CN101776712A - Phasing tester - Google Patents
Phasing tester Download PDFInfo
- Publication number
- CN101776712A CN101776712A CN 201010109505 CN201010109505A CN101776712A CN 101776712 A CN101776712 A CN 101776712A CN 201010109505 CN201010109505 CN 201010109505 CN 201010109505 A CN201010109505 A CN 201010109505A CN 101776712 A CN101776712 A CN 101776712A
- Authority
- CN
- China
- Prior art keywords
- phase
- circuit
- nuclear
- comparison circuit
- phasing tester
- 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.)
- Pending
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to a phasing tester which comprises a casing, an indicating lamp, nuclear phase sockets and a built-in circuit module, wherein the indicating lamp is installed on a panel of the casing. The phasing tester is characterized in that electric signal wires introduced by the two paths of nuclear phase sockets are connected with a phase comparison circuit in the circuit module, the output of the phase comparison circuit is transmitted to the indicating lamp after the output of the phase comparison circuit passes through a phase shaping circuit, the nuclear phase sockets are correspondingly provided with three-phase electric signal inleads, and each phase corresponds to the phase comparison circuit, the phase shaping circuit and the indicating lamp of one path. The invention is designed aiming at induction type high-voltage electrified display devices, each induction type high-voltage electrified display device receives a three-phase electric signal waveform simultaneously, and the three-phase nuclear phase functions of two electrified displays can be finished once. The invention adopts an active phasing tester comprising an operational amplifier, enhances the accuracy of nuclear phases by simple circuit treatment and enhances the fault toleration capability; and moreover, the invention lights the indicating lamp by the power supply of an external power source, i.e. a light emitting diode (LED) and is beneficial to the observation of an operator, and the display is more bright and clear.
Description
Technical field:
The invention belongs to high pressure checkout equipment field, relate in particular to the matching used phasing tester of the charged display device of a kind of induction-type high-voltage.
Background technology:
Domestic and international existing phasing tester and the supporting use of high voltage display device, adopt single-phase nuclear power, its shortcoming: the one, operating process is loaded down with trivial details, and the 2nd, can not be applicable to the high voltage display device of induction type.
Summary of the invention:
The objective of the invention is to design a kind of charged display device of induction-type high-voltage that is applicable to, can carry out the phasing tester of nuclear phase simultaneously to the three-phase electricity signal of introducing.
Technical solution of the present invention is achieved in that a kind of phasing tester, comprise housing, be installed in pilot lamp, nuclear phase socket and built-in circuit module on the case panel, it is characterized in that the phase-comparison circuit in the phase electrical signal line connection circuit module that two-way nuclear phase socket introduces, pilot lamp is given in phase-comparison circuit output behind the phase-shaped circuit, the nuclear phase socket is to having three-phase electricity signal inlead, every corresponding No. one phase-comparison circuit, phase-shaped circuit and pilot lamp.Each phasing tester is accepted three tunnel phase electric signal waveforms simultaneously, can once finish two charged apparent three-phase nuclear phase functions.
The phase-comparison circuit of described circuit module is an integrated package by two operational amplifier encapsulation, the two-phase electrical signal line of two-way nuclear phase socket is connected on the 3rd pin and the 5th pin of integrated package respectively, it also is homophase (or anti-phase) input end of two operational amplifiers, integrated package the 1st pin and the 7th pin are the signal output part of comparator circuit, be the output terminal of two operational amplifiers also, each needs a slice integrated package mutually.
Described pilot lamp is a light emitting diode, this light emitting diode is connected in series the output terminal that is connected on behind the resistance by the integrated package of two operational amplifiers encapsulation, also be on the 1st pin and the 7th pin, the phase-shaped circuit is an electric capacity, this electric capacity is attempted by the light emitting diode two ends, utilize electric capacity to be shifted, thereby eliminate the influence of little phase differential (＜30 degree).
Described nuclear phase socket is the USB standard socket, and wherein shell is as a core, and three-phase is arranged in order, and all the other two cores are the power lead mouth.
The present invention utilizes external power source, introduces by a nuclear phase socket end.
The present invention is directed to the charged display device of induction-type high-voltage and design, each accepts 3 phase electric signal waveforms simultaneously, can once finish two charged apparent three-phase nuclear phase functions.The active phasing tester that it adopts operational amplifier to constitute by the processing of ball bearing made using, has improved the accuracy of nuclear phase, strengthens fault-tolerant ability; And lighting pilot lamp by external power source, also is LED, shows more limpid in sightly, helps the operator and observes, and for the electrical network nuclear phase provides a kind of simple instrument, satisfies the needs of electric system.
Description of drawings:
The present invention will be further described below in conjunction with concrete legend:
Fig. 1 phasing tester theory diagram
Fig. 2 phasing tester circuit diagram
Embodiment:
With reference to Fig. 1, a kind of phasing tester comprises housing, is installed in pilot lamp, nuclear phase socket and built-in circuit module on the case panel, and this built-in circuit module is made up of phase-comparison circuit and phase-shaped circuit successively.The nuclear phase socket is to having three-phase electricity signal inlead, every corresponding No. one phase-comparison circuit, phase-shaped circuit and pilot lamp.
With reference to Fig. 1 and 2, the nuclear phase socket is the USB standard socket, and three-phase is arranged in order, and all the other two cores are the power lead mouth.One end nuclear phase socket is respectively JP1-1 line, JP1-2 line, JP1-3 line, JP1-4 power lead, JP1-5 ground wire, and other end plug is 4 lines, is respectively JP2-1 line, JP2-2 line, JP2-3 line, JP2-5 ground wire, and wherein the JP2-4 line is unsettled.So-called homophase is meant JP1-1 line and JP2-1 line, JP1-2 line and JP2-2 line, and the JP1-3 line links to each other with the JP2-3 line, and pilot lamp does not work, and represents that its electrical signal phase of introducing is identical, and all the other any connected modes all can drive pilot lamp and light and then represent out-phase.During operation,, two nuclear phase lines can judge as long as being connect two charged apparent equipment respectively.
The phase-comparison circuit of described circuit module is an integrated package by two operational amplifier encapsulation, this figure is that example describes with the integrated package of a slice model LM358, the three corresponding integrated packages that three LM358 are arranged, be respectively U1, U2, U3, wherein the 3rd pin and the 5th pin are electric signal input end, the 1st pin and the 7th pin are the signal output part of comparator circuit, wherein the JP1-1 line of nuclear phase socket and JP2-1 line, JP1-2 line and JP2-2 line, JP1-3 line and JP2-3 line insert the 3rd pin and the 5th pin of three corresponding LM358 integrated package U1, U2, U3 respectively; After being connected in series a resistance R 1, R2, R3 respectively as light emitting diode D1, D2, the D3 of pilot lamp, correspondence is connected on the 1st pin and the 7th pin of LM358 integrated package U1, U2, U3, the phase-shaped circuit is an electric capacity, this electric capacity is attempted by the pilot lamp two ends, be the two ends that three capacitor C 1, C2, C3 are connected on light emitting diode D1, D2, D3 respectively also, carry out fault-tolerant shaping to three the tunnel respectively.
Claims (4)
1. phasing tester, comprise housing, be installed in pilot lamp, nuclear phase socket and built-in circuit module on the case panel, it is characterized in that the phase-comparison circuit in the phase electrical signal line connection circuit module that two-way nuclear phase socket introduces, pilot lamp is given in phase-comparison circuit output behind the phase-shaped circuit, the nuclear phase socket is to having three-phase electricity signal inlead, every corresponding No. one phase-comparison circuit, phase-shaped circuit and pilot lamp.
2. a kind of phasing tester according to claim 1, the phase-comparison circuit that it is characterized in that circuit module is an integrated package by two operational amplifier encapsulation, the two-phase electrical signal line of two-way nuclear phase socket is connected on the 3rd pin and the 5th pin of integrated package respectively, and the 1st pin of integrated package and the 7th pin are the signal output part of phase-comparison circuit.
3. a kind of phasing tester according to claim 1, it is characterized in that pilot lamp is a light emitting diode, this light emitting diode is connected in series on the output terminal of the integrated package that is connected on two operational amplifiers encapsulation behind the resistance, and the phase-shaped circuit is an electric capacity, and this electric capacity is attempted by the light emitting diode two ends.
4. a kind of phasing tester according to claim 1 is characterized in that the nuclear phase socket is the USB standard socket, and three-phase is arranged in order, and all the other two cores are the power lead mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010109505 CN101776712A (en) | 2010-02-11 | 2010-02-11 | Phasing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010109505 CN101776712A (en) | 2010-02-11 | 2010-02-11 | Phasing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101776712A true CN101776712A (en) | 2010-07-14 |
Family
ID=42513221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010109505 Pending CN101776712A (en) | 2010-02-11 | 2010-02-11 | Phasing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101776712A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893662A (en) * | 2010-07-23 | 2010-11-24 | 江苏省电力公司常州供电公司 | Nuclear phase method for digital transformer substation |
| CN102841254A (en) * | 2011-06-21 | 2012-12-26 | 施耐德电器工业公司 | Phase-comparing device with dual terminal connection |
| CN104950190A (en) * | 2015-05-27 | 2015-09-30 | 国家电网公司 | Novel high-voltage power line phasing tester and phasing test method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593364A (en) * | 1982-06-30 | 1984-01-10 | Anritsu Corp | Phase detection circuit |
| CN1017558B (en) * | 1988-06-24 | 1992-07-22 | 清华大学 | Synchronous phase-angle detector for synchro-generator |
| CN101258411A (en) * | 2005-09-09 | 2008-09-03 | Nxp股份有限公司 | Phase detector system |
| CN201654140U (en) * | 2010-02-11 | 2010-11-24 | 郑琛 | Nuclear phase detector |
-
2010
- 2010-02-11 CN CN 201010109505 patent/CN101776712A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593364A (en) * | 1982-06-30 | 1984-01-10 | Anritsu Corp | Phase detection circuit |
| CN1017558B (en) * | 1988-06-24 | 1992-07-22 | 清华大学 | Synchronous phase-angle detector for synchro-generator |
| CN101258411A (en) * | 2005-09-09 | 2008-09-03 | Nxp股份有限公司 | Phase detector system |
| CN201654140U (en) * | 2010-02-11 | 2010-11-24 | 郑琛 | Nuclear phase detector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893662A (en) * | 2010-07-23 | 2010-11-24 | 江苏省电力公司常州供电公司 | Nuclear phase method for digital transformer substation |
| CN101893662B (en) * | 2010-07-23 | 2013-08-07 | 江苏省电力公司常州供电公司 | Nuclear phase method for digital transformer substation |
| CN102841254A (en) * | 2011-06-21 | 2012-12-26 | 施耐德电器工业公司 | Phase-comparing device with dual terminal connection |
| CN104950190A (en) * | 2015-05-27 | 2015-09-30 | 国家电网公司 | Novel high-voltage power line phasing tester and phasing test method thereof |
| CN104950190B (en) * | 2015-05-27 | 2018-09-21 | 国家电网公司 | High-voltage electric power circuit phasing tester and its nuclear-phase method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102347552B (en) | Socket assembly with portable charger | |
| CN207882337U (en) | High voltage display device with self-checking function | |
| CN203798898U (en) | High-voltage electriferous display locking device | |
| CN101776712A (en) | Phasing tester | |
| CN204177908U (en) | Multifunctional line measurement instrument | |
| CN203164350U (en) | Intelligent distribution instrument | |
| CN201654140U (en) | Nuclear phase detector | |
| CN103499718A (en) | Electric energy meter connector connected through mutual inductor | |
| CN201689132U (en) | Plug-in type three-phase four-wire electronic type electric energy meter | |
| CN204086445U (en) | A kind of wire breakage detection device for cables | |
| CN203251092U (en) | Multifunctional transition source box | |
| CN202748438U (en) | Cable checking instrument | |
| CN201866548U (en) | Power-on display device of explosion-proof electric apparatus | |
| CN204205247U (en) | A kind of based on plug and the direct-connected miniaturized test adapter of printed board | |
| CN103217616B (en) | Intelligent wiring instrument | |
| CN203166791U (en) | Insulated power source box capable of automatically correcting phase sequence | |
| CN203166325U (en) | Power supply conversion module applied to production line mobile electric appliance cabinet | |
| CN203376379U (en) | Intelligent high-voltage electriferous display locking device | |
| CN214204215U (en) | Revolving stage cable switching device | |
| CN202475155U (en) | Novel motor voltage converting device | |
| CN201819920U (en) | Complex patchboard of full-automatic transformer-ratio bridge | |
| CN201000927Y (en) | Combined power supply line | |
| CN201820988U (en) | Power socket module | |
| CN201167294Y (en) | Control case for new type generator | |
| CN206311179U (en) | The big current test sensor of single current cold water meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100714 |