CN111707970A - Secondary phase checking device of combined mutual inductor - Google Patents
Secondary phase checking device of combined mutual inductor Download PDFInfo
- Publication number
- CN111707970A CN111707970A CN202010594731.9A CN202010594731A CN111707970A CN 111707970 A CN111707970 A CN 111707970A CN 202010594731 A CN202010594731 A CN 202010594731A CN 111707970 A CN111707970 A CN 111707970A
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- CN
- China
- Prior art keywords
- display screen
- control processor
- combined transformer
- wiring pin
- transformer secondary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 241000270728 Alligator Species 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000003086 colorant Substances 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 229920006026 co-polymeric resin Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 description 6
- 241000270722 Crocodylidae Species 0.000 description 5
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
Abstract
The invention provides a secondary phase checking device of a combined transformer, which comprises a shell, wherein a control processor and a power module are arranged in the shell, a display screen is arranged on the front side of the shell, an alligator clip connected with an electric energy meter and a wiring pin connected with an aviation plug of the combined transformer are respectively arranged on two sides of the shell, the power module, the display screen, the alligator clip and the wiring pin are all connected with the control processor, the control processor performs data processing by using a BASIC language algorithm, the display screen is an OLED display screen, the alligator clip comprises a plurality of alligator clips with different colors and provided with marks, and the wiring pin comprises a wiring pin provided with a mark. The secondary phase checking device of the combined mutual inductor has a simple phase checking process, and is safe and efficient.
Description
Technical Field
The invention relates to an auxiliary device for meter installation and power connection, in particular to a secondary phase checking device of a combined mutual inductor.
Background
When the high-voltage meter installation work is carried out, after the combined transformer is separated from the handcart, an operator is required to check the corresponding relation between the aviation socket of the combined transformer and the incoming line below the junction box, and the secondary side wiring of the transformer is ensured to be correct. The traditional nuclear phase mode is as follows: and according to the wiring diagram label of the field equipment, sequentially checking the conditions of access, open circuit and short circuit of the aviation socket and the incoming line below the junction box by adopting a universal meter. The work needs at least two persons to finish, the corresponding relation of 14 × 7 paths and 98 groups of paths is checked, and finally error measurement, stability test, operation variation test and magnetic saturation margin test are carried out.
The secondary phase checking operation requires that the accuracy of wiring of each phase voltage and current is accurately checked. The traditional method is used for checking phases, the working hours account for about 25% of the total time for installing the meter, and the efficiency is low. In the actual operation process, the aviation plug contact pins of the mutual inductor are densely arranged, and a plurality of contact pins are easily touched by a pointer of the universal meter by mistake. In addition, the conditions of the distribution room are simple and crude, and the field mostly does not have lighting conditions, so that the difficulty is increased for artificial nuclear phase and potential safety hazards exist.
Therefore, it is highly desirable to provide a secondary nuclear phase apparatus that is both safe and efficient.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a safe and efficient secondary phase checking device of a combined transformer.
The technical scheme adopted by the invention is as follows:
the embodiment of the invention provides a secondary phase checking device of a combined transformer, which comprises a shell, wherein a control processor and a power module are arranged in the shell, a display screen is arranged on the front side of the shell, an alligator clip connected with an electric energy meter and a wiring pin connected with an aviation plug of the combined transformer are respectively arranged on two sides of the shell, the power module, the display screen, the alligator clip and the wiring pin are all connected with the control processor, the control processor performs data processing by using a BASIC language algorithm, the display screen is an OLED display screen, the alligator clip comprises a plurality of alligator clips with different colors and provided with marks, and the wiring pin comprises a wiring pin provided with a mark.
Optionally, the housing is made of acrylonitrile-butadiene-styrene copolymer resin.
Optionally, the housing is rectangular.
Optionally, the length, width and height of the shell are 25cm, 10cm and 15cm respectively.
Optionally, the control processor is an STM32F103 single chip microcomputer.
Optionally, the power module is a lithium battery.
Optionally, the power module, the display screen, the alligator clip and the connector pin are all connected with the control processor through flexible wires.
Optionally, the method further comprises: and the overcurrent protection device is arranged in the shell and connected with the control processor.
Optionally, the overcurrent protection device is a fuse.
According to the secondary phase checking device of the combined transformer, the data processing is performed through the controller which processes the data through the BASIC language algorithm, the processing speed can be improved, and the error rate can be reduced. In addition, the crocodile clips with different labels and colors are connected with the electric energy meter, so that the device is low in cost, convenient to assemble and disassemble and capable of preventing misassembly. Meanwhile, the OLED display screen is adopted for displaying the test result, a plurality of test data can be displayed simultaneously and accurately, and the service life is long. The device provided by the invention can obviously improve the working efficiency, is simple to operate, has reliable accuracy, can effectively avoid the conditions of circuit lack detection and missed detection, and ensures that the equipment is correctly metered and reliably runs after power transmission.
Drawings
Fig. 1 is a schematic structural diagram of a secondary phase-checking device of a combined transformer according to an embodiment of the present invention;
fig. 2 is a structural block diagram of a main structure of a secondary phase-checking apparatus of a combined transformer according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and fig. 2, the secondary phase checking device for the combined transformer provided by the embodiment of the invention includes a housing 1, a control processor 6 and a power module 7 are arranged inside the housing 1, a display screen 2 is arranged on the front side of the housing, an alligator clip 3 connected to an electric energy meter and a connector pin 4 connected to an aviation plug of the combined transformer are respectively arranged on two sides of the housing 1, the power module 7, the display screen 2, the alligator clip 3 and the connector pin 4 are all connected to the control processor 6, the control processor 6 performs data processing by using a BASIC language algorithm, the display screen is an OLED display screen, the alligator clip includes a plurality of alligator clips with different colors and provided with a mark, and the connector pin includes a connector pin provided with a mark.
Further, in the present embodiment, the housing 1 is made of engineering plastic having fire-resistant and insulating properties, and in one example, is made of acrylonitrile-butadiene-styrene copolymer resin. In an exemplary embodiment, the housing 1 is rectangular. In a preferred example, the length, width and height of the housing 1 are respectively 25cm, 10cm and 15cm, so that the housing has a good hand-holding effect and can meet the holding requirements of most operators.
Further, in the embodiment of the present invention, the size of the display screen 2 may be 6.2cm by 5.4cm, and the size can achieve a clear observation result at a distance of 20-120 cm.
In the embodiment of the present invention, the control processor 6 is a processor capable of rapidly detecting signal interruption and having a strong anti-electromagnetic interference capability. In one example, the control processor 6 may be an economical and practical STM32F103 single chip. Because the control processor 6 adopts the BASIC voice algorithm to process data, namely, the BASIC voice algorithm is processed, the processing speed can be improved, and the error rate is low.
Further, in the embodiment of the present invention, the power module 7 may be a lithium battery. In a preferred example, the power module 7 may be a 18650 lithium battery with a very low self-discharge rate and sufficient power.
Further, in the embodiment of the present invention, the power module 7, the display screen 2, the alligator clip 3 and the wiring pin 4 are all connected to the control processor 6 through a light-weight, easily bendable and cost-effective flexible wire 5.
In the embodiment of the invention, the crocodile clips which are convenient to assemble and disassemble, time-saving, high in cost performance and good in adaptability are connected with the incoming line below the electric energy meter, and furthermore, in order to distinguish and match different voltages and currents, the crocodile clips with different colors are used, and each crocodile clip is marked by using the marking tube, so that the assembling and disassembling efficiency can be improved, and the cost can be reduced.
In an embodiment of the present invention, the connector pin 4 may be a metal contact made of a copper-aluminum alloy, and the metal contact is connected to the control processor 6 through a copper connection wire having a length of about 80cm, and the copper connection wire may be wrapped by a casing made of PVC material. In one example, 14 wire pins may be provided. In addition, each wiring pin can be labeled by using a labeling tube so as to avoid wiring errors and improve the assembly and disassembly efficiency.
In addition, in the embodiment of the invention, in order to ensure that the device is not influenced by the condition of back power transmission when being connected to the aviation plug and the junction box, an overcurrent protection device taking a fuse as a core is additionally arranged in the shell 1. In one example, the over-current protection device may be a fuse.
When the combined transformer secondary phase checking device provided by the embodiment of the invention is used, according to actual conditions, the secondary sides of the alligator clip and the electric energy meter and the wiring pin are accurately connected with the primary side of the combined transformer respectively, and then phase checking is carried out, wherein a phase checking result can be displayed on a display screen in real time.
In summary, the combined transformer secondary phase checking device provided by the embodiment of the invention can improve the processing speed and reduce the error rate by processing data through the controller which processes data by using the BASIC language algorithm. In addition, the crocodile clips with different labels and colors are connected with the electric energy meter, so that the device is low in cost, convenient to assemble and disassemble and capable of preventing misassembly. Meanwhile, the OLED display screen is adopted to display the test result, a plurality of test data can be displayed accurately at the same time, the service life is long, and the display screen can be used as an illuminating lamp, so that the phase checking process is easier. The device provided by the invention can obviously improve the working efficiency, is simple to operate, has reliable accuracy, can effectively avoid the conditions of circuit lack detection and missed detection, and ensures that the equipment is correctly metered and reliably runs after power transmission.
The above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a modular mutual-inductor secondary nuclear phase device, a serial communication port, which comprises a housin, the inside of casing is provided with control processor and power module, the front side of casing is provided with the display screen, the both sides of casing are provided with respectively the alligator clip be connected with the electric energy meter and with the wiring pin of the aviation plug connection of modular mutual-inductor, power module the display screen the alligator clip with the wiring pin all with control processor connects, control processor utilizes BASIC language algorithm to carry out data processing, the display screen is the OLED display screen, the alligator clip is including the alligator clip that is provided with a plurality of different colours of mark number, the wiring pin is including being provided with the mark number wiring pin.
2. The combined transformer secondary nuclear phase assembly of claim 1 wherein said housing is made of acrylonitrile butadiene styrene copolymer resin.
3. The combined transformer secondary nuclear phase assembly of claim 1 or 2 wherein said housing is rectangular.
4. The combined transformer secondary nuclear phase device according to claim 3, wherein the length, width and height of the shell are respectively 25cm, 10cm and 15 cm.
5. The combined transformer secondary nuclear phase device according to claim 1, characterized in that the control processor is an STM32F103 single chip microcomputer.
6. The combined transformer secondary nuclear phase device according to claim 1, wherein the power module is a lithium battery.
7. The combined transformer secondary phase checking device according to claim 1, wherein the power module, the display screen, the alligator clip and the wiring pin are all connected with the control processor through flexible wires.
8. The combined transformer secondary nuclear phase apparatus according to claim 1, further comprising: and the overcurrent protection device is arranged in the shell and connected with the control processor.
9. The combined transformer secondary nuclear phase device according to claim 8, wherein the overcurrent protection device is a fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010594731.9A CN111707970A (en) | 2020-06-28 | 2020-06-28 | Secondary phase checking device of combined mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010594731.9A CN111707970A (en) | 2020-06-28 | 2020-06-28 | Secondary phase checking device of combined mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111707970A true CN111707970A (en) | 2020-09-25 |
Family
ID=72542877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010594731.9A Pending CN111707970A (en) | 2020-06-28 | 2020-06-28 | Secondary phase checking device of combined mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111707970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444795A (en) * | 2018-12-06 | 2019-03-08 | 国家电网有限公司 | A kind of handcart-type transducer check auxiliary device, check system and method |
-
2020
- 2020-06-28 CN CN202010594731.9A patent/CN111707970A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444795A (en) * | 2018-12-06 | 2019-03-08 | 国家电网有限公司 | A kind of handcart-type transducer check auxiliary device, check system and method |
| CN109444795B (en) * | 2018-12-06 | 2024-01-19 | 国家电网有限公司 | Auxiliary device, system and method for calibrating handcart type transformer |
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