CN106154062B - Wireless telemetry nuclear phase instrument - Google Patents
Wireless telemetry nuclear phase instrument Download PDFInfo
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- CN106154062B CN106154062B CN201610569053.4A CN201610569053A CN106154062B CN 106154062 B CN106154062 B CN 106154062B CN 201610569053 A CN201610569053 A CN 201610569053A CN 106154062 B CN106154062 B CN 106154062B
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- 238000004891 communication Methods 0.000 claims abstract description 56
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 239000003623 enhancer Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 229920001690 polydopamine Polymers 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 13
- 230000001360 synchronised effect Effects 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000012952 Resampling Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/10—Measuring sum, difference or ratio
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The wireless telemetry phase checking instrument comprises a main measuring module and an auxiliary measuring module; the main measurement module comprises a first controller and a first current signal collector, the first current signal collector is connected with the first controller through a first signal converter, the first controller is connected with the data memory, and the first controller sends or receives signals outwards through a first wireless communication module; the auxiliary measuring module comprises a second controller and a second current signal collector, the second current signal collector is connected with the second controller through a second signal converter, the second controller sends or receives signals outwards through a second wireless communication module, and the first wireless communication module is connected with the second wireless communication module through a wireless network. The invention has the advantages that the wireless synchronous sampling voltage and current are adopted to compare the logarithmic values, the conclusion is objective and direct, and the working intensity is greatly reduced.
Description
Technical Field
The invention relates to a wireless telemetry nuclear phase instrument.
Technical Field
When the power transmission is recovered after the new interval operation and the overhaul of the bus equipment in the transformer substation, the phase and amplitude of the electric quantity transformed by the corresponding voltage transformer and the current transformer are required to be checked, so that technicians can find wiring errors or loop faults in time, and corresponding measures are taken for correction. Most intelligent substations put into operation today adopt the mode of conventional mutual inductor joint and unit, because these electric quantity all change into digital quantity in situ, if need to carry out secondary voltage phase place and polarity check work, need draw a cable from reference side busbar PT department, will reference the quantity and insert, carry out the pair by pair at the phase place that is checked again (like fig. 1). Because the scale of a general transformer substation is large, the temporary cable is pulled for a minimum of tens of meters, the temporary cable can reach three hundred meters and four hundred meters, and more people are needed to cooperate when related electric power is temporarily connected, the traditional method is complex, time-consuming and labor-consuming. For the nuclear phase on the current loop after operation by connecting a temporary line, an open circuit condition may occur, so the conventional cable access check polarity method is not suitable for checking the current loop.
Disclosure of Invention
The invention aims to solve the technical problem of providing a wireless telemetry phase detector, which adopts wireless synchronous sampling voltage and current to compare the values, objectively and directly conclude, greatly lightens the working intensity and improves the working efficiency.
The purpose of the invention is realized in the following way: the wireless telemetry phase checking instrument comprises a main measuring module and an auxiliary measuring module;
the main measurement module comprises a first controller, a first current signal collector and a data memory, wherein the first current signal collector is connected with the first controller through a first signal converter, the first controller is connected with the data memory, and the first controller sends or receives signals outwards through a first wireless communication module;
the auxiliary measuring module comprises a second controller and a second current signal collector, the second current signal collector is connected with the second controller through a second signal converter, the second controller sends or receives signals outwards through a second wireless communication module,
the first wireless communication module is connected with the second wireless communication module through a wireless network.
Further, the main measurement module further comprises a first timer, and the first timer is connected with the data memory through a first controller;
the auxiliary measuring module further comprises a second timer, and the second timer is connected with the second controller.
Further, the main measurement module further comprises a signal enhancer, the first wireless communication module is connected with the signal enhancer, and the first wireless communication module sends out signals through the signal enhancer.
The signal booster may also be connected to a wireless signal detector.
Further, the wireless telemetry phase checking instrument also comprises a relay module;
the relay module comprises a third wireless communication module and a third controller, the third controller is connected with the third wireless communication module, and the third controller is connected with the alarm.
Furthermore, the first controller and the second controller adopt MCU chips, peripheral circuits, embedded systems, application specific integrated circuits or hardware platforms of PDAs or portable intelligent terminals.
The embedded system can also comprise an embedded microprocessor and a peripheral circuit, wherein the embedded microprocessor can adopt ARM, DSP or FPGA.
The invention has the advantages that the voltage and the current at two ends are controlled by the wireless synchronous signal to synchronously sample, and the amplitude, the phase and the difference value of two sides of the comparison quantity are visually displayed, so that the comparison of the voltage quantity by a large amount of manpower traction temporary cables in the traditional method is solved, and the comparison and check problems of the current quantity at a far distance are solved.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a diagram showing a method for actually measuring voltage and current by using a conventional voltage transformer.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of a preferred structure of the present invention.
Fig. 4 is a schematic diagram of a main measurement module structure.
Fig. 5 is a schematic diagram of the secondary measurement module structure.
Fig. 6 is a schematic diagram of a preferred structure of the main measurement module.
Fig. 7 is a schematic diagram of a relay module structure.
Fig. 8 is a schematic view of another preferred structure of the invention.
As shown in the figure, the main measurement module 1, the auxiliary measurement module 2, the first controller 11, the first current signal collector 12, the data memory 13, the first signal converter 14, the first wireless communication module 15, the first timer 16, the signal enhancer 17, the wireless signal detector 18, the second controller 21, the second current signal collector 22, the second signal converter 23, the second wireless communication module 24, the second timer 25, the relay module 3, the three wireless communication modules 31, the third controller 32 and the alarm 33.
Detailed Description
Referring to fig. 1, a wireless telemetry nuclear phase instrument comprises a main measurement module 1 and an auxiliary measurement module 2;
as shown in fig. 4, the main measurement module 1 includes a first controller 11, a first current signal collector 12, and a data memory 13 (the data memory 13 is configured to collect data in real time), wherein the first current signal collector 12 is connected to the first controller 11 through a first signal converter 14, the first controller 11 is connected to the data memory 13, and the first controller 11 sends or receives signals outwards through a first wireless communication module 15;
as shown in fig. 5, the secondary measurement module 2 includes a second controller 21 and a second current signal collector 22, the second current signal collector 22 is connected with the second controller 21 through a second signal converter 23, the second controller 21 sends or receives signals outwards through a second wireless communication module 24,
the first wireless communication module 14 is connected to the second wireless communication module 23 through a wireless network.
When the device works, the first current signal collector 12 (not only can collect current values but also can collect voltage values) of the main measurement module 1 is connected to a reference side power supply, the second current collector 22 of the auxiliary measurement module 2 can collect current values and can collect voltage values outside the power supply on the side to be verified, the first current collector 12 converts the collected values into A/D data signals through the first signal converter 14 and transmits the A/D data signals to the data memory 13 and the first wireless communication module 15 through the first controller 11, the first wireless communication module 15 receives or transmits data through a wireless network, and the first controller 11 can also transmit signals outwards through the first wireless communication module 15; the second current collector 22 converts the collected numerical value into an A/D data signal through a second signal converter 23, and transmits the A/D data signal to the second wireless communication module 24 through the second controller 21, and the second wireless communication module 24 receives or transmits the numerical value through a wireless network;
during testing, the second wireless communication module 24 transmits the collected signals to the first wireless communication module 15, the first wireless communication module 15 receives data, then the data is input into the first controller 11, the first controller 11 compares the data collected by the second current signal collector 22 with the data collected by the first current signal collector 12 (the polarity, phase and amplitude of the reference quantity are compared in a check mode, the amplitude, phase and angle difference between the quantities are displayed in real time through calculation processing), because the position difference of the two collection points is not more than hundreds of meters, and the two data can be almost identified as being collected simultaneously (synchronously) by adopting a wireless communication transmission technology,
the main measurement module 1 and the auxiliary measurement module 2 can be started by a worker or by an internally arranged program at fixed time, after the main measurement module 1 and the auxiliary measurement module 2 are started, the communication connection is established by mutually searching opposite-end handshake signals through the first wireless communication module 15 and the second wireless communication module 24, in order to ensure synchronous sampling at both sides, after the two-machine communication is established, the main measurement module 1 sends a frame synchronous sampling preparation command, at the moment, the main measurement module 1 and the auxiliary measurement module 2 synchronously test waiting state, at the moment, the main measurement module 1 and the auxiliary measurement module 2 can not perform other operations, and then the main measurement module 1 sends a synchronous sampling command,
the synchronous sampling command is sent to the auxiliary measuring module 2 by the main measuring module 1 and is divided into the following processes: the first controller 11 sends an instruction to the first wireless communication module 15, the first wireless communication module 15 transmits a signal, and the second wireless communication module 24 receives the wireless signal and converts the signal to transmit to the second controller 21. In this process, since the rate of transmission of the wireless signal in the air is close to the speed of light, the transmission time variation of the wireless signal due to the distance variation is negligible, and it can be considered that the transmission delay variation in the whole process is generated only in the main measurement module 1 and the auxiliary measurement module 2.
If the second controller 21 is connected to the second wireless communication module 24 through a serial port, the delay time from the receiving of the sampling command to the transmitting of the sampling command to the second controller 21 through the serial port will fluctuate (about several tens of microseconds), which will seriously affect the phase accuracy of synchronous sampling. This patent adopts, directly draws the receipt interruption of second wireless communication module 24 to the GPIO of second controller 21, can produce the interruption immediately after second wireless communication module 24 received the command, and second controller 21 samples through detecting the interruption, has avoided because the synchronous sampling precision that serial ports received the fluctuation of delay and produced reduces.
In the program of the main measurement module 1, the synchronous sampling of the main measurement module 1 and the auxiliary measurement module 2 is realized by a method of waiting for fixed delay (the calculation accuracy reaches the us order) and then resampling after sending a synchronous sampling instruction. The sampling phase fluctuation range which can be achieved by the method is within 0.5 degree. Then the main measurement module 1 waits for the reply data of the auxiliary measurement module 2, and sends the result to the liquid crystal module for display through the processing of the first controller 11, and also sends the result to the data center through the first wireless communication module 15 for processing.
As shown in fig. 5, the main measurement module 1 further includes a first timer 16, where the first timer 16 is connected to the data memory 13 through the first controller 11; in operation, the first current signal collector 12 collects signals and converts the signals into data through the first signal converter 14, the data are input into the data memory 13 through the first controller 11, meanwhile, the stored time is also input into the data memory 13 through the first timer 16, the voltage, the current equivalent and the input time are stored in the data memory 13 together,
the auxiliary measuring module 2 further comprises a second timer 25, the second timer 25 is connected with the second controller 21, the second controller 21 is used for associating time data of the second timer 25 with the second current signal collector 22 while receiving the data, then the second timer and the second current signal collector are transmitted to the main measuring module 1 together, when the first controller 11 is used for comparing the first current signal collector 12 with the second current signal collector 22, the time values of the first timer and the second timer are compared, and the data with the same time value are compared, so that the situation that the data are lost locally due to electromagnetic influence of a transformer substation in the wireless transmission process can be avoided.
As shown in fig. 6, the main measurement module 1 further includes a signal booster 17, the first wireless communication module 15 is connected to the signal booster 17, and the first wireless communication module 15 sends out a signal through the signal booster 17.
Preferably, the signal booster 17 is connected to a wireless signal detector 18.
During the test, the wireless signal detector 18 measures the intensity of the wireless signal around the first wireless communication module 15, if the signal is too weak, that is, the electromagnetic induction of the transformation electric field is strong, the signal booster 17 is needed to increase the intensity of the signal of the first wireless communication module 15 to break the interference of the electromagnetic induction on the wireless signal.
As shown in fig. 3 and 7, the wireless telemetry phase checking instrument further comprises a relay module 3;
the relay module 3 comprises a third wireless communication module 31 and a third controller 32, the third controller 32 is connected with the third wireless communication module 31, the third controller 31 is connected with an alarm 33, during testing, the third wireless communication module 31 can respectively receive data of the first wireless communication module 11 and the second wireless communication module 21 and transmit the data to the third controller 32, the third controller 32 starts the alarm 33 through comparison analysis, if deviation is found, the method is used for testing the condition that the distance exceeds one hundred meters, the testing distance exceeds one hundred meters, the blocking of a building or the interference of electromagnetic waves can occur, the direct connection of the main test module 1 and the auxiliary test module 2 can be difficult, and the distance between the relay module 3 and the main test module 1 and the auxiliary test module 2 can be reduced by arranging the relay module 3 between the main test module 1 and the auxiliary test module 2, so that the interference of the patent application due to overlong distance can be overcome.
Preferably, the first controller 11 and the second controller 21 use MCU chips and peripheral circuits, embedded systems, application specific integrated circuits, or hardware platforms of PDAs or portable intelligent terminals.
Preferably, the embedded system comprises an embedded microprocessor and a peripheral circuit, wherein the embedded microprocessor can adopt ARM, DSP or FPGA.
Claims (1)
1. A wireless telemetry phase detector, characterized by: the wireless telemetry phase checking instrument comprises a main measuring module and an auxiliary measuring module;
the main measurement module comprises a first controller and a first current signal collector, the first current signal collector is connected with the first controller through a first signal converter, the first controller is connected with the data memory, and the first controller sends or receives signals outwards through a first wireless communication module;
the auxiliary measuring module comprises a second controller and a second current signal collector, the second current signal collector is connected with the second controller through a second signal converter, the second controller sends or receives signals outwards through a second wireless communication module,
the first wireless communication module is connected with the second wireless communication module through a wireless network;
the main measurement module further comprises a first timer, and the first timer is connected with the data memory through a first controller;
the auxiliary measuring module further comprises a second timer, and the second timer is connected with the second controller;
the main measurement module further comprises a signal enhancer, the first wireless communication module is connected with the signal enhancer, and the first wireless communication module sends out signals through the signal enhancer;
the signal enhancer is connected with the wireless signal detector;
the wireless telemetry phase checking instrument further comprises a relay module;
the relay module comprises a third wireless communication module and a third controller, the third controller is connected with the third wireless communication module, and the third controller is connected with the alarm;
the first controller and the second controller adopt MCU chips, peripheral circuits, embedded systems, application specific integrated circuits or hardware platforms of PDAs or portable intelligent terminals;
the embedded system comprises an embedded microprocessor and a peripheral circuit, wherein the embedded microprocessor can adopt ARM, DSP or FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569053.4A CN106154062B (en) | 2016-07-19 | 2016-07-19 | Wireless telemetry nuclear phase instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569053.4A CN106154062B (en) | 2016-07-19 | 2016-07-19 | Wireless telemetry nuclear phase instrument |
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| Publication Number | Publication Date |
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| CN106154062A CN106154062A (en) | 2016-11-23 |
| CN106154062B true CN106154062B (en) | 2024-01-16 |
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| CN201610569053.4A Active CN106154062B (en) | 2016-07-19 | 2016-07-19 | Wireless telemetry nuclear phase instrument |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841780A (en) * | 2016-12-30 | 2017-06-13 | 易瓦特科技股份公司 | Long-range nuclear-phase method and device |
| CN108303142A (en) * | 2018-03-23 | 2018-07-20 | 广州市科钛科技有限公司 | Determine phase nuclear phase, electric current, the harvester of voltage and system for telecommunication network base station |
| CN109444508A (en) * | 2018-11-02 | 2019-03-08 | 国家电网公司 | A kind of acquisition method of voltage phasor, apparatus and system |
| CN109596904A (en) * | 2019-01-15 | 2019-04-09 | 国家电网有限公司 | A kind of synchro measure and auto-check system and method based on wireless telecommunications |
| CN109828144A (en) * | 2019-03-08 | 2019-05-31 | 李玉诚 | It is a kind of to acquire the measuring system and measurement method that compare for the strange land data same period |
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| KR100412772B1 (en) * | 2003-08-27 | 2003-12-31 | Hankook Electric Technical Co | Remote monitor of electricity incoming and distributing equipment having power line communication modem |
| CN1737583A (en) * | 2005-07-27 | 2006-02-22 | 江苏省电力公司常州供电公司 | Indoor looped network cabinet intelligent nuclear phase method |
| CN101339212A (en) * | 2008-08-14 | 2009-01-07 | 西安爱邦电气有限公司 | Non-contact type high voltage phasing tester |
| CN101937028A (en) * | 2009-06-30 | 2011-01-05 | 武汉思威科技投资有限公司 | Wireless nuclear phase instrument |
| CN104092738A (en) * | 2014-06-25 | 2014-10-08 | 国网福建南安市供电有限公司 | Long-distance nuclear phase system and method based on wireless Internet |
-
2016
- 2016-07-19 CN CN201610569053.4A patent/CN106154062B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100412772B1 (en) * | 2003-08-27 | 2003-12-31 | Hankook Electric Technical Co | Remote monitor of electricity incoming and distributing equipment having power line communication modem |
| CN1737583A (en) * | 2005-07-27 | 2006-02-22 | 江苏省电力公司常州供电公司 | Indoor looped network cabinet intelligent nuclear phase method |
| CN101339212A (en) * | 2008-08-14 | 2009-01-07 | 西安爱邦电气有限公司 | Non-contact type high voltage phasing tester |
| CN101937028A (en) * | 2009-06-30 | 2011-01-05 | 武汉思威科技投资有限公司 | Wireless nuclear phase instrument |
| CN104092738A (en) * | 2014-06-25 | 2014-10-08 | 国网福建南安市供电有限公司 | Long-distance nuclear phase system and method based on wireless Internet |
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