electricity increases occur
Situation, so as to improve ammeter detect electricity the degree of accuracy.
It should be noted that：Above-described embodiment provide detection electricity device detect electricity when, only more than
The division progress of each functional module is stated for example, in practical application, can be as needed and by above-mentioned functions
Distribute and completed by different functional modules, i.e., the internal structure of equipment is divided into different functional modules, with
Complete all or part of function described above.In addition, the device for the detection electricity that above-described embodiment is provided
With detecting that the embodiment of the method for electricity belongs to same design, it implements process and refers to embodiment of the method, this
In repeat no more.
One of ordinary skill in the art will appreciate that realizing all or part of step of above-described embodiment can pass through
Hardware is completed, and the hardware of correlation can also be instructed to complete by program, described program can be stored in
In a kind of computer-readable recording medium, storage medium mentioned above can be read-only storage, disk or
CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in the present invention's
Within protection domain.
Claims (18)
1. a kind of method for detecting electricity, it is characterised in that methods described includes：
During the use electricity of detection targeted loads, the live wire electricity of the targeted loads is detected respectively
With zero line electricity, and the power direction of zero line is detected；
When the power direction of the zero line is in opposite direction with predetermined power, the live wire electricity detected is determined
For the use electricity of the targeted loads；
When the power direction of the zero line is identical with predetermined power direction, by the live wire electricity detected and zero
Maximum in line electricity, is defined as the use electricity of the targeted loads.
2. according to the method described in claim 1, it is characterised in that the power direction of the detection zero line,
Including：
Circuit is detected by power direction, the power direction of zero line is detected.
3. method according to claim 2, it is characterised in that described that circuit is detected by power direction,
The power direction of zero line is detected, including：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
4. according to the method described in claim 1, it is characterised in that methods described also includes：
When the power direction of the zero line is in opposite direction with predetermined power, sends zero line to server and reversely report
The ammeter mark prestored is carried in alert message, the reverse warning message of zero line.
5. according to the method described in claim 1, it is characterised in that the use in detection targeted loads
During electricity, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect zero line
Power direction, including：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
6. according to the method described in claim 1, it is characterised in that the predetermined power direction is forward direction.
7. a kind of device for detecting electricity, it is characterised in that described device includes processor and memory：
The processor, for during the use electricity of detection targeted loads, the mesh to be detected respectively
The live wire electricity and zero line electricity of load are marked, and detects the power direction of zero line；
The processor, is additionally operable to the power direction when the zero line and the predetermined power of the memory storage
When in opposite direction, the live wire electricity detected is defined as to the use electricity of the targeted loads；
The processor, is additionally operable to, when the power direction of the zero line is identical with predetermined power direction, to examine
Maximum in the live wire electricity and zero line electricity that measure, is defined as the use electricity of the targeted loads.
8. device according to claim 7, it is characterised in that the processor, is additionally operable to：
Circuit is detected by power direction, the power direction of zero line is detected.
9. device according to claim 8, it is characterised in that the processor, is additionally operable to：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
10. device according to claim 7, it is characterised in that described device also includes transceiver；
The transceiver, for when the power direction of the zero line is in opposite direction with predetermined power, to service
Device sends in the reverse warning message of zero line, the reverse warning message of zero line and carries the ammeter mark prestored
Know.
11. device according to claim 7, it is characterised in that the processor, is additionally operable to：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
12. device according to claim 7, it is characterised in that the predetermined power direction is forward direction.
13. a kind of device for detecting electricity, it is characterised in that described device includes：
Detection module, for during the use electricity of detection targeted loads, the target to be detected respectively
The live wire electricity and zero line electricity of load, and detect the power direction of zero line；
Determining module, for when the power direction of the zero line is in opposite direction with predetermined power, will detect
Live wire electricity be defined as the use electricity of the targeted loads；
The determining module, is additionally operable to when the power direction of the zero line is identical with predetermined power direction, will
Maximum in the live wire electricity and zero line electricity that detect, is defined as the use electricity of the targeted loads.
14. device according to claim 13, it is characterised in that the detection module, is used for：
Circuit is detected by power direction, the power direction of zero line is detected.
15. device according to claim 14, it is characterised in that the detection module, is used for：
The sense of current and voltage direction on circuit, detection zero line is detected by power direction；
According to the sense of current and the voltage direction, the power direction of the zero line is determined.
16. device according to claim 13, it is characterised in that described device also includes：
Sending module, for when the power direction of the zero line is in opposite direction with predetermined power, to server
Send the ammeter mark for carrying and prestoring in the reverse warning message of zero line, the reverse warning message of zero line.
17. device according to claim 13, it is characterised in that the detection module, is used for：
The magnitude of voltage of zero line pin and live wire pin is detected respectively, if the corresponding magnitude of voltage of the zero line pin
Persistently change, and the magnitude of voltage of the live wire pin persistently changes, then in the use electricity of detection targeted loads
During, the live wire electricity and zero line electricity of the targeted loads are detected respectively, and detect the power of zero line
Direction.
18. device according to claim 13, it is characterised in that the predetermined power direction is forward direction.
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| CN201610188415.5A CN107238754B (en) | 2016-03-29 | 2016-03-29 | Method and device for detecting electric quantity |
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|---|---|---|---|
| CN201610188415.5A CN107238754B (en) | 2016-03-29 | 2016-03-29 | Method and device for detecting electric quantity |
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| CN107238754B (en) | 2020-04-21 |
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Effective date of registration: 20211228 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |