CN103592515A - Universal phase identifier - Google Patents
Universal phase identifier Download PDFInfo
- Publication number
- CN103592515A CN103592515A CN201310586656.1A CN201310586656A CN103592515A CN 103592515 A CN103592515 A CN 103592515A CN 201310586656 A CN201310586656 A CN 201310586656A CN 103592515 A CN103592515 A CN 103592515A
- Authority
- CN
- China
- Prior art keywords
- signal
- circuit
- resistance
- chip microcomputer
- zero passage
- 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.)
- Granted
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measuring Phase Differences (AREA)
Abstract
The invention discloses a universal phase identifier. The universal phase identifier comprises UA input signals, UB input signals and GND input signals, wherein the UA input signals pass a UA signal voltage division circuit so that large signals can be processes into small signals Ua, the Ua respectively pass a UA zero crossing shaping circuit and a UA signal follower circuit and then are respectively sent to a single-chip microcomputer processing circuit, the UB input signals pass a UB signal voltage division circuit so that large signals can be processes into small signals Ub, the Ub respectively pass a UB zero crossing shaping circuit and a UB signal follower circuit and then are respectively sent to the single-chip microcomputer processing circuit, the single-chip microcomputer processing circuit obtains the phase angle different value between the UA input signals and the UB input signals by reading the time difference of square signals obtained by the UA zero crossing shaping circuit and the UB zero crossing shaping circuit, the single-chip microcomputer processing circuit can know whether one side or two sides are in a decompression mode according to ADC signals obtained by the UA signal follower circuit and ADC signals obtained by the UB signal follower circuit, and the UA signal voltage division circuit and the UB signal voltage division circuit are respectively a voltage division circuit composed of a dial switch and a voltage division device.
Description
Technical field
The present invention relates to a kind of electrical principle for high-voltage potential indicator phase recognizer and structure.
Background technology
Similar products pass through by two electrification display nuclear phase mouths power taking of nuclear phase at present, by voltage checking chip such as voltage comparators as crucial motion device, when the voltage difference of two nuclear phase mouths reaches design load, indication loop is triggered, the bright expression unbalance in phase of LED lamp, LED lamp does not work, and represents phase equilibrium.
In the market, the voltage indicator principle that different manufacturers is produced is different, cause the potential indicator nuclear phase mouth voltage magnitude under same nominal voltage to differ larger, characteristic by two nuclear phase mouth voltage differences as basis for estimation, phase recognizer on market must be customized, and cannot on the potential indicator of different manufacturers, carry out nuclear phase.There is following defect in this design and layout:
1. because the high-voltage potential indicator of client is of a great variety, and nuclear phase mouth magnitude of voltage is different under rated voltage, make the model of current phase recognizer various, universal performance is poor, be unfavorable for the large-scale production of product, the friendship phase is long, cost is high (customized production);
2. in national standard, must meet phase identification function and a side decompression measuring ability, when nuclear phase mouth voltage is lower, the phase recognizer judging by nuclear phase mouth voltage difference cannot meet above requirement simultaneously simultaneously;
3. the accuracy of phase identification is low.
For this reason, application number is that 201220687774.2 utility model patent discloses a kind of handheld digital and shows phasing tester, this scheme comprises that 2 for being made into a phase input voltage squaring circuit of square-wave signal, for the square-wave signal of 2 squaring circuit outputs being carried out to the phase detector of phase demodulation output rect.p., for the frequency divider to rect.p. frequency division, for the pulse after frequency divider frequency division is compared to the single-chip microcomputer that computing obtains phase difference value, for phase difference value being carried out to the display that numeral shows, the active phasing tester that this patent adopts operational amplifier to form, improved the accuracy of nuclear phase, strengthened fault-tolerant ability.But the square wave reshaping signal that this patent is described carries out frequency division processing by a series of hardware circuit, phase difference value calculation of complex, and process and may cause distorted signals through the signal of too many levels; This patent only compares phase place simultaneously, does not detect a side decompression or both sides decompression, cannot realize the versatility of nuclear phase for different electrification displays.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes a kind of universal phase recognizer, by changing the principle that realizes of its internal circuit, reach the general utility functions of a tractor serves several purposes, and meet phase identification function and a side decompression measuring ability, the accuracy that improves phase identification, thereby the deficiency of solution prior art simultaneously.
In order to solve the problems of the technologies described above, thinking of the present invention is, by changing the principle that realizes of its internal circuit, introduce Single Chip Microcomputer (SCM) system, adopt ADC technology, phasing degree judgement, increase toggle switch simultaneously, reach the general utility functions of a tractor serves several purposes----same phase recognizer, by arranging of some toggle switchs, can realize gamut and detect, substantially cover existing product.In addition, introduce ground signalling, by the phasing degree judgement of two tested waveforms, carry out accurate nuclear phase.Meanwhile, new control circuit is abandoned the limitation of mimic channel (cannot judge during low-voltage), adopts Single Chip Microcomputer (SCM) system, by digital signal processing, improves the dirigibility of design and the accuracy of judgement.In addition, phase equilibrium indication and unbalance in phase indication are separated, improve the identifiability of phase recognizer.
Concrete, universal phase recognizer of the present invention, comprise UA input signal, UB input signal and GND input signal, UA input signal is processed into small-signal Ua through UA signal bleeder circuit by large-signal, this small-signal Ua is sent to single-chip microcomputer treatment circuit after UA zero passage shaping circuit is shaped as square-wave signal, meanwhile, this small-signal Ua is sent to single-chip microcomputer treatment circuit after UA signal follow circuit is processed; UB input signal is processed into small-signal Ub through UB signal bleeder circuit by large-signal, this small-signal Ub is sent to single-chip microcomputer treatment circuit after UB zero passage shaping circuit is shaped as square-wave signal, simultaneously, this small-signal Ub is sent to single-chip microcomputer treatment circuit after UB signal follow circuit is processed, single-chip microcomputer treatment circuit, by reading the mistiming of the square-wave signal obtaining through UA zero passage shaping circuit and the square-wave signal obtaining through UB zero passage shaping circuit, obtains the phasing degree difference of UA input signal and UB input signal; Simultaneously, UA input signal is also sent to single-chip microcomputer treatment circuit after UA signal follow circuit, UB input signal is also sent to single-chip microcomputer treatment circuit after UB signal follow circuit, and whether the ADC signal that the ADC signal that single-chip microcomputer treatment circuit obtains according to UA signal follow circuit and UB signal follow circuit obtain obtains a side decompression or both sides decompression; GND input signal is connected with single-chip microcomputer treatment circuit with UA zero passage shaping circuit, UA signal follow circuit, UB zero passage shaping circuit, UB signal follow circuit respectively.Simultaneously, the bleeder circuit that UA signal bleeder circuit and UB signal bleeder circuit are all comprised of toggle switch, partial pressure device, it act as the Ua small-signal/Ub small-signal that the UA input signal of different amplitudes under various occasions or UB input signal is processed into respectively to identical amplitude, to reach the object that various occasions are general, and realize the accuracy of phase identification.
Further, described UA zero passage shaping circuit comprises resistance R 26, resistance R 22, resistance R 20, resistance R 5, zero passage comparable chip U3A, resistance R 18, diode D1 and resistance R 27, one end of resistance R 22 connects toggle switch S1, and one end of contact resistance R20 after the other end resistance in series R26 of resistance R 22 is, another termination GND input signal of one end of resistance R 5 and toggle switch S1, resistance R 20; The other end of resistance R 5 is taken over the in-phase input end of zero balancing chip U3A, the anti-phase input termination GND input signal of zero passage comparable chip U3A, one end and the single-chip microcomputer treatment circuit of contact resistance R27 after the output terminal series diode D1 of zero passage comparable chip U3A, another termination GND input signal of resistance R 27, the two ends of resistance R 18 connect respectively output terminal and the common port of zero passage comparable chip U3A.
Further, described UA signal follow circuit comprises operational amplifier U2A and resistance R 4, the in-phase input end of operational amplifier U2A connects toggle switch S1, the output terminal of the inverting input concatenation operation amplifier U2A of operational amplifier U2A, the output terminal of operational amplifier U2A is one end and the single-chip microcomputer treatment circuit of contact resistance R4 also, the other end ground connection of resistance R 4.
Further, described UB zero passage shaping circuit comprises resistance R 28, resistance R 23, resistance R 21, resistance R 7, zero passage comparable chip U3B, resistance R 19, diode D2 and resistance R 29, one end of resistance R 23 connects toggle switch S1, and one end of contact resistance R21 after the other end resistance in series R28 of resistance R 23 is, another termination GND input signal of one end of resistance R 7 and toggle switch S1, resistance R 21; The other end of resistance R 7 is taken over the in-phase input end of zero balancing chip U3B, the anti-phase input termination GND input signal of zero passage comparable chip U3B, one end and the single-chip microcomputer treatment circuit of contact resistance R29 after the output terminal series diode D2 of zero passage comparable chip U3B, another termination GND input signal of resistance R 29, the two ends of resistance R 19 connect respectively output terminal and the common port of zero passage comparable chip U3B.
Further, described UB signal follow circuit comprises operational amplifier U2B and resistance R 6, the in-phase input end of operational amplifier U2B connects toggle switch S1, the output terminal of the inverting input concatenation operation amplifier U2B of operational amplifier U2B, the output terminal of operational amplifier U2B is one end and the single-chip microcomputer treatment circuit of contact resistance R6 also, the other end ground connection of resistance R 6.
Further, this universal phase recognizer also comprises power circuit, reset circuit of SCM, external clock oscillatory circuit and the LED display circuit being connected with single-chip microcomputer treatment circuit.
Phasing tester of the present invention has three input signals: UA input signal, measured signal 1 input; UB input signal, measured signal 2 inputs, GND input signal, the input of system under test (SUT) earth signal.Wherein UA input signal, UB input signal are two tested comparison of signal phase.The treatment circuit of UA input signal is identical with treatment circuit and the shaping circuit of UB input signal with shaping circuit.Take UB input signal as example, first the bleeder circuit that utilizes resistance R 21, resistance R 23, resistance R 28 to form, large-signal is treated to small-signal, and the sine wave signal process U3B zero passage comparable chip by dividing potential drop gained, converts square-wave signal PBO_PGD to and exports to single-chip microcomputer treatment circuit.Same, UA input signal converts square-wave signal PAO to and exports to single-chip microcomputer treatment circuit, single-chip microcomputer treatment circuit, by reading the mistiming of PBO_PGD and two zero cross signals of PAO, can obtain the phasing degree difference of two measured signals (UA input signal and UB input signal).In addition, UB input signal after operational amplifier U2B, export VBO to single-chip microcomputer treatment circuit as ADC sampled signal, simultaneously, UA input signal after operational amplifier U2A, export VAO to single-chip microcomputer treatment circuit as ADC sampled signal, single-chip microcomputer can accurately judge measured signal whether a side decompression or both sides decompression according to two ADC sampled datas.
In circuit, resistance R 23 is by the setting of toggle switch S1, can realize multiple combination, can select different mode of operations according to actual service condition, when if the amplitude of the nuclear phase mouth signal UB of tested high-voltage potential indicator is larger, by S1, select not place in circuit of R23, the resulting small-signal Ub of bleeder circuit ratio is less, but amplitude equals design load; If the amplitude of the nuclear phase mouth signal UB of tested high-voltage potential indicator hour, by S1, select R23 place in circuit, bleeder circuit R23||R28 is in parallel, resulting small-signal Ub large percentage, keep Ub amplitude constant, also equal design load, as can be seen here, setting by S1 can realize (amplitude of UA input signal, UB input signal is different) under different occasions, small-signal Ua, Ub amplitude after UA signal bleeder circuit or UB signal bleeder circuit are processed remain unchanged, realize general, thereby realize the function of a tractor serves several purposes.
