CN203149067U - On-line monitoring device for medium-voltage overhead line of distribution network - Google Patents
On-line monitoring device for medium-voltage overhead line of distribution network Download PDFInfo
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- CN203149067U CN203149067U CN 201320011514 CN201320011514U CN203149067U CN 203149067 U CN203149067 U CN 203149067U CN 201320011514 CN201320011514 CN 201320011514 CN 201320011514 U CN201320011514 U CN 201320011514U CN 203149067 U CN203149067 U CN 203149067U
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Abstract
An on-line monitoring device for a medium-voltage overhead line of a distribution network comprises a terminal and at least one probe. The composition and the connection relationship of the each probe are as follows: a current transformer, a signal processing circuit and a minimum CPU processing module are unidirectionally and electrically connected in sequence; a power module, a clock module and a communication module are bidirectionally and electrically connected with the CPU processing module respectively; and the signal processing circuit is unidirectionally and electrically connected with a pre-posed storage. The composition and the connection relationship of the terminal are as follows: an MESH communication module, a GSM communication module, a power module and a clock module are bidirectionally and electrically connected with a CPU module respectively; and a solar panel is connected with the power module. The average standby power consumption of the probes in the device is smaller than [email protected], the average operating power consumption of the probes is less than [email protected], the probe can get electricity to work at 5A current, and a communication device can work for 15 consecutive days in overcast conditions.
Description
Technical field
The utility model relates to presses the pole line on-Line Monitor Device in a kind of distribution.
Background technology
Along with China enterprise and electricity consumption of resident increase sharply, the user improves day by day for the requirement of power supply reliability and power supply quality.But generating, transmission of electricity link are paid attention in the power construction of China, ignore the distribution link for a long time.This has just caused China's power distribution network its construction level lower, and distribution is in not visible running status always, and year power off time is long, and the reliability of power supply and power supply quality can not satisfy user's requirement.The fact shows, only depends on present personal monitoring, investigation distribution network failure mode can not adapt to the power distribution network ruuning situation of current complexity, and in order to cooperate the development of intelligent power distribution net, the distribution on-line monitoring technique certainly will become the main direction of current development.
Existing distribution on-Line Monitor Device power consumption is big, need power supply.
The utility model content
Technical problem to be solved in the utility model, just provide and a kind ofly have super low-power consumption and in the distribution of power taking power supply, press the pole line on-Line Monitor Device, can gather the current signal of distribution pole line in real time, by short distance MESH and the GPRS mixed networking communication technology, with collection in worksite to data transmission return the monitoring backstage, improve the unknowable problem of distribution running status; In addition, this device is synchronous by gathering three-phase current and clock, can obtain the zero-sequence current parameter by the microcomputer computing, relatively judges singlephase earth fault by the analysis to zero-sequence current, has solved the problem that the overhead transmission line single-phase fault is difficult to identify judgement effectively.
Solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Press the pole line on-Line Monitor Device in a kind of distribution, comprise terminal and three probes, each probe is electrically connected with terminal respectively, it is characterized in that: described terminal comprises terminal MESH communication module 10, terminal gsm communication module 11, terminal power module 16, terminal clock module 17, terminal solar panels 12 and the terminal CPU module 15 that is constituted by terminal microprocessor 13 and terminal memory 14, terminal MESH communication module, terminal gsm communication module, terminal power module and terminal clock module respectively with two-way electrical connection of terminal CPU module, the terminal solar panels are connected with the terminal power module; Described probe comprises probe current transformer 1, probe signal treatment circuit 2, probe power module 6, probe clock module 7, the preposition storer 8 of popping one's head in, probe MESH communication module 9 and the minimum CPU processing module 3 of probe that is constituted by probe microprocessor 4 and probe memory 5, the probe current transformer, the probe signal treatment circuit is connected with the minimum CPU processing module of probe unidirectional electrical successively, the probe power module, the probe clock module, preposition storer and the probe communication module of popping one's head in respectively with probe minimum CPU processing module two-way the electrical connection, the probe signal treatment circuit also is connected with the preposition storer unidirectional electrical of probe.
Current transformer is used for gathering the current signal of distribution overhead transmission line, the big current conversion of circuit is become the little electric current of signal processing circuit needs; The little electric current that signal processing circuit is used for secondary loop of mutual inductor was sent carries out the A/D conversion, and the digital signal after the conversion is sent to the minimum operation of CPU resume module module, simultaneously the digital signal after the conversion is stored in buffer memory in the preposition storage; The probe microprocessor of the minimum operation of CPU module and processing and the compression that probe memory is mainly used in Wave data; The second source module is used for providing operating voltage to probe; The second clock module is used for providing accurate clock signal to the minimum operation of CPU module; Communication module adopts MESH short haul connection mode, is used for instruction and transmission Wave data that receiving terminal sends.
