CN203117289U - Intelligent nuclear phase device used for P-type power distribution station - Google Patents
Intelligent nuclear phase device used for P-type power distribution station Download PDFInfo
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- CN203117289U CN203117289U CN 201320049346 CN201320049346U CN203117289U CN 203117289 U CN203117289 U CN 203117289U CN 201320049346 CN201320049346 CN 201320049346 CN 201320049346 U CN201320049346 U CN 201320049346U CN 203117289 U CN203117289 U CN 203117289U
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- 238000009826 distribution Methods 0.000 title claims abstract description 33
- 230000006698 induction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent nuclear phase device used for a P-type power distribution station comprising a first capacitance transducer, a second capacitance transducer, a signal processing circuit, a microprocessor, a power supply, a switch circuit, a power indicating lamp, a first line electric indicating lamp, a second line electric indicating lamp, an in-phase indicating lamp, and an out-phase indicating lamp. According to the intelligent nuclear phase device used for the P-type power distribution station, the capacitance transducer adopting the field intensity method to acquire voltages and voltage phase signals of different nuclear phase units of the P-type power distribution station, and then the phase relationship of the different nuclear phase units of the P-type power distribution station can be checked by the phase differences, therefore the safe operation of the power system can be guaranteed. The intelligent nuclear phase device used for the P-type power distribution station is advantageous in that the nuclear phases are accurate, and are not affected by the high or low coupling voltages of the capacitance sensors, therefore the wide popularity is provided; the live-line detection function can be provided.
Description
Technical field
The utility model belongs to Power System Intelligent transformer station technical field, relates to a kind of intelligent phase checking device for P type distribution substation.
Background technology
Substantially adopt traditional electrical pressure reduction mode to check phase place for P type distribution substation high-tension line phase checking device at present, this kind mode is for checking out phase place more exactly under two essentially identical situations of line voltage distribution, with phase time voltage difference minimum, it is generally acknowledged near null value, voltage difference is bigger during out-phase, but under the different situation of two line voltage distributions, even it is also bigger with the phase time voltage difference, adopt voltage difference formula nuclear phase can't judge homophase or out-phase, especially in actual applications, it is consistent that the magnitude of voltage that capacitance type sensor electric capacity difference is coupled out can not reach fully, so can there be serious problem in test to traditional voltage difference phase checking device to the high-tension line nuclear phase.
Summary of the invention
The purpose of this utility model, a kind of voltage and voltage phase signal that utilizes electric field method to obtain P type distribution substation nuclear phase unit by coupling scheme is provided in order to address the above problem exactly, and then check phase relation between the P type distribution substation different units by phase-difference type, ensure the intelligent phase checking device of the safe operation of electric system.
The purpose of this utility model is achieved in that
A kind of intelligent phase checking device for P type distribution substation of the present utility model, comprise first capacitive transducer, second capacitive transducer, signal processing circuit, microprocessor, power supply, on-off circuit, power light, the charged pilot lamp of first circuit, the charged pilot lamp of second circuit, homophase pilot lamp and out-phase pilot lamp, wherein:
The output terminal of described first capacitive transducer and second capacitive transducer is connected with the input end of described signal processing circuit respectively, the output terminal of described signal processing circuit is connected with the A/D port of described microprocessor, the output terminal of described power supply is connected with the input end of described on-off circuit, the output terminal of described on-off circuit is connected with the power end of described power light and microprocessor respectively, and the charged pilot lamp of described first circuit, the charged pilot lamp of second circuit, homophase pilot lamp and out-phase pilot lamp are connected with the I/0 port of described microprocessor respectively.
Above-mentioned a kind of intelligent phase checking device for P type distribution substation, wherein, described power supply is battery.
Above-mentioned a kind of intelligent phase checking device for P type distribution substation, wherein, described first capacitive transducer and second capacitive transducer are the induction type capacitive transducer, and electric capacity is 15-150P.
Above-mentioned a kind of intelligent phase checking device for P type distribution substation, wherein, described power light, the charged pilot lamp of first circuit, the charged pilot lamp of second circuit, homophase pilot lamp and out-phase pilot lamp are the light emitting diode of high brightness.
Above-mentioned a kind of intelligent phase checking device for P type distribution substation, wherein, described signal processing circuit comprises the first Sheffer stroke gate element circuit, the second Sheffer stroke gate element circuit, the 3rd Sheffer stroke gate element circuit, not gate element circuit, first to the 5th resistance, diode, electric capacity, first power supply and second source, wherein:
The first input end of the described first Sheffer stroke gate element circuit connects described first power supply, and second input end connects the output terminal of described first capacitive transducer, and output terminal connects the first input end of the described second Sheffer stroke gate element circuit;
Second input end of the described second Sheffer stroke gate element circuit connects the output terminal of described not gate element circuit, and output terminal connects the first input end of described the 3rd Sheffer stroke gate element circuit;
Second input end of described the 3rd Sheffer stroke gate element circuit is by capacity earth, and output terminal connects the A/D port of described microprocessor;
The input end of described not gate element circuit connects the output terminal of described second capacitive transducer, and output terminal connects second input end of described the 3rd Sheffer stroke gate element circuit by first resistance;
The positive pole of described diode connects the output terminal of described not gate element circuit, and negative pole connects the output terminal of the described first Sheffer stroke gate element circuit;
The output terminal of described not gate element circuit connects second source by second resistance, and the output terminal of the described first Sheffer stroke gate element circuit connects second source by the 3rd resistance;
The output terminal of described the 3rd Sheffer stroke gate element circuit connects first power supply by the 4th resistance, and by the 5th resistance eutral grounding.
Above-mentioned a kind of intelligent phase checking device for P type distribution substation, wherein, described first power supply is 5V, described second source is 9V.
The utility model compared with prior art has following good effect:
(1) the utility model P type distribution substation is with in the intelligent phase checking device, utilize capacitive transducer to adopt standard-field strength method to obtain voltage and the voltage phase signal of P type distribution substation station different IPs facies unit, and then check phase relation between the P type distribution substation different units by phase differential, ensure the safe operation of electric system;
(2) the utility model P type distribution substation has nuclear with intelligent phase checking device and not just influenced by the capacitive transducer coupled voltages, has versatility widely;
(3) the intelligent phase checking device of the utility model P type distribution substation also has electroscope function.
Description of drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the circuit structure diagram of signal processing circuit in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See also Fig. 1, there is shown the intelligent phase checking device that the utility model is used for P type distribution substation.The utility model intelligence phase checking device comprises first capacitive transducer 1, second capacitive transducer 2, signal processing circuit 3, microprocessor 4, power supply 5, on-off circuit 6, power light 7, the charged pilot lamp 81 of first circuit, the charged pilot lamp 82 of second circuit, homophase pilot lamp 91 and out-phase pilot lamp 92, wherein:
The output terminal of first capacitive transducer 1 and second capacitive transducer 2 is connected with the input end of signal processing circuit 3 respectively, the output terminal of signal processing circuit 3 is connected with the A/D port of microprocessor 4, the output terminal of power supply 5 is connected with the input end of on-off circuit 6, the output terminal of on-off circuit 6 is connected with the power end of power light 7 with microprocessor 4 respectively, and the charged pilot lamp 81 of first circuit, the charged pilot lamp 82 of second circuit, homophase pilot lamp 91 and out-phase pilot lamp 92 are connected with the I/O port of microprocessor 4 respectively.
See also Fig. 2, there is shown the signal processing circuit in the utility model.Signal processing circuit 3 comprises the first Sheffer stroke gate element circuit A1, the second Sheffer stroke gate element circuit A2, the 3rd Sheffer stroke gate element circuit A3, not gate element circuit F, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, diode D, capacitor C, first power supply and second source, wherein:
The first input end of the first Sheffer stroke gate element circuit A1 connects first power supply, and second input end connects the output terminal of first capacitive transducer 1, and output terminal connects the first input end of the second Sheffer stroke gate element circuit A2;
Second input end of the second Sheffer stroke gate element circuit A2 connects the output terminal of not gate element circuit F, and output terminal connects the first input end of the 3rd Sheffer stroke gate element circuit A3;
Second input end of the 3rd Sheffer stroke gate element circuit A3 is by capacitor C ground connection, and output terminal connects the A/D port of microprocessor 4;
The input end of not gate element circuit F connects the output terminal of second capacitive transducer 2, and output terminal connects second input end of the 3rd Sheffer stroke gate element circuit A3 by first resistance R 1;
The positive pole of diode D connects the output terminal of not gate element circuit F, and negative pole connects the output terminal of the first Sheffer stroke gate element circuit A1;
The output terminal of not gate element circuit F connects second source by second resistance R 2, and output terminal the 3rd resistance R 3 of the first Sheffer stroke gate element circuit A1 connects second source;
The output terminal of the 3rd Sheffer stroke gate element circuit A3 connects first power supply by the 4th resistance R 4, and by the 5th resistance R 5 ground connection;
First power supply is 5V, and second source is 9V.
During nuclear phase, one of a high-tension apparatus in the input end of first capacitive transducer 1 and the P type distribution substation unit is contacted, be used for gathering voltage and the voltage phase signal of this phase high-tension apparatus; The input end of second capacitive transducer 2 is contacted with another high-tension apparatus in the P type distribution substation unit, be used for gathering voltage and the voltage phase signal of this phase high-tension apparatus, first capacitive transducer 1 and second capacitive transducer 2 are coupled out the power-frequency voltage signal with certain phase relation respectively, by signal processing circuit 3 voltage waveform signal with phase relation is taken out, obtain the phase differential pulse signal of two measured circuits simultaneously by the comparator circuit in the signal processing circuit 3, deliver in the microprocessor 4 and compare, if phase differential is in ± 10 ° of scopes, then think homophase, homophase pilot lamp 91 is lighted; If phase differential surpasses ± 30 ° of scopes, then think out-phase, out-phase pilot lamp 92 is lighted.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (6)
1. intelligent phase checking device that is used for P type distribution substation, it is characterized in that, described intelligent phase checking device comprises first capacitive transducer, second capacitive transducer, signal processing circuit, microprocessor, power supply, on-off circuit, power light, the charged pilot lamp of first circuit, the charged pilot lamp of second circuit, homophase pilot lamp and out-phase pilot lamp, wherein:
The output terminal of described first capacitive transducer and second capacitive transducer is connected with the input end of described signal processing circuit respectively, the output terminal of described signal processing circuit is connected with the A/D port of described microprocessor, the output terminal of described power supply is connected with the input end of described on-off circuit, the output terminal of described on-off circuit is connected with the power end of described power light and microprocessor respectively, and the charged pilot lamp of described first circuit, the charged pilot lamp of second circuit, homophase pilot lamp and out-phase pilot lamp are connected with the I/O port of described microprocessor respectively.
2. a kind of intelligent phase checking device for P type distribution substation as claimed in claim 1 is characterized in that described power supply is battery.
3. a kind of intelligent phase checking device for P type distribution substation as claimed in claim 1 it is characterized in that described first capacitive transducer and second capacitive transducer are the induction type capacitive transducer, and electric capacity is 15-150P.
4. a kind of intelligent phase checking device for P type distribution substation as claimed in claim 1, it is characterized in that described power light, the charged pilot lamp of first circuit, the charged pilot lamp of second circuit, homophase pilot lamp and out-phase pilot lamp are the light emitting diode of high brightness.
5. as each described a kind of intelligent phase checking device for P type distribution substation of claim 1 to 4, it is characterized in that, described signal processing circuit comprises the first Sheffer stroke gate element circuit, the second Sheffer stroke gate element circuit, the 3rd Sheffer stroke gate element circuit, not gate element circuit, first to the 5th resistance, diode, electric capacity, first power supply and second source, wherein:
The first input end of the described first Sheffer stroke gate element circuit connects described first power supply, and second input end connects the output terminal of described first capacitive transducer, and output terminal connects the first input end of the described second Sheffer stroke gate element circuit;
Second input end of the described second Sheffer stroke gate element circuit connects the output terminal of described not gate element circuit, and output terminal connects the first input end of described the 3rd Sheffer stroke gate element circuit;
Second input end of described the 3rd Sheffer stroke gate element circuit is by capacity earth, and output terminal connects the A/D port of described microprocessor;
The input end of described not gate element circuit connects the output terminal of described second capacitive transducer, and output terminal connects second input end of described the 3rd Sheffer stroke gate element circuit by first resistance;
The positive pole of described diode connects the output terminal of described not gate element circuit, and negative pole connects the output terminal of the described first Sheffer stroke gate element circuit;
The output terminal of described not gate element circuit connects second source by second resistance, and the output terminal of the described first Sheffer stroke gate element circuit connects second source by the 3rd resistance;
The output terminal of described the 3rd Sheffer stroke gate element circuit connects first power supply by the 4th resistance, and by the 5th resistance eutral grounding.
6. a kind of intelligent phase checking device for P type distribution substation as claimed in claim 5 is characterized in that described first power supply is 5V, and described second source is 9V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049346 CN203117289U (en) | 2013-01-29 | 2013-01-29 | Intelligent nuclear phase device used for P-type power distribution station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049346 CN203117289U (en) | 2013-01-29 | 2013-01-29 | Intelligent nuclear phase device used for P-type power distribution station |
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| Publication Number | Publication Date |
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| CN203117289U true CN203117289U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320049346 Expired - Lifetime CN203117289U (en) | 2013-01-29 | 2013-01-29 | Intelligent nuclear phase device used for P-type power distribution station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116075A (en) * | 2013-01-29 | 2013-05-22 | 上海市电力公司 | Intelligent phase-checking device for P-type power distribution station |
-
2013
- 2013-01-29 CN CN 201320049346 patent/CN203117289U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116075A (en) * | 2013-01-29 | 2013-05-22 | 上海市电力公司 | Intelligent phase-checking device for P-type power distribution station |
| CN103116075B (en) * | 2013-01-29 | 2015-07-08 | 上海市电力公司 | Intelligent phase-checking device for P-type power distribution station |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150708 |
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| RGAV | Abandon patent right to avoid regrant |