Existing phase identification system or employing as unique foundation, cannot truly be reflected its phase relation by the voltage difference of kernel phase system, have serious misjudgment phenomenon; Or only its phase differential is compared, do not carry out a side decompression judgement, do not meet the relevant regulations of national grid, and processing of circuit is complicated, may have distorted signals, judges inaccurate.In this circuit, earth signal GND is introduced in measured signal, by two by true, complete being incorporated in control system of the waveform of nuclear phase electrical voltage system, and send to single-chip microcomputer to process after effectively processing with zero cross detection circuit and adc circuit are simple respectively, can be accurately, reliably to the phase relation of measured signal and a side decompression, both sides decompression judge accurately; The setting of toggle switch S1, realizes the function of a tractor serves several purposes.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
The present invention by change prior art phase recognizer internal circuit realize principle, introduce Single Chip Microcomputer (SCM) system, adopt ADC technology, phasing degree judgement, increase toggle switch simultaneously, reach the general utility functions of a tractor serves several purposes----same product, by arranging of some toggle switchs, can realize gamut and detect, substantially cover existing product.In addition, introduce ground signalling, by the phasing degree judgement of two tested waveforms, carry out accurate nuclear phase.Meanwhile, new control circuit is abandoned the limitation of mimic channel (cannot judge during low-voltage), adopts Single Chip Microcomputer (SCM) system, by digital signal processing, improves the dirigibility of design and the accuracy of judgement.In addition, phase equilibrium indication and unbalance in phase indication are separated, improve the identifiability of phase recognizer.
Concrete, referring to Fig. 1, universal phase recognizer of the present invention, comprise UA input signal, UB input signal and GND input signal, UA input signal, UB input signal and GND input signal, UA input signal is processed into small-signal Ua through UA signal bleeder circuit by large-signal, and this small-signal Ua is sent to single-chip microcomputer treatment circuit after UA zero passage shaping circuit is shaped as square-wave signal, meanwhile, this small-signal Ua is sent to single-chip microcomputer treatment circuit after UA signal follow circuit is processed; UB input signal is processed into small-signal Ub through UB signal bleeder circuit by large-signal, this small-signal Ub is sent to single-chip microcomputer treatment circuit after UB zero passage shaping circuit is shaped as square-wave signal, simultaneously, this small-signal Ub is sent to single-chip microcomputer treatment circuit after UB signal follow circuit is processed, single-chip microcomputer treatment circuit, by reading the mistiming of the square-wave signal obtaining through UA zero passage shaping circuit and the square-wave signal obtaining through UB zero passage shaping circuit, obtains the phasing degree difference of UA input signal and UB input signal; Simultaneously, UA input signal is also sent to single-chip microcomputer treatment circuit after UA signal follow circuit, UB input signal is also sent to single-chip microcomputer treatment circuit after UB signal follow circuit, and whether the ADC signal that the ADC signal that single-chip microcomputer treatment circuit obtains according to UA signal follow circuit and UB signal follow circuit obtain obtains a side decompression or both sides decompression; GND input signal is connected with single-chip microcomputer treatment circuit with UA zero passage shaping circuit, UA signal follow circuit, UB zero passage shaping circuit, UB signal follow circuit respectively.Simultaneously, the bleeder circuit that UA signal bleeder circuit and UB signal bleeder circuit are all comprised of toggle switch, partial pressure device, it act as the Ua small-signal/Ub small-signal that the UA input signal of different amplitudes under various occasions or UB input signal is processed into respectively to identical amplitude, to reach the object that various occasions are general, and realize the accuracy of phase identification.In addition, this universal phase recognizer also comprises power circuit, reset circuit of SCM, external clock oscillatory circuit and the LED display circuit being connected with single-chip microcomputer treatment circuit.
Referring to Fig. 2, described UA zero passage shaping circuit comprises resistance R 26, resistance R 22, resistance R 20, resistance R 5, zero passage comparable chip U3A, resistance R 18, diode D1 and resistance R 27, one end of resistance R 22 connects toggle switch S1, and one end of contact resistance R20 after the other end resistance in series R26 of resistance R 22 is, another termination GND input signal of one end of resistance R 5 and toggle switch S1, resistance R 20; The other end of resistance R 5 is taken over the in-phase input end of zero balancing chip U3A, the anti-phase input termination GND input signal of zero passage comparable chip U3A, one end and the single-chip microcomputer treatment circuit of contact resistance R27 after the output terminal series diode D1 of zero passage comparable chip U3A, another termination GND input signal of resistance R 27, the two ends of resistance R 18 connect respectively output terminal and the common port of zero passage comparable chip U3A.Zero passage comparable chip U3A is for being shaped to square-wave signal by UA sine wave signal.
Described UA signal follow circuit comprises operational amplifier U2A and resistance R 4, the in-phase input end of operational amplifier U2A connects toggle switch S1, the output terminal of the inverting input concatenation operation amplifier U2A of operational amplifier U2A, the output terminal of operational amplifier U2A is one end and the single-chip microcomputer treatment circuit of contact resistance R4 also, the other end ground connection of resistance R 4.Operational amplifier U2A realizes the signal of UA and processes, for single-chip microcomputer treatment circuit provides ADC signal.
Described UB zero passage shaping circuit comprises resistance R 28, resistance R 23, resistance R 21, resistance R 7, zero passage comparable chip U3B, resistance R 19, diode D2 and resistance R 29, one end of resistance R 23 connects toggle switch S1, and one end of contact resistance R21 after the other end resistance in series R28 of resistance R 23 is, another termination GND input signal of one end of resistance R 7 and toggle switch S1, resistance R 21; The other end of resistance R 7 is taken over the in-phase input end of zero balancing chip U3B, the anti-phase input termination GND input signal of zero passage comparable chip U3B, one end and the single-chip microcomputer treatment circuit of contact resistance R29 after the output terminal series diode D2 of zero passage comparable chip U3B, another termination GND input signal of resistance R 29, the two ends of resistance R 19 connect respectively output terminal and the common port of zero passage comparable chip U3B.Zero passage comparable chip U3B, for being shaped to square-wave signal by UB sine wave signal.Single-chip microcomputer treatment circuit judges its phase differential according to two square-wave signals of UA zero passage shaping circuit and the output of UB zero passage shaping circuit.
Described UB signal follow circuit comprises operational amplifier U2B and resistance R 6, the in-phase input end of operational amplifier U2B connects toggle switch S1, the output terminal of the inverting input concatenation operation amplifier U2B of operational amplifier U2B, the output terminal of operational amplifier U2B is one end and the single-chip microcomputer treatment circuit of contact resistance R6 also, the other end ground connection of resistance R 6.Operational amplifier U2B realizes the signal of UB and processes, for single-chip microcomputer treatment circuit provides ADC signal.Single-chip microcomputer treatment circuit judges its whether decompression according to two ADC signals of UA signal follow circuit and UB signal follow circuit output.
Concrete, in foregoing circuit, in power circuit, comprising battery BT1, this BT1 is built-in 3.6V battery, resistance R 24 and resistance R 25 form low electric quantity detecting circuit, and battery electric quantity is monitored, and realize low electric weight and report to the police.In reset circuit of SCM, resistance R 8 and capacitor C 1 form RC reset circuit, for single-chip microcomputer treatment circuit provides reset signal.In external clock oscillating circuit, crystal oscillator XTAL, capacitor C 2 and capacitor C 3 form outside oscillating circuit, for single-chip microcomputer treatment circuit provides clock signal.In signal input circuit, there are three input signals: UA input signal, measured signal 1 input; UB input signal, measured signal 2 inputs, GND input signal, the input of system under test (SUT) earth signal.Wherein UA input signal, UB input signal are two tested comparison of signal phase.The treatment circuit of UA input signal is identical with treatment circuit and the shaping circuit of UB input signal with shaping circuit.Take UB input signal as example, first the bleeder circuit that utilizes resistance R 21, resistance R 23, resistance R 28 to form, large-signal is treated to small-signal, and the sine wave signal process U3B zero passage comparable chip by dividing potential drop gained, converts square-wave signal PBO_PGD to and exports to single-chip microcomputer treatment circuit.Same, UA input signal converts square-wave signal PAO to and exports to single-chip microcomputer treatment circuit, single-chip microcomputer treatment circuit, by reading the mistiming of PBO_PGD and two zero cross signals of PAO, can obtain the phasing degree difference of two measured signals (UA input signal and UB input signal).In addition, UB input signal after operational amplifier U2B, export VBO to single-chip microcomputer treatment circuit as ADC sampled signal, simultaneously, UA input signal after operational amplifier U2A, export VAO to single-chip microcomputer treatment circuit as ADC sampled signal, single-chip microcomputer can accurately judge measured signal whether a side decompression or both sides decompression according to two ADC sampled datas.
LED display circuit, comprises light emitting diode L1, light emitting diode L2 and light emitting diode L3, and wherein, L1 lamp is bright, represents measured signal phase equilibrium (homophase); L2 lamp is bright, represents measured signal unbalance in phase (out-phase); L3 lamp is bright, represents that battery electric quantity is low.
In circuit, resistance R 23, by the setting of toggle switch S1, can realize multiple combination, can select different mode of operations according to actual service condition, realize general, thereby realize the function of a tractor serves several purposes.In addition, existing phase identification system all adopts by the voltage difference of kernel phase system as unique foundation, cannot truly reflect its phase relation, has serious misjudgment phenomenon, and the present invention introduces ground signalling, by two by true, complete being incorporated in control system of the waveform of nuclear phase electrical voltage system; Utilize sine wave characteristics, respectively with zero cross detection circuit and adc circuit to the phase relation of measured signal and a side decompression, both sides decompression judge accurately.Meanwhile, the present invention, by the application of simple zero cross detection circuit, voltage follower circuit, bleeder circuit etc., has optimized the whole function of phase recognizer.Circuit of the present invention is simple, is easy to realize, and has good practicality.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (6)
1. universal phase recognizer, it is characterized in that: comprise UA input signal, UB input signal and GND input signal, UA input signal is processed into small-signal Ua through UA signal bleeder circuit by large-signal, this small-signal Ua is sent to single-chip microcomputer treatment circuit after UA zero passage shaping circuit is shaped as square-wave signal, meanwhile, this small-signal Ua is sent to single-chip microcomputer treatment circuit after UA signal follow circuit is processed; UB input signal is processed into small-signal Ub through UB signal bleeder circuit by large-signal, this small-signal Ub is sent to single-chip microcomputer treatment circuit after UB zero passage shaping circuit is shaped as square-wave signal, simultaneously, this small-signal Ub is sent to single-chip microcomputer treatment circuit after UB signal follow circuit is processed, single-chip microcomputer treatment circuit, by reading the mistiming of the square-wave signal obtaining through UA zero passage shaping circuit and the square-wave signal obtaining through UB zero passage shaping circuit, obtains the phasing degree difference of UA input signal and UB input signal; Simultaneously, UA input signal is also sent to single-chip microcomputer treatment circuit after UA signal follow circuit, UB input signal is also sent to single-chip microcomputer treatment circuit after UB signal follow circuit, and whether the ADC signal that the ADC signal that single-chip microcomputer treatment circuit obtains according to UA signal follow circuit and UB signal follow circuit obtain obtains a side decompression or both sides decompression; GND input signal is connected with single-chip microcomputer treatment circuit with UA zero passage shaping circuit, UA signal follow circuit, UB zero passage shaping circuit, UB signal follow circuit respectively;
The bleeder circuit that described UA signal bleeder circuit and UB signal bleeder circuit are all comprised of toggle switch and partial pressure device.
2. universal phase recognizer according to claim 1, it is characterized in that: described UA zero passage shaping circuit comprises resistance R 26, resistance R 22, resistance R 20, resistance R 5, zero passage comparable chip U3A, resistance R 18, diode D1 and resistance R 27, one end of resistance R 22 connects toggle switch S1, and one end of contact resistance R20 after the other end resistance in series R26 of resistance R 22 is, another termination GND input signal of one end of resistance R 5 and toggle switch S1, resistance R 20; The other end of resistance R 5 is taken over the in-phase input end of zero balancing chip U3A, the anti-phase input termination GND input signal of zero passage comparable chip U3A, one end and the single-chip microcomputer treatment circuit of contact resistance R27 after the output terminal series diode D1 of zero passage comparable chip U3A, another termination GND input signal of resistance R 27, the two ends of resistance R 18 connect respectively output terminal and the common port of zero passage comparable chip U3A.
3. universal phase recognizer according to claim 2, it is characterized in that: described UA signal follow circuit comprises operational amplifier U2A and resistance R 4, the in-phase input end of operational amplifier U2A connects toggle switch S1, the output terminal of the inverting input concatenation operation amplifier U2A of operational amplifier U2A, the output terminal of operational amplifier U2A is one end and the single-chip microcomputer treatment circuit of contact resistance R4 also, the other end ground connection of resistance R 4.
4. according to the universal phase recognizer described in claim 1 or 2 or 3, it is characterized in that: described UB zero passage shaping circuit comprises resistance R 28, resistance R 23, resistance R 21, resistance R 7, zero passage comparable chip U3B, resistance R 19, diode D2 and resistance R 29, one end of resistance R 23 connects toggle switch S1, and one end of contact resistance R21 after the other end resistance in series R28 of resistance R 23 is, another termination GND input signal of one end of resistance R 7 and toggle switch S1, resistance R 21; The other end of resistance R 7 is taken over the in-phase input end of zero balancing chip U3B, the anti-phase input termination GND input signal of zero passage comparable chip U3B, one end and the single-chip microcomputer treatment circuit of contact resistance R29 after the output terminal series diode D2 of zero passage comparable chip U3B, another termination GND input signal of resistance R 29, the two ends of resistance R 19 connect respectively output terminal and the common port of zero passage comparable chip U3B.
5. universal phase recognizer according to claim 4, it is characterized in that: described UB signal follow circuit comprises operational amplifier U2B and resistance R 6, the in-phase input end of operational amplifier U2B connects toggle switch S1, the output terminal of the inverting input concatenation operation amplifier U2B of operational amplifier U2B, the output terminal of operational amplifier U2B is one end and the single-chip microcomputer treatment circuit of contact resistance R6 also, the other end ground connection of resistance R 6.
6. universal phase recognizer according to claim 1, is characterized in that: this universal phase recognizer also comprises power circuit, reset circuit of SCM, external clock oscillatory circuit and the LED display circuit being connected with single-chip microcomputer treatment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586656.1A CN103592515B (en) | 2013-11-21 | 2013-11-21 | universal phase identifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586656.1A CN103592515B (en) | 2013-11-21 | 2013-11-21 | universal phase identifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103592515A true CN103592515A (en) | 2014-02-19 |
| CN103592515B CN103592515B (en) | 2016-10-05 |
Family
ID=50082732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310586656.1A Active CN103592515B (en) | 2013-11-21 | 2013-11-21 | universal phase identifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103592515B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330630A (en) * | 2014-10-31 | 2015-02-04 | 许继电气股份有限公司 | High-accuracy analog quantity phase difference measuring method |
| CN105929259A (en) * | 2016-06-14 | 2016-09-07 | 江苏科技大学 | Phase sequence determining circuit and method of position sensor of brushless DC motor |
| CN108008186A (en) * | 2017-12-08 | 2018-05-08 | 江苏智臻能源科技有限公司 | The separate configuration device of the non-intelligent terminal of registering one's residence of one kind and method |
| CN111856163A (en) * | 2020-07-10 | 2020-10-30 | 大连理工大学 | Non-contact single-rod asynchronous phase checking method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999059754A1 (en) * | 1998-05-15 | 1999-11-25 | Advanced Nano Technologies Pty Ltd | Process for the production of ultrafine powders |
| CN2363286Y (en) * | 1999-01-08 | 2000-02-09 | 北京华奥电力设备有限公司 | Three-phase power supply measuring and monitoring instrument |
| CN201845054U (en) * | 2010-09-15 | 2011-05-25 | 马万超 | Multifunctional digital phase detection measuring instrument |
| CN202994903U (en) * | 2012-12-13 | 2013-06-12 | 武汉泰可电气有限公司 | Hand-held digital display phase checking device |
| CN203299274U (en) * | 2013-07-03 | 2013-11-20 | 山东科技大学 | High tension switchgear phase measurement circuit |
| CN203535116U (en) * | 2013-11-21 | 2014-04-09 | 厦门安达兴电气集团有限公司 | Universal phase recognizer |
-
2013
- 2013-11-21 CN CN201310586656.1A patent/CN103592515B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999059754A1 (en) * | 1998-05-15 | 1999-11-25 | Advanced Nano Technologies Pty Ltd | Process for the production of ultrafine powders |
| CN2363286Y (en) * | 1999-01-08 | 2000-02-09 | 北京华奥电力设备有限公司 | Three-phase power supply measuring and monitoring instrument |
| CN201845054U (en) * | 2010-09-15 | 2011-05-25 | 马万超 | Multifunctional digital phase detection measuring instrument |
| CN202994903U (en) * | 2012-12-13 | 2013-06-12 | 武汉泰可电气有限公司 | Hand-held digital display phase checking device |
| CN203299274U (en) * | 2013-07-03 | 2013-11-20 | 山东科技大学 | High tension switchgear phase measurement circuit |
| CN203535116U (en) * | 2013-11-21 | 2014-04-09 | 厦门安达兴电气集团有限公司 | Universal phase recognizer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330630A (en) * | 2014-10-31 | 2015-02-04 | 许继电气股份有限公司 | High-accuracy analog quantity phase difference measuring method |
| CN105929259A (en) * | 2016-06-14 | 2016-09-07 | 江苏科技大学 | Phase sequence determining circuit and method of position sensor of brushless DC motor |
| CN108008186A (en) * | 2017-12-08 | 2018-05-08 | 江苏智臻能源科技有限公司 | The separate configuration device of the non-intelligent terminal of registering one's residence of one kind and method |
| CN108008186B (en) * | 2017-12-08 | 2024-04-05 | 江苏智臻能源科技有限公司 | Non-home intelligent terminal phase configuration device and method |
| CN111856163A (en) * | 2020-07-10 | 2020-10-30 | 大连理工大学 | Non-contact single-rod asynchronous phase checking method |
| CN111856163B (en) * | 2020-07-10 | 2021-05-07 | 大连理工大学 | Non-contact single-rod asynchronous phase checking method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103592515B (en) | 2016-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103592515A (en) | Universal phase identifier | |
| CN203870199U (en) | GIS lossless monitoring apparatus based on full-life management | |
| CN107462771A (en) | A kind of phase frequency harvester based on double Schmidt triggers | |
| CN203535116U (en) | Universal phase recognizer | |
| CN204086435U (en) | A kind of microcomputer relay protection tester | |
| CN112180176A (en) | Capacitance value measuring circuit and method based on constant current source | |
| CN202815193U (en) | Battery test device | |
| CN205120740U (en) | Motor rotational speed comprehensive testing system | |
| CN107656235A (en) | A kind of measurement apparatus and method of computation chip reference voltage | |
| CN102901854A (en) | Full-automatic, multi-parameter, wide-range and low-cost radio link control (RLC) testing device | |
| CN202994903U (en) | Hand-held digital display phase checking device | |
| CN110308412A (en) | A kind of method and its system of automatically calibrating electrical high capability instrument instrument | |
| CN203204073U (en) | Digital phase-difference measuring instrument | |
| CN204832345U (en) | Digital phase measurement appearance | |
| CN205079729U (en) | Simulation LVDT sensor module | |
| CN103438911B (en) | LC resonant transducer reading system under fixed pattern frequently and method | |
| CN210005590U (en) | forward and reverse microwave power measuring circuits | |
| CN204346459U (en) | The wafer test system of micro-mechanical gyroscope | |
| CN204129211U (en) | A kind of base passive and wireless multi-parameter sensor intelligent electric energy meter temperature rise detecting device | |
| CN203069744U (en) | Semiconductor triode parameter tester | |
| CN207318701U (en) | A kind of measuring device of computation chip reference voltage | |
| CN103142226B (en) | Human body resistance method of testing | |
| CN202471644U (en) | Intrinsically safe coal sample moisture content tester for mining | |
| CN206725649U (en) | A kind of measurement apparatus of power factor | |
| CN109856491A (en) | A kind of splitting visible multi-path signal intelligent detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Jinsong Inventor after: Su Qiuli Inventor after: Li Huowang Inventor before: Su Qiuli Inventor before: Chen Peng Inventor before: Ye Shengzhong Inventor before: Ma Xiaowei Inventor before: Li Huowang Inventor before: Huang Bin Inventor before: Zhou Xiue |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SU QIULI CHEN PENG YE SHENGZHONG MA XIAOWEI LI HUOWANG HUANG BIN ZHOU XIUE TO: WU JINSONG SU QIULI LI HUOWANG |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |