CN107782986A - A kind of online nuclear-phase method of low-voltage circuit, apparatus and system - Google Patents
A kind of online nuclear-phase method of low-voltage circuit, apparatus and system Download PDFInfo
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- CN107782986A CN107782986A CN201710966731.5A CN201710966731A CN107782986A CN 107782986 A CN107782986 A CN 107782986A CN 201710966731 A CN201710966731 A CN 201710966731A CN 107782986 A CN107782986 A CN 107782986A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
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Abstract
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, apparatus and system, belong to distribution repair apparatus field, by the way that the analog signal of acquisition is converted into data signal, and it is transmitted by radio communication and nuclear phase, avoid prior art decay, Coupling Between Phases the problems such as caused by separate measurement inaccuracy the problem of, so as to improve the accuracy of separate measurement and reliability.In addition, be transmitted by radio communication and nuclear phase, avoid prior art from must be provided with host computer side in the step down side the problem of, improve operating personnel it is safe while, have also been enlarged the line range of nuclear phase, the scope of application is wider.
Description
Technical field
The present invention relates to distribution repair apparatus field, the online nuclear-phase method of more particularly to a kind of low-voltage circuit, device and it is
System.
Background technology
Because distribution line is installed in batches mostly, and the period crossed over is longer, construction team's peopleware level
It is uneven, easily cause wiring chaotic, so that the problems such as Three-Phase Transformer is load unbalanced, low-voltage occurs, in order to reduce circuit
Loss, strengthen the fine-grained management to taiwan area of powering, carry out the taiwan area confirmation of user and separate identification work comprehensively.Power circuit
Survey be mutually a job indispensable during this.
The equipment such as existing high-voltage nuclear phase instrument, distributing net platform region user's identification instrument possess nuclear phase function.High-voltage nuclear phase instrument passes through survey
The voltage difference at the more different high-tension line both ends of amount, judges the whether same phase in high-tension line both ends, but can not judge specific belonging to it
It is separate.And the main frame of distributing net platform region user's identification instrument must operate in step down side, by carrier communication pattern, in low pressure
Side coupled pulse jump signal, slave can receive judge it is separate belonging to the slave.
And greatest problem existing for the technology is must to be operated in transformer side, great potential safety hazard be present, and export
Pulse signal, during carrier-wave transmission, the problems such as deep fades, Coupling Between Phases be present, cause separate measurement accuracy,
Reliability reduces, and the especially larger taiwan area of circuit length, and can only being measured in the range of this taiwan area, can not carry out across platform
The measurement in area, use range are restricted.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, dress
Put and system.The technical scheme is as follows：
First aspect, there is provided a kind of online nuclear-phase method of low-voltage circuit, methods described include：
After test equipment obtains the nuclear phase request of the side of circuit first and the second side, first side, second side are tested
And the communication link between the test equipment；
After the communication link is confirmed, first side obtains the first analog signal to be measured, and to be measured by described first
Analog signal is converted into the first data signal, and first data signal and very first time signal are sent to the test and set
It is standby；
After the communication link is confirmed, second side obtains the second analog signal to be measured, and to be measured by described second
Analog signal is converted into the second data signal, and second data signal and the second time signal are sent to the test and set
It is standby；
The test equipment is believed according to first data signal, the very first time signal, second numeral respectively
Number and second time signal carry out nuclear phase.
With reference in a first aspect, in the first possible implementation, the analog signal to be measured includes voltage magnitude, phase
Position and frequency, after the first analog signal to be measured described in first side/second side/second analog signal to be measured, institute
Method is stated also including any one in following operation：
First side/second side obtains the first analog signal to be measured/second analog signal to be measured
Time；Or
After first side/second side obtains the first analog signal to be measured/second analog signal to be measured,
Obtain the time signal of respective time output module output.
With reference to the first possible implementation of first aspect, in second of possible implementation,
Described send first data signal and very first time signal to the test equipment includes：
First data signal and very first time signal modulation are by first side by the first radio transmitting device
First wireless transmission signal, and first wireless transmission signal is sent to the test equipment；
Second data signal and the second time signal are modulated to by second side by the second radio transmitting device
Second wireless transmission signal, and second wireless transmission signal is sent to the test equipment；
With reference to second of possible implementation of first aspect, in the third possible implementation, the test
Equipment is respectively according to first data signal, the very first time signal, second data signal and second time
Signal, which carries out nuclear phase, to be included：
The test equipment parses the first data signal and very first time signal in the first wireless transmission signal, and solves
Separate out the second data signal and the second time signal in the second wireless transmission signal；
Voltage magnitude, phase, frequency according to indicated by the first data signal of same time and the second data signal difference
Rate carries out nuclear phase.
Second aspect, there is provided a kind of online phase checking device of low-voltage circuit, described device are arranged at transformer side, the dress
Put including：
Analog signal acquisition module, for obtaining analog signal to be measured, the analog signal to be measured includes voltage magnitude, phase
Position and frequency；
Time module, for recording the time of the analog signal to be measured；Or obtaining the analog signal to be measured
Afterwards, the time signal of output；
A/D modular converters, for the analog signal to be measured to be converted into data signal；
Transmission/reception module, for the data signal and the time signal to be sent to the test equipment, so that
The test equipment carries out nuclear phase according to the data signal and the time signal；
Wherein, the transmission/reception module is included in wireless transmission/receiving module and GPRS transmission/reception module
Any one.
With reference to second aspect, in the first possible implementation, the transmission/reception module is specifically used for：
The data signal and time signal are modulated to wireless transmission signal, and by the wireless transmission signal send to
The test equipment.
The third aspect, there is provided a kind of online phase checking device of low-voltage circuit, described device are arranged at transformer side, the dress
The processor being connected including memory and with the memory is put, wherein, the memory is used to store batch processing code,
The program code that the processor calls the memory to be stored is used to perform following operation：
Analog signal to be measured is obtained, the analog signal to be measured includes voltage magnitude, phase and frequency；
Record the time of the analog signal to be measured；Or after the analog signal to be measured is obtained, the time letter of output
Number；
The analog signal to be measured is converted into data signal；
The data signal and the time signal are sent to the test equipment, so that the test equipment is according to institute
State data signal and carry out nuclear phase with the time signal；
With reference to the third aspect, in the first possible implementation, the processor calls the memory to be stored
Program code be used for perform following operation：
The data signal and time signal are modulated to wireless transmission signal, and by the wireless transmission signal send to
The test equipment.
Fourth aspect, there is provided a kind of online phase checking device of low-voltage circuit, described device is arranged at test equipment side, described
Device includes：
Transmission/reception module, the wireless transmission signal sent respectively for the side of receiving circuit first and the second side；
Parsing module, for parsing data signal and time signal from the wireless transmission signal；
Nuclear phase module, carried out for the voltage magnitude indicated according to the data signal of same time difference, phase, frequency
Nuclear phase；
Wherein, the transmission/reception module is included in wireless transmission/receiving module and GPRS transmission/reception module
Any one.
With reference to fourth aspect, in the first possible implementation, described device also includes：
Mian engine changeover module, for the instruction according to user, carry out mian engine changeover.
5th aspect, there is provided a kind of online phase checking device of low-voltage circuit, described device is arranged at test equipment side, described
Device includes memory and the processor being connected with the memory, wherein, the memory is used to store batch processing generation
Code, the program code that the processor calls the memory to be stored are used to perform following operation：
The wireless transmission signal that the side of receiving circuit first and the second side are sent respectively；
Data signal and time signal are parsed from the wireless transmission signal；
Voltage magnitude, phase according to indicated by the data signal of same time difference, frequency carry out nuclear phase；
With reference to the 5th aspect, in the first possible implementation, the processor calls the memory to be stored
Program code be used for perform following operation：
According to the instruction of user, mian engine changeover is carried out.
6th aspect, there is provided a kind of online kernel phase system of low-voltage circuit, the system include the first transformer side device,
Second transformer side device and phase checking device, the first transformer side device, the second transformer side device and institute
Phase checking device is stated to connect by radio communication, wherein,
Any one in the first transformer side device and the second transformer side device includes：
Analog signal acquisition module, for obtaining analog signal to be measured, the analog signal to be measured includes voltage magnitude, phase
Position and frequency；
Time module, for recording the time of the analog signal to be measured；Or obtaining the analog signal to be measured
Afterwards, the time signal of output；
A/D modular converters, for the analog signal to be measured to be converted into data signal；
First transmission/reception module, for the data signal and the time signal to be sent to the test equipment,
So that the test equipment carries out nuclear phase according to the data signal and the time signal；
The nuclear phase dress includes：
Second transmission/reception module, the wireless transmission signal sent respectively for the side of receiving circuit first and the second side；
Parsing module, for parsing data signal and time signal from the wireless transmission signal；
Nuclear phase module, carried out for the voltage magnitude indicated according to the data signal of same time difference, phase, frequency
Nuclear phase；
Wherein, first transmission/reception module or the second transmission/reception module include wireless transmission/receiving module
And any one in GPRS transmission/reception module.
With reference to the 6th aspect, in the first possible implementation, the phase checking device also includes：
Mian engine changeover module, for the instruction according to user, carry out mian engine changeover.
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, apparatus and system, including：Test equipment obtains
After the request of the nuclear phase of the side of line taking road first and the second side, the communication link between the first side of test, the second side and test equipment；
After communication link is confirmed, the first side obtains the first analog signal to be measured, and the first analog signal to be measured is converted into the first number
Word signal, and the first data signal and very first time signal are sent to test equipment；After communication link is confirmed, the second side is obtained
Take the second analog signal to be measured, and the second analog signal to be measured be converted into the second data signal, and by the second data signal and
Second time signal is sent to test equipment；Test equipment is respectively according to the first data signal, very first time signal, the second numeral
Signal and the second time signal carry out nuclear phase.By the way that the analog signal of acquisition is converted into data signal, and pass through radio communication
Be transmitted and nuclear phase, avoid prior art caused by the problems such as decay, Coupling Between Phases separate measurement it is inaccurate
Problem, so as to improve the accuracy of separate measurement and reliability.In addition, being transmitted by radio communication and nuclear phase, avoid
Prior art must be provided with host computer side in the step down side the problem of, improve operating personnel it is safe while, also expand
The line range of nuclear phase, the scope of application are wider.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of online nuclear-phase method flow chart of low-voltage circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of online nuclear-phase method flow chart of low-voltage circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of online phase checking device structural representation of low-voltage circuit provided in an embodiment of the present invention；
Fig. 4 is a kind of online phase checking device structural representation of low-voltage circuit provided in an embodiment of the present invention；
Fig. 5 is a kind of online phase checking device structural representation of low-voltage circuit provided in an embodiment of the present invention；
Fig. 6 is a kind of online phase checking device structural representation of low-voltage circuit provided in an embodiment of the present invention；
Fig. 7 is a kind of online kernel phase system schematic diagram of low-voltage circuit 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 attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only this
Invention part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, device and system, applied to power line
Road mesolow is surveyed mutually, it is necessary to which explanation, it is low that the first side and the second side described in the embodiment of the present invention are disposed on transformer
Side is pressed, wherein, the first side and the second side can be fixed and detachable, if fixed, then be fixedly installed on transformer
Low-pressure side, if detachable, then any both sides set with circuit, transformer low voltage can be not limited to according to the actual requirements
Side.Connected between first side, the second side and test equipment by radio communication, the communication connection mode includes but is not limited to
Any one in WLAN and GPRS or combination.Test equipment can be to be arranged at remote server or other are solid
Determine in operation equipment, or mobile device, such as handheld terminal, the embodiment of the present invention are not limited.
In addition, the first side and the first transformer side device described in the embodiment of the present invention are same device, the second side and
Two transformer side devices are same device, and test equipment and phase checking device are same device, are for convenience of explanation, except title
Outside difference, its function phase is same.
Embodiment one
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, shown in reference picture 1, method includes：
101st, after test equipment obtains the nuclear phase request of the side of circuit first and the second side, the first side of test, the second side and
Communication link between test equipment；
102nd, after communication link is confirmed, the first side obtains the first analog signal to be measured, and by the first analog signal to be measured
The first data signal is converted into, and the first data signal and very first time signal are sent to test equipment；
Specifically, analog signal to be measured includes voltage magnitude, phase and frequency,
The first analog signal to be measured is obtained, and performs any one in following operate：
Record obtains the time of the first analog signal to be measured；Or
After obtaining the first simulation letter to be measured, the time signal of time output module output is obtained.
First data signal and very first time signal modulation are wirelessly transferred by letter for first by the first radio transmitting device
Number, and the first wireless transmission signal is sent to test equipment.
103rd, after communication link is confirmed, the second side obtains the second analog signal to be measured, and by the second analog signal to be measured
The second data signal is converted into, and the second data signal and the second time signal are sent to test equipment；
Specifically, obtaining the second analog signal to be measured, and perform any one in following operate：
Record obtains the time of the second analog signal to be measured；Or
After obtaining the second simulation letter to be measured, the time signal of time output module output is obtained.
The second data signal and the second time signal are modulated to second by the second radio transmitting device and are wirelessly transferred letter
Number, and the second wireless transmission signal is sent to test equipment.
104th, test equipment is respectively according to the first data signal, very first time signal, the second data signal and the second time
Signal carries out nuclear phase.
Specifically, test equipment parses the first data signal and very first time signal in the first wireless transmission signal,
And parse the second data signal in the second wireless transmission signal and the second time signal；
Voltage magnitude, phase, frequency according to indicated by the first data signal of same time and the second data signal difference
Rate carries out nuclear phase.
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, by the way that the analog signal of acquisition is converted to
Data signal, and be transmitted by radio communication and nuclear phase, prior art is avoided by decay, Coupling Between Phases the problems such as institute
The problem of causing the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through channel radio
Letter is transmitted and nuclear phase, avoids prior art from must be provided with host computer side in the step down side the problem of, is operated improving
While personal security, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Embodiment two
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, wherein, it is in embodiments of the present invention, to be measured
Analog signal includes voltage magnitude, phase and frequency, and shown in reference picture 2, method includes：
201st, after the standby nuclear phase request for obtaining the side of circuit first and the second side, the first side of test, the second side and test are set
Communication link between standby.After step 201, step 202 and 206 is performed.
Specifically, the request of the nuclear phase of the first side and the second side is including at least the identification information of the first side and the second side, the mark
Know the device numbering that information can be the first side and the second side；
The process for the communication link tested between the first side, the second side and test equipment can be：
Test equipment sends channel test instruction to the first side and the second side respectively；
First side and the second side send feedback command after channel test instruction is received to test equipment；
If test equipment receives the feedback command that the first side and the second side are sent in preset time, communication chain is confirmed
Road can use, and otherwise, then confirm that communication link is unavailable.
202nd, the first side obtains the first analog signal to be measured, and performs any one in step 203 or 204：
Specifically, the first side obtains the first analog signal to be measured by sample circuit, the embodiment of the present invention is to specifically adopting
Sample loading mode is not limited.
Optionally, the first side obtains the first analog signal to be measured, and the analog signal is filtered, removes the analog signal
In noise, the embodiment of the present invention is not limited to specific filtering mode.
Because the meeting of analog signal impacts to the accuracy and reliability of separate measurement, while can also increase at data
Reason amount, so, by being filtered to the analog signal, the noise in the analog signal is removed, can further be improved separate
The accuracy and reliability of measurement.
203rd, the first sidelights record obtains the time of the first analog signal to be measured.
Specifically, the embodiment of the present invention is not limited to specific acquisition modes.
204th, after the first side obtains the first simulation letter to be measured, the time signal of time output module output is obtained.
Specifically, obtaining the time signal of gps clock synchronization module or the output of big dipper clock synchronization module, the present invention is implemented
Example is not limited to specific acquisition modes and specific time signal.
205th, the first data signal and very first time signal modulation are first by the first radio transmitting device by the first side
Wireless transmission signal, and the first wireless transmission signal is sent to test equipment.
Specifically, the modulated process can be realized by modulation /demodulation module, the embodiment of the present invention is adjusted to specific
Process processed is not limited.
Optionally, the first side by the first radio transmitting device can also by the first data signal that multiple moment obtain and
Corresponding multiple very first time signal modulations are the first wireless transmission signal, and the first wireless transmission signal is sent to test and set
It is standby.
It is worth noting that, step 202 to step 205 is realized after communication link is confirmed, the first side obtains first and treated
Analog signal is surveyed, and the first analog signal to be measured is converted into the first data signal, and by the first data signal and the very first time
Signal is sent to the process of test equipment, in addition to the mode described in above-mentioned steps, can also realize this by other means
Process, the embodiment of the present invention are not limited to specific mode.
Because prior art is that transformer side is operated, by carrier communication pattern, it is mutated in low-pressure side coupled pulse
Signal, can slave, which receive, judges separate realizing nuclear phase belonging to the slave, can not only there is great potential safety hazard, and defeated
The pulse signal gone out, during carrier-wave transmission, the problems such as deep fades, Coupling Between Phases be present, cause the accurate of separate measurement
Property, reliability reduce, and by the way that analog signal and time signal to be tested be converted into data signal, and send to testing
Equipment, intersect at and communicated by carrier wave, the problems such as being not in decay, Coupling Between Phases, so as to improve separate measurement
Accuracy, reliability reduce.In addition, by carrying out nuclear phase in long-range test equipment, avoid and operated in transformer side,
So as to ensure that the safety of user.
206th, the second side obtains the second analog signal to be measured, and performs with any one in step 207 and 208.
Specifically, the process is identical with step 202, it is not repeated here herein.
Optionally, the second side obtains the second analog signal to be measured, and the analog signal is filtered, removes the analog signal
In noise, the embodiment of the present invention is not limited to specific filtering mode.
Because the meeting of analog signal impacts to the accuracy and reliability of separate measurement, while can also increase at data
Reason amount, so, by being filtered to the analog signal, the noise in the analog signal is removed, can further be improved separate
The accuracy and reliability of measurement.
207th, the second sidelights record obtains the time of the second analog signal to be measured.
Specifically, the process is identical with step 203, it is not repeated here herein.
208th, after the second side obtains the second simulation letter to be measured, the time signal of time output module output is obtained.
Specifically, the process is identical with step 204, it is not repeated here herein.
209th, the second data signal and the second time signal are modulated to second by the second side by the second radio transmitting device
Wireless transmission signal, and the second wireless transmission signal is sent to test equipment.
Specifically, the process is identical with step 205, it is not repeated here herein.
Optionally, the second side by the second radio transmitting device can also by the second data signal that multiple moment obtain and
Corresponding multiple second time signals are modulated to the second wireless transmission signal, and the second wireless transmission signal is sent to test and set
It is standby.
It is worth noting that, step 206 to step 209 is realized after communication link is confirmed, the second side obtains second and treated
Analog signal is surveyed, and the second analog signal to be measured is converted into the second data signal, and by the second data signal and the second time
Signal is sent to the process of test equipment, in addition to the mode described in above-mentioned steps, can also realize this by other means
Process, the embodiment of the present invention are not limited to specific mode.
Because prior art is that transformer side is operated, by carrier communication pattern, it is mutated in low-pressure side coupled pulse
Signal, can slave, which receive, judges separate realizing nuclear phase belonging to the slave, can not only there is great potential safety hazard, and defeated
The pulse signal gone out, during carrier-wave transmission, the problems such as deep fades, Coupling Between Phases be present, cause the accurate of separate measurement
Property, reliability reduce, and by the way that analog signal and time signal to be tested be converted into data signal, and send to testing
Equipment, intersect at and communicated by carrier wave, the problems such as being not in decay, Coupling Between Phases, so as to improve separate measurement
Accuracy, reliability reduce.In addition, by carrying out nuclear phase in long-range test equipment, avoid and operated in transformer side,
So as to ensure that the safety of user.
After step 205 and step 209, step 210 is performed.
210th, test equipment parses the first data signal and very first time signal in the first wireless transmission signal, and solves
Separate out the second data signal and the second time signal in the second wireless transmission signal.
Specifically, the process can be realized by modulation /demodulation module, the embodiment of the present invention is to specific parsed
Journey is not limited.
211st, the test equipment voltage indicated according to the first data signal of same time and the second data signal difference
Amplitude, phase, frequency carry out nuclear phase.
Specifically, the nuclear phase process can distinguish institute for the first data signal and the second data signal for judging the same time
Whether the voltage magnitude of instruction, phase, frequency are identical to have other corresponding relations, and the embodiment of the present invention is to specific nuclear phase mode
It is not limited.
Optionally, said process the first data signal of multiple times and the second data signal can distinguish institute according to
The voltage magnitude of instruction, phase, frequency carry out nuclear phase, and nuclear phase result is weighted averagely, or are counted, according to system
Meter result draws final nuclear phase result.
Due to the interference of external force factor, voltage magnitude, phase on circuit, frequency are likely to occur unstable situation, lead to
The voltage magnitude indicated according to the first data signal of multiple times and the second data signal difference, phase, frequency is crossed to carry out
Nuclear phase, and nuclear phase result is weighted averagely, or counted, final nuclear phase result is drawn according to statistical result, can
It is accurate so as to further improve to avoid voltage magnitude, phase, the mistake high level of frequency or cross influence of the low value to nuclear phase result
Property and reliability.
In addition, the test equipment, by carrying out nuclear phase in long-range test equipment, can be avoided in transformation with remotely located
Device side is operated, so as to ensure that the safety of user.Simultaneously as support long-range nuclear phase and survey phase, which solves
Prior art provides the territory restriction of technical scheme, and so as to further have also been enlarged the line range of nuclear phase, the scope of application is more
Extensively.
It is worth noting that, step 210 to step 211 is to realize test equipment respectively according to the first data signal, first
Time signal, the second data signal and the second time signal carry out the process of nuclear phase, in addition to the mode described in above-mentioned steps,
The process can also be realized by other means, and the embodiment of the present invention is not limited to specific mode.
Optionally, after step 211, nuclear phase result can also be shown, the embodiment of the present invention is to specific display mode
It is not limited.
The embodiments of the invention provide a kind of online nuclear-phase method of low-voltage circuit, by the way that the analog signal of acquisition is converted to
Data signal, and be transmitted by radio communication and nuclear phase, prior art is avoided by decay, Coupling Between Phases the problems such as institute
The problem of causing the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through channel radio
Letter is transmitted and nuclear phase, avoids prior art from must be provided with host computer side in the step down side the problem of, is operated improving
While personal security, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Embodiment three
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, shown in reference picture 3, device is arranged at transformation
Device side, device include：
Analog signal acquisition module 31, for obtaining analog signal to be measured, analog signal to be measured includes voltage magnitude, phase
And frequency；
Wherein, in actual applications, the acquisition module of analog signal 31 can be sample circuit, and the embodiment of the present invention is to tool
The analog signal acquisition module of body is not limited.
Time module 32, for recording the time of analog signal to be measured；Or after analog signal to be measured is obtained, output
Time signal；
Wherein, in actual applications, the time module 32 can be gps clock synchronization module or big dipper clock synchronization mould
Block, the B codes clock signal and pps pulse per second signal of ns levels are accurate to for exporting；
A/D modular converters 33, for analog signal to be measured to be converted into data signal；
Wherein, in actual applications, the A/D modular converters 33 can be A/D change-over circuits, and the embodiment of the present invention is to specific
A/D modular converters be not limited.
Transmission/reception module 34, for data signal and time signal to be sent to test equipment, so that test equipment root
Nuclear phase is carried out according to data signal and time signal；
Wherein, transmission/reception module 34 includes times in wireless transmission/receiving module and GPRS transmission/reception module
Meaning one.
Optionally, transmission/reception module 34 is specifically used for：
Data signal and time signal are modulated to wireless transmission signal, and wireless transmission signal is sent to test and set
It is standby.
Optionally, the device also includes display module, for the nuclear phase for showing analog signal and being sent by test equipment
As a result.
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, the device is by by the analog signal of acquisition
Data signal is converted to, and is transmitted by radio communication and nuclear phase, avoids prior art due to decay, Coupling Between Phases etc.
Caused by problem the problem of the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through
Radio communication is transmitted and nuclear phase, avoids prior art from must be provided with the step down side the problem of, carrying by host computer side
While high operating personnel are safe, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Example IV
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, shown in reference picture 4, device is arranged at transformation
Device side, device include memory 41 and the processor 42 being connected with memory, wherein, memory 42 is used to store batch processing
Code, the program code that processor 42 calls memory 42 to be stored are used to perform following operation：
Analog signal to be measured is obtained, analog signal to be measured includes voltage magnitude, phase and frequency；
Record the time of analog signal to be measured；Or after analog signal to be measured is obtained, the time signal of output；
Analog signal to be measured is converted into data signal；
Data signal and time signal are sent to test equipment, so that test equipment is according to data signal and time signal
Carry out nuclear phase；
Optionally, the program code that processor 42 calls memory 42 to be stored is used to perform following operation：
Data signal and time signal are modulated to wireless transmission signal, and wireless transmission signal is sent to test and set
It is standby.
Wherein, in actual applications, it can be the program that processor calls memory to be stored to obtain analog signal to be measured
Code, control sample circuit obtain.The time for recording analog signal to be measured can be that processor calls memory to be stored
What program code, control gps clock synchronization module or big dipper clock synchronization module were realized.When gps clock synchronization module or the Big Dipper
Clock synchronization module can be that processor calls the program code that is stored of memory, control wireless transmission/receiving module and
In GPRS transmission/reception module any one realize.In addition to this it is possible to the process is realized by other means, this
Inventive embodiments are not limited to specific mode.
Optionally, the device also includes display module, for the nuclear phase for showing analog signal and being sent by test equipment
As a result.
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, the device is by by the analog signal of acquisition
Data signal is converted to, and is transmitted by radio communication and nuclear phase, avoids prior art due to decay, Coupling Between Phases etc.
Caused by problem the problem of the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through
Radio communication is transmitted and nuclear phase, avoids prior art from must be provided with the step down side the problem of, carrying by host computer side
While high operating personnel are safe, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Embodiment five
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, and shown in reference picture 5, device is arranged at test
Equipment side, device include：
Transmission/reception module 51, the wireless transmission signal sent respectively for the side of receiving circuit first and the second side；
Parsing module 52, for parsing data signal and time signal from wireless transmission signal；
Nuclear phase module 53, for indicated voltage magnitude, phase, frequency to be entered respectively according to the data signal of same time
Row nuclear phase；
Wherein, transmission/reception module 51 includes times in wireless transmission/receiving module and GPRS transmission/reception module
Meaning one.
Optionally, device also includes：
Mian engine changeover module, for the instruction according to user, carry out mian engine changeover.
Optionally, the device also includes display module, for showing nuclear phase result.
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, the device is by by the analog signal of acquisition
Data signal is converted to, and is transmitted by radio communication and nuclear phase, avoids prior art due to decay, Coupling Between Phases etc.
Caused by problem the problem of the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through
Radio communication is transmitted and nuclear phase, avoids prior art from must be provided with the step down side the problem of, carrying by host computer side
While high operating personnel are safe, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Embodiment six
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, and shown in reference picture 6, device is arranged at test
Equipment side, device include memory 61 and the processor 62 being connected with memory, wherein, memory 61 is used to store one group of journey
Sequence code, the program code that processor 62 calls memory 61 to be stored are used to perform following operation：
The wireless transmission signal that the side of receiving circuit first and the second side are sent respectively；
Data signal and time signal are parsed from wireless transmission signal；
Voltage magnitude, phase according to indicated by the data signal of same time difference, frequency carry out nuclear phase；
Optionally, the program code that processor 62 calls memory 61 to be stored is used to perform following operation：
According to the instruction of user, mian engine changeover is carried out.
Optionally, the device also includes display module, for showing nuclear phase result.
The embodiments of the invention provide a kind of online phase checking device of low-voltage circuit, the device is by by the analog signal of acquisition
Data signal is converted to, and is transmitted by radio communication and nuclear phase, avoids prior art due to decay, Coupling Between Phases etc.
Caused by problem the problem of the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through
Radio communication is transmitted and nuclear phase, avoids prior art from must be provided with the step down side the problem of, carrying by host computer side
While high operating personnel are safe, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Embodiment seven
The embodiments of the invention provide a kind of online kernel phase system of low-voltage circuit, and shown in reference picture 7, system includes first and become
Depressor side device, the second transformer side device and phase checking device, the first transformer side device, the second transformer side device and
Phase checking device is connected by radio communication, wherein,
Any one in first transformer side device and the second transformer side device includes：
Analog signal acquisition module, for obtaining analog signal to be measured, analog signal to be measured include voltage magnitude, phase and
Frequency；
Time module, for recording the time of analog signal to be measured；Or after analog signal to be measured is obtained, output
Time signal；
A/D modular converters, for analog signal to be measured to be converted into data signal；
First transmission/reception module, for data signal and time signal to be sent to test equipment, so that test equipment
Nuclear phase is carried out according to data signal and time signal；
Nuclear phase dress includes：
Second transmission/reception module, the wireless transmission signal sent respectively for the side of receiving circuit first and the second side；
Parsing module, for parsing data signal and time signal from wireless transmission signal；
Nuclear phase module, carried out for the voltage magnitude indicated according to the data signal of same time difference, phase, frequency
Nuclear phase；
Wherein, the first transmission/reception module or the second transmission/reception module include wireless transmission/receiving module and
Any one in GPRS transmission/reception module.
Optionally, phase checking device also includes：
Mian engine changeover module, for the instruction according to user, carry out mian engine changeover.
Optionally, any one in the first transformer side device and the second transformer side device also includes：
First display module, for the nuclear phase result for showing analog signal and being sent by test equipment.
Phase checking device also includes：
Second display module, for showing nuclear phase result.
The embodiments of the invention provide a kind of online kernel phase system of low-voltage circuit, the system is by by the analog signal of acquisition
Data signal is converted to, and is transmitted by radio communication and nuclear phase, avoids prior art due to decay, Coupling Between Phases etc.
Caused by problem the problem of the inaccuracy of separate measurement, so as to improve the accuracy of separate measurement and reliability.In addition, pass through
Radio communication is transmitted and nuclear phase, avoids prior art from must be provided with the step down side the problem of, carrying by host computer side
While high operating personnel are safe, the line range of nuclear phase is have also been enlarged, the scope of application is wider.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
It should be noted that：A kind of online phase checking device of low-voltage circuit and system that above-described embodiment provides are low in execution
, can basis only with the division progress of above-mentioned each functional module for example, in practical application during the online nuclear-phase method in line ball road
Need and complete above-mentioned function distribution by different functional module, will, the internal structure of system equipment be divided into it is different
Functional module, to complete all or part of function described above.In addition, a kind of low-voltage circuit that above-described embodiment provides exists
Line core phase method, device and system embodiment belong to same design, and its specific implementation process refers to embodiment of the method, here not
Repeat again.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of online nuclear-phase method of low-voltage circuit, it is characterised in that methods described includes：
After test equipment obtains the nuclear phase request of the side of circuit first and the second side, test first side, second side and
Communication link between the test equipment；
After the communication link is confirmed, first side obtains the first analog signal to be measured, and by the described first simulation to be measured
Signal is converted into the first data signal, and first data signal and very first time signal are sent to the test equipment；
After the communication link is confirmed, second side obtains the second analog signal to be measured, and by the described second simulation to be measured
Signal is converted into the second data signal, and second data signal and the second time signal are sent to the test equipment；
The test equipment respectively according to first data signal, the very first time signal, second data signal and
Second time signal carries out nuclear phase.
2. according to the method for claim 1, it is characterised in that the analog signal to be measured include voltage magnitude, phase and
Frequency, after the first analog signal to be measured described in first side/second side/second analog signal to be measured, the side
Method also includes any one in following operation：
First side/second side obtains the time of the first analog signal to be measured/second analog signal to be measured；
Or
After first side/second side obtains the first analog signal to be measured/second analog signal to be measured, obtain
The time signal of respective time output module output.
3. according to the method for claim 2, it is characterised in that
Described send first data signal and very first time signal to the test equipment includes：
First data signal and very first time signal modulation are first by the first radio transmitting device by first side
Wireless transmission signal, and first wireless transmission signal is sent to the test equipment；
Second data signal and the second time signal are modulated to second by second side by the second radio transmitting device
Wireless transmission signal, and second wireless transmission signal is sent to the test equipment.
4. according to the method for claim 3, it is characterised in that the test equipment is believed according to the described first numeral respectively
Number, the very first time signal, second data signal and second time signal carry out nuclear phase includes：
The test equipment parses the first data signal and very first time signal in the first wireless transmission signal, and parses
The second data signal and the second time signal in second wireless transmission signal；
According to the first data signal of same time and the second data signal, indicated voltage magnitude, phase, frequency are entered respectively
Row nuclear phase.
5. a kind of online phase checking device of low-voltage circuit, it is characterised in that described device is arranged at transformer side, described device bag
Include：
Analog signal acquisition module, for obtaining analog signal to be measured, the analog signal to be measured include voltage magnitude, phase and
Frequency；
Time module, for recording the time of the analog signal to be measured；Or after the analog signal to be measured is obtained, it is defeated
The time signal gone out；
A/D modular converters, for the analog signal to be measured to be converted into data signal；
Transmission/reception module, for the data signal and the time signal to be sent to the test equipment, so that described
Test equipment carries out nuclear phase according to the data signal and the time signal；
Wherein, the transmission/reception module is including any in wireless transmission/receiving module and GPRS transmission/reception module
One.
6. device according to claim 5, it is characterised in that the transmission/reception module is specifically used for：
The data signal and time signal are modulated to wireless transmission signal, and the wireless transmission signal is sent to described
Test equipment.
7. a kind of online phase checking device of low-voltage circuit, it is characterised in that described device is arranged at test equipment side, described device bag
Include：
Transmission/reception module, the wireless transmission signal sent respectively for the side of receiving circuit first and the second side；
Parsing module, for parsing data signal and time signal from the wireless transmission signal；
Nuclear phase module, core is carried out for the voltage magnitude indicated according to the data signal of same time difference, phase, frequency
Phase；
Wherein, the transmission/reception module is including any in wireless transmission/receiving module and GPRS transmission/reception module
One.
8. device according to claim 7, it is characterised in that described device also includes：
Mian engine changeover module, for the instruction according to user, carry out mian engine changeover.
9. a kind of online kernel phase system of low-voltage circuit, it is characterised in that the system includes the first transformer side device, the second change
Depressor side device and phase checking device, the first transformer side device, the second transformer side device and the nuclear phase
Device is connected by radio communication, wherein,
Any one in the first transformer side device and the second transformer side device includes：
Analog signal acquisition module, for obtaining analog signal to be measured, the analog signal to be measured include voltage magnitude, phase and
Frequency；
Time module, for recording the time of the analog signal to be measured；Or after the analog signal to be measured is obtained, it is defeated
The time signal gone out；
A/D modular converters, for the analog signal to be measured to be converted into data signal；
First transmission/reception module, for the data signal and the time signal to be sent to the test equipment, so that
The test equipment carries out nuclear phase according to the data signal and the time signal；
The nuclear phase dress includes：
Second transmission/reception module, the wireless transmission signal sent respectively for the side of receiving circuit first and the second side；
Parsing module, for parsing data signal and time signal from the wireless transmission signal；
Nuclear phase module, core is carried out for the voltage magnitude indicated according to the data signal of same time difference, phase, frequency
Phase；
Wherein, first transmission/reception module or the second transmission/reception module include wireless transmission/receiving module and
Any one in GPRS transmission/reception module.
10. system according to claim 9, it is characterised in that the phase checking device also includes：Mian engine changeover module, use
In the instruction according to user, mian engine changeover is carried out.
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| CN201710966731.5A CN107782986A (en) | 2017-10-17 | 2017-10-17 | A kind of online nuclear-phase method of low-voltage circuit, apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710966731.5A CN107782986A (en) | 2017-10-17 | 2017-10-17 | A kind of online nuclear-phase method of low-voltage circuit, apparatus and system |
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| CN109738714A (en) * | 2019-03-20 | 2019-05-10 | 国家电网有限公司 | The method and device of secondary nuclear phase |
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