The MESH communication module of terminal is used for carrying out wireless short-range communication with probe; The gsm communication module is used for failure message and recorder data are sent to the backstage monitoring system; The current waveform that the CPU module mainly sends a plurality of probes is concentrated and is handled synchronously and the fault judgement; First power module is used for to the energy management of accumulator and solar panels with to the power supply management of terminal; First clock module is used for providing accurate clock signal to the CPU module; Solar panels are used for converting sun power to electric energy, and accumulator is charged or equipment is powered.
The utility model principle of work: probe transmitted CPU minimum operational system with the current signal on the overhead transmission line through signal processing circuit by current transformer, CPU is in dormant state idle the time, when circuit generation current break or receive after the backstage initiatively calls survey together, start CPU work, the data that CPU collects mutual inductor are recorded ripple and processing, and the data after will handling are sent to terminal by short distance MESH communication mode.Terminal is asked two other probe feedback current waveform after the current waveform information that receives arbitrary waveform transmission, and synthetic zero-sequence current.Analysis and comparison by to three-phase current and zero-sequence current judge whether to break down.When judging line failure, give main website on the waveform when then by the GPRS communication module fault type and fault being taken place.For the order of initiatively calling survey together, after having judged, if non-fault also will be given main website on the three-phase current waveform that collect.
Terminal except carry out fault distinguishing and with master station communication, also have the clock synchronizing function.Terminal with the timed sending clock to the time order to probe, probe is forced clock and terminal synchronizes to time order back receiving, the clock of realizing A, B, C three-phase is identical with terminal, and adopt current zero-crossing point to begin to gather, when the clock that guarantees three-phase current was synchronous, it was synthetic to be convenient to zero-sequence current.
Because probe hangs on the pole line, if adopt powered battery separately, work is difficult to realize when long, and changes the battery trouble.The utility model adopts CT power taking pattern, and rechargeable battery is power supply in support, and in order to make that device also can operate as normal under circuit underloading situation, when not recording ripple, device CPU module, communication module all are in dormant state; Signal acquisition module is in the semidormancy state, and the data that collect when the CPU dormancy are unified the existence in the preposition buffer memory all, is used for the current waveform that last short time takes place storage failure; Clock synchronization module only communication module receive to the time just carry out work during order, otherwise be in clock from walking state.
Beneficial effect: the utility model can be gathered the current signal of distribution pole line in real time, by short distance MESH and the GPRS mixed networking communication technology, with collection in worksite to data transmission return the monitoring backstage, improve the unknowable problem of distribution running status; In addition, this device is synchronous by gathering three-phase current and clock, can obtain the zero-sequence current parameter by the microcomputer computing, relatively judges singlephase earth fault by the analysis to zero-sequence current, has solved the problem that the overhead transmission line single-phase fault is difficult to identify judgement effectively.
This device have super low-power consumption from the power taking power supply, design by super low-power consumption, popping one's head in average stand-by power consumption can be less than [email protected], average operation power consumption is less than the [email protected] electricity work of also asking for when circuit has only the 5A electric current, the realization three phase clock is synchronous, can record ripple monitoring distribution line running status in real time, the various faults of identification circuit.Communicator adopts sun power and accumulator comprehensively to power, and communicator adopts low power dissipation design equally, under cloudy situation, but continuous working 15 days.
Description of drawings
The on-the-spot scheme of installation of Fig. 1 on-Line Monitor Device;
Fig. 2 acquisition probe is formed and the annexation synoptic diagram;
Fig. 3 focuses on terminal and forms and the annexation synoptic diagram.
Among the figure: the 1-current transformer of popping one's head in, 2-probe signal treatment circuit, the 3-minimum CPU processing module of popping one's head in, the 4-microprocessor of popping one's head in, 5-probe memory, the 6-power module of popping one's head in, the 7-clock module of popping one's head in, the 8-preposition storer of popping one's head in, 9-probe MESH communication module, 10-terminal MESH communication module, 11-terminal gsm communication module, 12-terminal solar panels, 13-terminal microprocessor, 14-terminal memory, 15-terminal CPU module, 16-terminal power module, 17-terminal clock module.
Embodiment
Specific embodiment of the utility model comprises terminal and three probes, and each probe is electrically connected with terminal respectively, on-the-spot scheme of installation such as Fig. 1, below in conjunction with Fig. 2 and the acquisition probe of Fig. 3 with focus on terminal and be described in detail.
Probe comprises probe current transformer 1, probe signal treatment circuit 2, probe power module 6, probe clock module 7, the preposition storer 8 of popping one's head in, probe MESH communication module 9 and the minimum CPU processing module 3 of probe that is constituted by probe microprocessor 4 and probe memory 5, the probe current transformer, the probe signal treatment circuit is connected with the minimum CPU processing module of probe unidirectional electrical successively, the probe power module, the probe clock module, preposition storer and the probe communication module of popping one's head in respectively with probe minimum CPU processing module two-way the electrical connection, the probe signal treatment circuit also is connected with the preposition storer unidirectional electrical of probe.
Terminal comprises terminal MESH communication module 10, terminal gsm communication module 11, terminal power module 16, terminal clock module 17, terminal solar panels 12 and the terminal CPU module 15 that is made of terminal microprocessor 13 and terminal memory 14, terminal MESH communication module, terminal gsm communication module, terminal power module and terminal clock module respectively with two-way electrical connection of terminal CPU module, the terminal solar panels are connected with the terminal power module.
Claims (2)
1. press the pole line on-Line Monitor Device in a distribution, comprise terminal and three probes, each probe is electrically connected with terminal respectively, it is characterized in that: described probe comprises probe current transformer (1), probe signal treatment circuit (2), probe power module (6), probe clock module (7), the preposition storer (8) of popping one's head in, probe MESH communication module (9) and the minimum CPU processing module (3) of probe that is constituted by probe microprocessor (4) and probe memory (5), the probe current transformer, the probe signal treatment circuit is connected with the minimum CPU processing module of probe unidirectional electrical successively, the probe power module, the probe clock module, preposition storer and the probe communication module of popping one's head in respectively with probe minimum CPU processing module two-way the electrical connection, the probe signal treatment circuit also is connected with the preposition storer unidirectional electrical of probe.
2. press the pole line on-Line Monitor Device in the distribution according to claim 1, it is characterized in that: described terminal comprises terminal MESH communication module (10), terminal gsm communication module (11), terminal power module (16), terminal clock module (17), terminal solar panels (12) and the terminal CPU module (15) that is constituted by terminal microprocessor (13) and terminal memory (14), terminal MESH communication module, terminal gsm communication module, terminal power module and terminal clock module respectively with two-way electrical connection of terminal CPU module, the terminal solar panels are connected with the terminal power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011514 CN203149067U (en) | 2013-01-09 | 2013-01-09 | On-line monitoring device for medium-voltage overhead line of distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011514 CN203149067U (en) | 2013-01-09 | 2013-01-09 | On-line monitoring device for medium-voltage overhead line of distribution network |
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| Publication Number | Publication Date |
|---|---|
| CN203149067U true CN203149067U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011514 Expired - Lifetime CN203149067U (en) | 2013-01-09 | 2013-01-09 | On-line monitoring device for medium-voltage overhead line of distribution network |
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| CN (1) | CN203149067U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501657A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring system of electric distribution network overhead wire failure |
| CN106501656A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of on-line acquisition system of distribution line failure waveform |
| CN106501671A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring method of electric distribution network overhead wire failure |
| CN106556754A (en) * | 2016-10-12 | 2017-04-05 | 国网上海市电力公司 | A kind of online acquisition method of distribution line failure waveform |
| CN106556766A (en) * | 2016-10-11 | 2017-04-05 | 国网上海市电力公司 | A kind of distribution network failure monitoring system based on distribution line multidate information |
| CN106569089A (en) * | 2016-10-11 | 2017-04-19 | 国网上海市电力公司 | Power distribution line dynamic Information-based power distribution network fault monitoring method |
| CN107783011A (en) * | 2017-09-19 | 2018-03-09 | 北京三清互联科技有限公司 | A kind of distribution line failure indicator based on wireless self-networking |
-
2013
- 2013-01-09 CN CN 201320011514 patent/CN203149067U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556766A (en) * | 2016-10-11 | 2017-04-05 | 国网上海市电力公司 | A kind of distribution network failure monitoring system based on distribution line multidate information |
| CN106569089A (en) * | 2016-10-11 | 2017-04-19 | 国网上海市电力公司 | Power distribution line dynamic Information-based power distribution network fault monitoring method |
| CN106501657A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring system of electric distribution network overhead wire failure |
| CN106501656A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of on-line acquisition system of distribution line failure waveform |
| CN106501671A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring method of electric distribution network overhead wire failure |
| CN106556754A (en) * | 2016-10-12 | 2017-04-05 | 国网上海市电力公司 | A kind of online acquisition method of distribution line failure waveform |
| CN107783011A (en) * | 2017-09-19 | 2018-03-09 | 北京三清互联科技有限公司 | A kind of distribution line failure indicator based on wireless self-networking |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |