CN111413645A - Intelligent alignment instrument for metering secondary circuit - Google Patents
Intelligent alignment instrument for metering secondary circuit Download PDFInfo
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- CN111413645A CN111413645A CN201910010188.0A CN201910010188A CN111413645A CN 111413645 A CN111413645 A CN 111413645A CN 201910010188 A CN201910010188 A CN 201910010188A CN 111413645 A CN111413645 A CN 111413645A
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Abstract
The invention provides an intelligent alignment instrument for metering a secondary circuit, which comprises a multifunctional signal source and a decoder, wherein a metering box is arranged between the multifunctional signal source and the decoder, the metering box is internally divided into a primary circuit area and a secondary circuit area by a partition plate, the multifunctional signal source is connected with the primary circuit area, the decoder is connected with the secondary circuit area, a mutual inductor is arranged in the primary circuit area, a primary wiring terminal of the mutual inductor is connected with the multifunctional signal source, a wiring box is arranged in the secondary circuit area, a decoder signal clamp is arranged below the wiring box, a wiring terminal is arranged on the decoder signal clamp, and the wiring terminal is connected with the decoder; the pair line instrument formed by the multifunctional signal source and the decoder has the advantages of high reduction degree, small volume, portability and simple and convenient operation, and meanwhile, a hexagonal graph formed by acquired data can be directly displayed through the signal source display screen and the decoding display screen, so that monitoring data can be visually observed and analyzed.
Description
Technical Field
The invention relates to the field of alignment instruments. In particular to an intelligent alignment instrument for a metering secondary circuit.
Background
The economy of the industry, agriculture and various fields in China is rapidly developed, the demand of large-scale and integrated large-scale production enterprises on electric power is increased day by day, the scale of newly-built electric power grids is gradually enlarged, the installation and debugging of electric energy metering equipment are used as important components of metering work, the electric energy metering equipment is an important link of production, operation, management and safe operation of the electric power enterprises, the technical level and the management level of the electric energy metering equipment are not only concerned with the development of the electric power industry and the image of the electric power enterprises, but also influence the fairness, justice, accuracy and reliability of electric energy trade settlement, are related to the benefits of the electric power enterprises and the majority of electric power users, and the quality of the work is an important.
At present, the influence of working properties on the installation and debugging work of a metering secondary circuit of an existing three-phase newly-installed user, particularly a high-voltage user of 10KV and above is not taken into consideration, an electric energy meter, an acquisition terminal and a combined junction box are fixedly installed in a metering cabinet, the normal work of a new high-voltage electric energy metering service is realized, the difficulty of re-aligning when an error occurs in a wiring in a metering box is large due to the influences of a field environment, an installation equipment position, the wiring process quality, the installation time, the number of installation personnel, a technical source, the work responsibility center and the like in the working process of installation, inspection and acceptance, the narrow and small layout in the metering box can influence manual entry to perform alignment, and due to the fact that light in the metering box is dark, the condition of the error easily occurs when the manual alignment is performed again, and metering or equipment faults are easily caused, moreover, the alignment time is long, the consumed human and material resources are large, and the situation that a user is usually in a no-load state after new installation work is finished, so that whether a metering loop is correct or not cannot be judged easily. Therefore, the invention provides an intelligent alignment instrument for a metering secondary circuit, which aims to overcome the defects in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides the wire alignment instrument which is composed of the multifunctional signal source and the decoder, has high reduction degree, small volume, convenient carrying and simple and convenient operation, can acquire data of three-phase voltage and three-phase current of a mutual inductor and a junction box in a metering box, can directly display a hexagonal graph formed by the acquired data through the signal source display screen and the decoding display screen, and can visually observe and analyze the monitored data.
The invention provides an intelligent alignment instrument for metering a secondary circuit, which comprises a multifunctional signal source and a decoder, wherein a metering box is arranged between the multifunctional signal source and the decoder, the metering box is internally divided into a primary circuit area and a secondary circuit area by a partition plate, the multifunctional signal source is connected with the primary circuit area, the decoder is connected with the secondary circuit area, a mutual inductor is arranged in the primary circuit area, a primary wiring terminal of the mutual inductor is connected with the multifunctional signal source, a wiring box is arranged in the secondary circuit area, a decoder signal clamp is arranged below the wiring box, a wiring terminal is arranged on the decoder signal clamp, and the wiring terminal is connected with the decoder;
the multifunctional signal source is connected with a mutual inductor of the primary circuit area and then outputs three-phase voltage and three-phase current signals with vectors, a decoder connected with one side of the secondary circuit area through a wiring terminal of a decoder signal clamp below the junction box synchronously receives the three-phase voltage and the three-phase current signals, the currently received three-phase voltage and the currently received three-phase current signals are visually displayed in a hexagonal diagram mode, and the network states and wiring conditions of the primary circuit area and the secondary circuit area are analyzed and judged by comparing the three-phase voltage and the three-phase current signals output by the multifunctional signal source and the three-phase voltage and the three-phase current signals received by the decoder.
The further improvement lies in that: the multifunctional signal source comprises a signal source single chip microcomputer, a signal source display screen, a signal source keyboard, a signal output end and a signal source communication interface, wherein the signal source single chip microcomputer is respectively connected with the signal source display screen, the signal source keyboard and the signal source communication interface, and the signal output end is arranged on one side of the signal source display screen;
the signal source single chip microcomputer expands the D/A conversion chip to be used for digital-to-analog conversion, three-phase signals and harmonic signals are generated, data sampling can be carried out on the three-phase signals through the analog switch and the A/D conversion, and the frequency, the phase and the amplitude of the three-phase signals are obtained.
The further improvement lies in that: the three-phase signal can independently select waveform, frequency, phase and amplitude data through keys of a signal source keyboard so as to adjust output waveform, and the output waveform is input to a primary wiring terminal side of a mutual inductor arranged in a primary circuit area through a signal output end under the action of amplification driving.
The further improvement lies in that: the signal source single chip microcomputer is used as a harmonic signal generated by digital-to-analog conversion through the extended D/A conversion chip and can be superposed to any phase of a three-phase signal.
The further improvement lies in that: the decoder comprises a decoding single chip microcomputer, a decoding display screen, a decoding keyboard, a decoding communication interface, a three-phase metering chip and a signal acquisition interface, wherein the two ends below the decoding single chip microcomputer are respectively connected with the decoding display screen and the decoding keyboard, one side of the single chip microcomputer is connected with the decoding communication interface, the three-phase metering chip is connected above the single chip microcomputer, and the signal acquisition interface is connected above the three-phase metering chip;
the decoding single chip microcomputer receives digital and analog signals of multiple loops through a three-phase metering chip in a sampling mode, the analog signals output by a wiring terminal of a decoder signal clamp in a secondary loop area are received through a signal acquisition interface, three-phase voltage and current signals are sampled through the three-phase metering chip to obtain voltage, current, frequency, amplitude, angle and harmonic data, the voltage, the current, the frequency, the amplitude, the angle and the harmonic data can be displayed through a decoding display screen, a hexagonal diagram of data acquired by a multifunctional signal source can be received through a decoding communication interface, and the wiring accuracy is judged by comparing the difference between the hexagonal diagram of the data acquired by the decoder and the hexagonal diagram data acquired by the multifunctional signal source.
The further improvement lies in that: the hexagonal graph of the multifunctional signal source data acquisition and the hexagonal graph of the decoder data acquisition can read the multifunctional signal source data and the decoder data through the customized APP.
The further improvement is that the customized APP adopts an interface communication protocol expanded by standard D L T/645, and then is respectively connected with the signal source communication interface and the decoding communication interface to read the hexagonal graph of the data collected by the multifunctional signal source and the hexagonal graph of the data collected by the decoder.
The invention has the beneficial effects that: the cable alignment instrument composed of the multifunctional signal source and the decoder has the advantages of high reduction degree, small volume, portability and simple and convenient operation, can acquire data of three-phase voltage and three-phase current of a mutual inductor and a junction box in the metering box, can directly display a hexagonal graph formed by the acquired data through the signal source display screen and the decoding display screen, can visually observe and analyze the monitored data, is more convenient and easy to operate compared with the traditional cable alignment mode by respectively connecting the multifunctional signal source and the decoder with a primary loop area and a secondary loop area, can also perform intelligent cable alignment on the metering box which has a narrow internal structure layout and is difficult to manually enter the metering box, can perform cable alignment operation without manually entering the metering box, has higher safety, does not need to disconnect the interior of the metering box, does not need to connect a power supply, and belongs to uncharged operation, the method has the advantages of simple operation steps, high alignment efficiency, difficulty in occurrence of alignment error, no loosening of connecting parts such as connecting bolts at the back of the metering box in the alignment process, and no damage to the stability of the internal installation structure of the metering box.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention.
Fig. 2 is a schematic view of the operation flow of the multifunctional signal source structure of the present invention.
FIG. 3 is a schematic diagram of the structure operation of the decoder according to the present invention.
Wherein: the system comprises a multifunctional signal source 1, a decoder 2, a metering box 3, a primary circuit area 4, a secondary circuit area 5, a mutual inductor 6, a junction box 7, a decoder signal clamp 8, a signal source display screen 9, a signal source keyboard 10, a decoding display screen 11, a decoding keyboard 12, a primary wiring terminal 13 and a wiring terminal 14.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-3, the present invention proposes a technical solution:
the invention provides an intelligent alignment instrument for metering a secondary circuit, which comprises a multifunctional signal source 1 and a decoder 2, wherein a metering box 3 is arranged between the multifunctional signal source 1 and the decoder 2, the metering box 3 is internally provided with a primary circuit area 4 and a secondary circuit area 5 which are divided into a primary circuit area 4 and a secondary circuit area 5 by a partition plate, the multifunctional signal source 1 is connected with the primary circuit area 4, the decoder 2 is connected with the secondary circuit area 5, a mutual inductor 6 is arranged in the primary circuit area 4, a primary wiring terminal side 13 of the mutual inductor 6 is connected with the multifunctional signal source 1, a wiring box 7 is arranged in the secondary circuit area 5, a decoder signal clamp 8 is arranged below the wiring box 7, a wiring terminal 14 is arranged on the decoder signal clamp 8, and the wiring terminal 14 is connected with the decoder 2;
the multifunctional signal source 1 is connected with a mutual inductor 6 of the primary circuit area 4 and then outputs three-phase voltage and three-phase current signals with vectors, the decoder 2 connected with one side of the secondary circuit area 5 through a wiring terminal 14 of a decoder signal clamp 8 below a junction box 7 synchronously receives the three-phase voltage and the three-phase current signals, the currently received three-phase voltage and the currently received three-phase current signals are visually displayed in a hexagonal pattern mode, and the three-phase voltage and the three-phase current signals output by the multifunctional signal source 1 and the three-phase voltage and the three-phase current signals received by the decoder 2 are compared to analyze and judge the network states and wiring conditions of the primary circuit area 4 and the secondary circuit area 5.
The further improvement lies in that: the multifunctional signal source 1 comprises a signal source single chip microcomputer, a signal source display screen 9, a signal source keyboard 10, a signal output end and a signal source communication interface, wherein the signal source single chip microcomputer is respectively connected with the signal source display screen 9, the signal source keyboard 10 and the signal source communication interface, and the signal output end is arranged on one side of the signal source display screen;
the signal source single chip microcomputer expands the D/A conversion chip to be used for digital-to-analog conversion, three-phase signals and harmonic signals are generated, data sampling can be carried out on the three-phase signals through the analog switch and the A/D conversion, and the frequency, the phase and the amplitude of the three-phase signals are obtained.
The further improvement lies in that: the three-phase signal can independently select waveform, frequency, phase and amplitude data through keys of the signal source keyboard 10 so as to adjust output waveform, and the output waveform is input to a primary wiring terminal side 13 of a mutual inductor 6 arranged in a primary circuit area through a signal output end under the action of amplification driving.
The further improvement lies in that: the signal source single chip microcomputer is used as a harmonic signal generated by digital-to-analog conversion through the extended D/A conversion chip and can be superposed to any phase of a three-phase signal.
The further improvement lies in that: the decoder 2 comprises a decoding single chip microcomputer, a decoding display screen 11, a decoding keyboard 12, a decoding communication interface, a three-phase metering chip and a signal acquisition interface, wherein two ends below the decoding single chip microcomputer are respectively connected with the decoding display screen 11 and the decoding keyboard 12, one side of the single chip microcomputer is connected with the decoding communication interface, the three-phase metering chip is connected above the single chip microcomputer, and the signal acquisition interface is connected above the three-phase metering chip;
the decoding single chip microcomputer receives digital and analog signals of multiple loops through sampling of a three-phase metering chip, the analog signals output by a wiring terminal 14 of a decoder signal clamp in a secondary loop area are received through a signal acquisition interface, three-phase voltage and current signals are sampled through the three-phase metering chip, voltage, current, frequency, amplitude, angle and harmonic data are obtained, the voltage, the current, the frequency, the amplitude, the angle and the harmonic data can display an intuitive hexagonal diagram through a decoding display screen 11, the hexagonal diagram of the data acquired by the multifunctional signal source can be received through a decoding communication interface, and wiring accuracy is judged by comparing the difference between the hexagonal diagram of the data acquired by a decoder 2 and the hexagonal diagram data acquired by the multifunctional signal source 1.
The further improvement lies in that: the hexagonal graph of the data collected by the multifunctional signal source 1 and the hexagonal graph of the data collected by the decoder 2 can read the data of the multifunctional signal source 1 and the data of the decoder 2 through the customized APP.
The further improvement is that the customized APP adopts an interface communication protocol expanded by standard D L T/645, and then is respectively connected with the signal source communication interface and the decoding communication interface to read the hexagonal graph of the data collected by the multifunctional signal source 1 and the hexagonal graph of the data collected by the decoder 2.
The alignment instrument composed of the multifunctional signal source 1 and the decoder 2 has the advantages of high reduction degree, small volume, portability and simple and convenient operation, can acquire data of three-phase voltage and three-phase current of a mutual inductor 6 and a junction box 7 in the metering box 3, can directly display a hexagonal graph formed by the acquired data through the signal source display screen 9 and the decoding display screen 11, can visually observe and analyze the monitored data, adopts the multifunctional signal source 1 and the decoder 2 to be respectively connected with the primary loop area 4 and the secondary loop area 5 to perform alignment more conveniently and easily than a traditional alignment mode, can perform intelligent alignment on the metering box 3 which is small in internal structure layout and difficult to manually enter into the operation, can perform alignment operation without manually entering the metering box 3, has higher safety, and does not need to detach the inside of the metering box 3, the wiring device does not need to be connected with a power supply, belongs to uncharged operation, is simple in operation steps and high in wiring efficiency, is not easy to cause wiring error, cannot loosen connecting parts such as connecting bolts at the back of the metering box in the wiring process, and cannot damage the stability of an internal mounting structure of the metering box 3.
When the pair line works, the connection terminal 14 arranged on the decoder signal clamp 8 below the terminal box 7 connected with the primary circuit area 4 through the multifunctional signal source 1 and the primary connection terminal side 13 of the mutual inductor 6 of the primary circuit area 4 and the decoder 7 and the secondary circuit area 5 can detect and collect data of three-phase voltage and three-phase current of the primary circuit area 4 and the secondary circuit area 5, then the collected data of the primary circuit area 4 can be visually displayed on the signal source display screen 9 in a hexagonal pattern form through calculation of a signal source single chip microcomputer and other components in the multifunctional signal source 1, the collected data of the secondary circuit area 5 can be visually displayed on the decoding display screen 11 in a hexagonal pattern form through calculation of a decoding single chip microcomputer and other components in the decoder 2, and the hexagonal pattern on the signal source display screen 9 is compared with the hexagonal pattern on the decoding display screen 11 so as to achieve the network state and the connection state of the current primary circuit area 4 and the secondary circuit area 5 The situation is analyzed and judged, and whether wiring is wrong or not can be simply and clearly judged.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a measurement secondary circuit intelligence is to line appearance which characterized in that: comprises a multifunctional signal source (1) and a decoder (2), a metering box (3) is arranged between the multifunctional signal source (1) and the decoder (2), the metering tank (3) is internally provided with a primary loop area (4) and a secondary loop area (5) which are divided by a partition plate, the multifunctional signal source (1) is connected with the primary loop area (4), the decoder (2) is connected with the secondary loop area (5), a mutual inductor (6) is arranged in the primary loop area (4), a primary wiring terminal side (13) of the mutual inductor (6) is connected with the multifunctional signal source (1), a junction box (7) is arranged in the secondary loop area (5), a decoder signal clamp (8) is arranged below the junction box (7), the decoder signal clamp (8) is provided with a wiring terminal (14), and the wiring terminal (14) is connected with the decoder (2);
the multifunctional signal source (1) is connected with a mutual inductor (6) of the primary circuit area (4) and then outputs three-phase voltage and three-phase current signals with vectors, a decoder (2) connected with one side of the secondary circuit area (5) through a wiring terminal (14) of a decoder signal clamp (8) below the junction box (7) synchronously receives the three-phase voltage and the three-phase current signals, the currently received three-phase voltage and the currently received three-phase current signals are visually displayed in a hexagonal diagram mode, and the network states and wiring conditions of the primary circuit area (4) and the secondary circuit area (5) are analyzed and judged by comparing the three-phase voltage and the three-phase current signals output by the multifunctional signal source (1) with the three-phase voltage and the three-phase current signals received by the decoder (2).
2. The intelligent alignment instrument for metering secondary circuits of claim 1, which is characterized in that: the multifunctional signal source (1) comprises a signal source single chip microcomputer, a signal source display screen (9), a signal source keyboard (10), a signal output end and a signal source communication interface, wherein the signal source single chip microcomputer is respectively connected with the signal source display screen (9), the signal source keyboard (10) and the signal source communication interface, and the signal output end is arranged on one side of the signal source display screen;
the signal source single chip microcomputer expands the D/A conversion chip to be used for digital-to-analog conversion, three-phase signals and harmonic signals are generated, data sampling can be carried out on the three-phase signals through the analog switch and the A/D conversion, and the frequency, the phase and the amplitude of the three-phase signals are obtained.
3. The intelligent alignment instrument for metering secondary circuits of claim 2, wherein: the three-phase signal can independently select waveform, frequency, phase and amplitude data through keys of a signal source keyboard (10) so as to adjust output waveform, and the output waveform is input to a primary wiring terminal side (13) of a mutual inductor (6) arranged in a primary circuit area through a signal output end under the action of amplification driving.
4. The intelligent alignment instrument for metering secondary circuits of claim 3, wherein: the signal source single chip microcomputer is used as a harmonic signal generated by digital-to-analog conversion through the extended D/A conversion chip and can be superposed to any phase of a three-phase signal.
5. The intelligent alignment instrument for metering secondary circuits of claim 1, which is characterized in that: the decoder (2) comprises a decoding single chip microcomputer, a decoding display screen (11), a decoding keyboard (12), a decoding communication interface, a three-phase metering chip and a signal acquisition interface, wherein the decoding display screen (11) and the decoding keyboard (12) are respectively connected to two ends below the decoding single chip microcomputer, the decoding communication interface is connected to one side of the single chip microcomputer, the three-phase metering chip is connected to the upper portion of the single chip microcomputer, and the signal acquisition interface is connected to the upper portion of the three-phase metering chip;
the decoding single chip microcomputer receives digital and analog signals of multiple loops through a three-phase metering chip in a sampling mode, the analog signals output by a wiring terminal (14) of a decoder signal clamp in a secondary loop area are received through a signal acquisition interface, three-phase voltage and current signals are sampled through the three-phase metering chip to obtain voltage, current, frequency, amplitude, angle and harmonic data, the voltage, the current, the frequency, the amplitude, the angle and the harmonic data can display a visual hexagonal diagram through a decoding display screen (11), the hexagonal diagram of the data acquired by the multifunctional signal source can be received through a decoding communication interface, and the wiring accuracy is judged by comparing the difference between the hexagonal diagram of the data acquired by the decoder (2) and the hexagonal diagram data acquired by the multifunctional signal source (1).
6. The intelligent alignment instrument for metering secondary circuits of claim 5, wherein: the data of the multifunctional signal source (1) and the data of the decoder (2) can be read out through the customized APP by the hexagonal graph of the data collected by the multifunctional signal source (1) and the hexagonal graph of the data collected by the decoder (2).
7. The intelligent pair line instrument for metering secondary circuits of claim 6, wherein the customized APP adopts an interface communication protocol extended by a standard D L T/645, and is respectively connected with the signal source communication interface and the decoding communication interface to read a hexagonal graph of data collected by the multifunctional signal source (1) and a hexagonal graph of data collected by the decoder (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910010188.0A CN111413645A (en) | 2019-01-05 | 2019-01-05 | Intelligent alignment instrument for metering secondary circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910010188.0A CN111413645A (en) | 2019-01-05 | 2019-01-05 | Intelligent alignment instrument for metering secondary circuit |
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| CN201910010188.0A Pending CN111413645A (en) | 2019-01-05 | 2019-01-05 | Intelligent alignment instrument for metering secondary circuit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102192A (en) * | 1987-03-18 | 1987-09-30 | 倪墉堂 | Digital cable alignment apparatus |
| CN203572904U (en) * | 2013-11-08 | 2014-04-30 | 台州市菱士达电器有限公司 | Flat cable testing device |
| CN206832923U (en) * | 2017-06-19 | 2018-01-02 | 云南电网有限责任公司曲靖供电局 | A kind of measurement loop wiring error judgment means |
| CN108710054A (en) * | 2018-05-25 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | Wiring state detection device, method and the secondary circuit system of secondary circuit |
-
2019
- 2019-01-05 CN CN201910010188.0A patent/CN111413645A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102192A (en) * | 1987-03-18 | 1987-09-30 | 倪墉堂 | Digital cable alignment apparatus |
| CN203572904U (en) * | 2013-11-08 | 2014-04-30 | 台州市菱士达电器有限公司 | Flat cable testing device |
| CN206832923U (en) * | 2017-06-19 | 2018-01-02 | 云南电网有限责任公司曲靖供电局 | A kind of measurement loop wiring error judgment means |
| CN108710054A (en) * | 2018-05-25 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | Wiring state detection device, method and the secondary circuit system of secondary circuit |
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Application publication date: 20200714 |