CN108333427A - A kind of operating frequency phase wireless synchronization device - Google Patents
A kind of operating frequency phase wireless synchronization device Download PDFInfo
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- CN108333427A CN108333427A CN201810139666.3A CN201810139666A CN108333427A CN 108333427 A CN108333427 A CN 108333427A CN 201810139666 A CN201810139666 A CN 201810139666A CN 108333427 A CN108333427 A CN 108333427A
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- operating frequency
- frequency phase
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- wireless synchronization
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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Abstract
The present invention proposes a kind of operating frequency phase wireless synchronization device, belongs to data acquisition field.The device includes operating frequency phase wireless synchronization master device and from device.Operating frequency phase wireless synchronization master device acquires power frequency component, operating frequency phase pulse signal is exported to wireless radio frequency modules, the generation time of wireless radio frequency modules transmission pulse signal and period to from device, according to the output time of generation time and computation of Period lock-out pulse and can also be sent to from device.It is synchronous with the holding of the time of master device from device by wireless radio frequency modules and master device clock synchronization;Then, according to the generation time of the operating frequency phase pulse signal received and period, lock-out pulse output time is calculated, and according to output time output sync pulse signal, can also directly export lock-out pulse according to the output time received.Operating frequency phase wireless synchronization device contributes to testing staff wirelessly to obtain high-precision power frequency locking phase, and deployment is convenient, safe operation is efficient.
Description
Technical field
The present invention relates to data acquisition field, in particular to a kind of operating frequency phase wireless synchronization devices.
Background technology
In the research field of power equipment partial discharge monitoring and fault diagnosis technology, power equipment shelf depreciation letter
Number phase information be analyze partial discharges fault important information.Operating frequency phase is often used as fixed phase, accurate work
Frequency phase more contributes to the accurate judgement of fault type and abort situation, helps to improve diagnosis efficiency, reduces malfunction elimination
And recovery time.
Compared to traditional operating frequency phase wired synchronization device, the deployment of wireless synchronization device is more convenient, and operation is more
It is safe and efficient.Currently, wireless synchronization device mainly uses the wireless modes such as less radio-frequency, bluetooth, infrared to obtain operating frequency phase letter
Number.Operating frequency phase signal, the patent No. are obtained by wireless radio frequency mode as described in the patent No. 201521039553.4
201521089736 .7 descriptions obtain operating frequency phase signal by bluetooth or infrared wireless mode, all realize and wirelessly obtain
Scheme is taken, but there is a problem of that the operating frequency phase pulse signal synchronization accuracy obtained is not high, is unable to reach high-precise synchronization output
The effect of operating frequency phase signal.As extremely important power frequency fixed phase, synchronization accuracy will directly affect measurement result, very
To leading to measured deviation.
The high precision wireless synchronous acquisition mode of operating frequency phase, not only can by can not mode obtain phase information, also
The synchronous acquisition precision that can ensure wired acquisition mode, substantially increases the safety of measurement, ensure that the accuracy of measurement,
Improve measurement efficiency.
Invention content
The purpose of the invention is to realize that the wireless remote of operating frequency phase synchronizes, while reaching to dispose convenient, operation peace
Entirely, the high effect of synchronization accuracy.
A kind of operating frequency phase wireless synchronization device, including operating frequency phase wireless synchronization master device and operating frequency phase without
Line locking is from device.
The operating frequency phase wireless synchronization master device includes:
Power frequency component acquisition module, for power frequency component to be converted to operating frequency phase pulse signal;
Wireless radio frequency modules, for being set time from device with operating frequency phase wireless synchronization, and by operating frequency phase pulse signal
Generation time and period are sent to from device, can also be gone out according to the generation time and computation of Period of operating frequency phase pulse signal from
Device exports the time of lock-out pulse, and is sent to from device.
The operating frequency phase wireless synchronization includes from device:
Wireless radio frequency modules for being set time with operating frequency phase wireless synchronization master device, and receive operating frequency phase pulse signal
Generation time and the period, can also receive from device export lock-out pulse time;
Lock-out pulse output module, for according to the generation time of operating frequency phase pulse signal and period received, calculating and synchronizing
The output time of pulse, and lock-out pulse is exported according to output time, it can also be according to the slave device output lock-out pulse received
Time directly export lock-out pulse.
The present invention realizes the principle of operating frequency phase wireless synchronization, including:
Operating frequency phase wireless synchronization master device handles the power frequency component of input by acquisition module, then, exports operating frequency phase
To wireless radio frequency modules, acquisition module will be acquired signal pulse signal, shaping and be filtered.
Further, the wireless radio frequency modules of operating frequency phase wireless synchronization master device, detection operating frequency phase pulse signal
Generation time and period, it is sent to operating frequency phase wireless synchronization from device, it can also be according to the generation of operating frequency phase pulse signal
Time and computation of Period go out to export the time of lock-out pulse from device, are sent to from device.
Further, operating frequency phase wireless synchronization passes through the less radio-frequency mould of wireless radio frequency modules and master device from device
Block is set time, synchronous with the holding of the time of master device, and wireless clock synchronization mechanism can be selected in existing a variety of published methods, packet
Include but be not limited to the Network Time Protocol of public technology, 1588 agreements, RBS synchronization mechanisms, TPSN synchronous protocols, mini-sync algorithms,
Tiny-sync algorithms, DMTS synchronization mechanisms, LTS mechanism, FTSP synchronous protocols.
Further, operating frequency phase wireless synchronization receives operating frequency phase pulse signal from the wireless radio frequency modules of device
Generation time and period can also receive the time for exporting lock-out pulse from device, then export data notification lock-out pulse
Module.
Further, operating frequency phase wireless synchronization is from the lock-out pulse output module of device, according to the operating frequency phase received
The generation time of pulse signal and period calculate the output time of lock-out pulse, and export lock-out pulse according to output time, also
The time that lock-out pulse can be exported according to the slave device received directly exports lock-out pulse.
Description of the drawings
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structure diagram of operating frequency phase wireless synchronization master device.
Fig. 2 is structure diagram of the operating frequency phase wireless synchronization from device.
Specific implementation mode
A kind of operating frequency phase wireless synchronization device is furtherd elucidate with the embodiment of the present invention.
A kind of operating frequency phase wireless synchronization device of the present embodiment, including operating frequency phase wireless synchronization master device and power frequency phase
Position wireless synchronization is from device.
The operating frequency phase wireless synchronization master device, structural schematic diagram is as shown in Figure 1, include:
Power frequency component acquisition module(101), for power frequency component to be converted to operating frequency phase pulse signal;
Wireless radio frequency modules(102), for being set time from device with operating frequency phase wireless synchronization, and operating frequency phase pulse is believed
Number generation time and period be sent to from device, can also be according to the generation time and computation of Period of operating frequency phase pulse signal
Go out to export the time of lock-out pulse from device, and is sent to from device.
The operating frequency phase wireless synchronization is from device, and structural schematic diagram is as shown in Fig. 2, include:
Wireless radio frequency modules(201), for being set time with operating frequency phase wireless synchronization master device, and receive operating frequency phase pulse
The generation time of signal and period can also receive the time that lock-out pulse is exported from device;
Lock-out pulse output module(202), for according to the generation time of operating frequency phase pulse signal and period received, calculating
The output time of lock-out pulse, and lock-out pulse is exported according to output time, it can also be synchronized according to the slave device output received
The time of pulse directly exports lock-out pulse.
One embodiment of the present of invention is as follows:
The power frequency component of 220V/50Hz accesses operating frequency phase wireless synchronization master device, by power frequency component acquisition module(101)'s
Shaping and after being filtered, exports operating frequency phase pulse signal to wireless radio frequency modules(102).
Wireless radio frequency modules(102)In generation time and the period for detecting operating frequency phase pulse signal, it is sent to operating frequency phase
Wireless radio frequency modules of the wireless synchronization from device(201).
Wireless radio frequency modules of the operating frequency phase wireless synchronization from device(201)With the wireless radio frequency modules of master device(102)
It sets time, is consistent with the time of master device.TPSN is used between wireless module(Timing-sync protocol for
sensor networks)Synchronous protocol is set time, wireless radio frequency modules(201)The time for sending synchronization request is T1, wirelessly
Radio-frequency module(102)The time for receiving synchronization request is T2, wireless radio frequency modules(102)Synchronous response, time are replied again
For T3, wireless radio frequency modules(201)The time for receiving synchronous response is T4, to wireless radio frequency modules(201)Calculate two
Time difference between a wireless module is ((T2-T1)-(T4-T3))/2, and adjustment time and wireless radio frequency modules(102)It keeps
Unanimously.
Wireless radio frequency modules(201)Generation time and the period of the operating frequency phase pulse signal for carrying out autonomous devices are received, and
Notify lock-out pulse output module(202).
Lock-out pulse output module of the operating frequency phase wireless synchronization from device(202)According to the operating frequency phase pulse received
The generation time of signal and period calculate the output time of operating frequency phase synchronization pulse, and are exported according to output time
The synchronization pulse of 50Hz.
An alternative embodiment of the invention is as follows:
The power frequency component of 220V/50Hz accesses operating frequency phase wireless synchronization master device, by power frequency component acquisition module(101)'s
Shaping and after being filtered, exports operating frequency phase pulse signal to wireless radio frequency modules(102).
Wireless radio frequency modules(102)Then the generation time and period for detecting operating frequency phase pulse signal calculate power frequency
Output time is sent to less radio-frequency mould of the operating frequency phase wireless synchronization from device by the output time of Phase synchronization pulse signal
Block(201).
Wireless radio frequency modules of the operating frequency phase wireless synchronization from device(201)With the wireless radio frequency modules of master device(102)
It sets time, is consistent with the time of master device.TPSN is used between wireless module(Timing-sync protocol for
sensor networks)Synchronous protocol is set time, wireless radio frequency modules(201)The time for sending synchronization request is T1, wirelessly
Radio-frequency module(102)The time for receiving synchronization request is T2, wireless radio frequency modules(102)Synchronous response, time are replied again
For T3, wireless radio frequency modules(201)The time for receiving synchronous response is T4, to wireless radio frequency modules(201)Calculate two
Time difference between a wireless module is ((T2-T1)-(T4-T3))/2, and adjustment time and wireless radio frequency modules(102)It keeps
Unanimously.
Wireless radio frequency modules(201)The output time for the operating frequency phase synchronization pulse for carrying out autonomous devices is received, and is led to
Know lock-out pulse output module(202).
Lock-out pulse output module of the operating frequency phase wireless synchronization from device(202)It is synchronized according to the operating frequency phase received
The output time of pulse signal, direct output sync pulse signal finally produce the operating frequency phase lock-out pulse of 50Hz.
Claims (2)
1. a kind of operating frequency phase wireless synchronization device is a kind of operating frequency phase harvester, which is characterized in that the device includes work
Frequency phase wireless synchronizes master device and operating frequency phase wireless synchronization from device,
The operating frequency phase wireless synchronization master device includes:
Power frequency component acquisition module, for power frequency component to be converted to operating frequency phase pulse signal;
Wireless radio frequency modules, for being set time from device with operating frequency phase wireless synchronization, and by operating frequency phase pulse signal
Generation time and period are sent to from device, can also be gone out according to the generation time and computation of Period of operating frequency phase pulse signal from
Device exports the time of lock-out pulse, and is sent to from device;
The operating frequency phase wireless synchronization includes from device:
Wireless radio frequency modules for being set time with operating frequency phase wireless synchronization master device, and receive operating frequency phase pulse signal
Generation time and the period, can also receive from device export lock-out pulse time;
Lock-out pulse output module, for according to the generation time of operating frequency phase pulse signal and period received, calculating and synchronizing
The output time of pulse, and lock-out pulse is exported according to output time, it can also be according to the slave device output lock-out pulse received
Time directly export lock-out pulse.
2. a kind of operating frequency phase wireless synchronization device as described in claim 1, which is characterized in that
Operating frequency phase wireless synchronization from device by wireless radio frequency modules, the less radio-frequency with operating frequency phase wireless synchronization master device
Module is set time;
The time of operating frequency phase wireless synchronization from device is synchronous with the holding of the time of operating frequency phase wireless synchronization master device.
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CN104808106A (en) * | 2015-04-02 | 2015-07-29 | 广州供电局有限公司 | Electrical equipment local discharge positioning method and system |
CN104880624A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Wireless test system used for transformer substation system debugging and wireless measurement method used for transformer substation system debugging |
CN205301505U (en) * | 2015-12-14 | 2016-06-08 | 广东电网有限责任公司中山供电局 | Partial discharge detector is wireless trigger of power frequency locking phase for system |
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CN205880052U (en) * | 2016-07-20 | 2017-01-11 | 武汉市豪迈电力自动化技术有限责任公司 | Distributing type synchronous sampling measurement system |
CN206020542U (en) * | 2016-07-26 | 2017-03-15 | 云南电网有限责任公司普洱供电局 | The electrical equipment field strength measurement device that a kind of power frequency is synchronously triggered |
CN207851150U (en) * | 2018-02-11 | 2018-09-11 | 福州开发区慧聚通信技术有限公司 | A kind of operating frequency phase wireless synchronization device |
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN204010279U (en) * | 2014-06-18 | 2014-12-10 | 广东电网公司东莞供电局 | For detection of the wireless synchronization device of the phase information of high-tension apparatus shelf depreciation |
CN104808106A (en) * | 2015-04-02 | 2015-07-29 | 广州供电局有限公司 | Electrical equipment local discharge positioning method and system |
CN104880624A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Wireless test system used for transformer substation system debugging and wireless measurement method used for transformer substation system debugging |
CN205301505U (en) * | 2015-12-14 | 2016-06-08 | 广东电网有限责任公司中山供电局 | Partial discharge detector is wireless trigger of power frequency locking phase for system |
CN205404682U (en) * | 2015-12-23 | 2016-07-27 | 北京榕科电气有限公司 | Wireless phase synchronization device |
CN205880052U (en) * | 2016-07-20 | 2017-01-11 | 武汉市豪迈电力自动化技术有限责任公司 | Distributing type synchronous sampling measurement system |
CN206020542U (en) * | 2016-07-26 | 2017-03-15 | 云南电网有限责任公司普洱供电局 | The electrical equipment field strength measurement device that a kind of power frequency is synchronously triggered |
CN207851150U (en) * | 2018-02-11 | 2018-09-11 | 福州开发区慧聚通信技术有限公司 | A kind of operating frequency phase wireless synchronization device |
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