CN204832367U - Line loss real -time monitoring apparatus based on ISM monolithic radio frequency wireless repeater - Google Patents
Line loss real -time monitoring apparatus based on ISM monolithic radio frequency wireless repeater Download PDFInfo
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- CN204832367U CN204832367U CN201520247605.0U CN201520247605U CN204832367U CN 204832367 U CN204832367 U CN 204832367U CN 201520247605 U CN201520247605 U CN 201520247605U CN 204832367 U CN204832367 U CN 204832367U
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Abstract
The utility model relates to a line loss real -time monitoring apparatus based on ISM monolithic radio frequency wireless repeater is provided with the transformer monitor terminal that installs at the transformer and a plurality of user who installs at the resident's ammeter monitor terminal that loads, the user loads monitor terminal and passes through wireless repeater and be connected with transformer monitor terminal. Consequently the utility model discloses a ISM monolithic radio frequency wireless repeater technique makes the data of gathering can long distance wireless transmission, has avoided only according to the short -range shortcoming of ISM monolithic radio frequency technology, is favorable to the transmission of remote data more, utilizing ISM monolithic radio wireless repeater, replacing simple ISM monolithic radio frequency or based on wired carrier communication, in that some are old, walk line district lack of standardization and user's dispersion, carrier communication easily receives the interference, causes the efficiency of communication just low, is difficult to satisfy the requirement of using, perhaps based on the short shortcoming of wireless communication such as infrared, bluetooth, zigbee technique distance.
Description
Technical field
The utility model belongs to power line damage monitoring technical field, particularly relates to a kind of line loss real time monitoring apparatus based on ISM monolithic radio frequency wireless repeater.
Background technology
Electric power line loss is an important indicator of the quality of power supply, and power department at different levels is all paid much attention to, and Timeliness coverage stealing user and metering fault are difficult problems for the most headache of electric power line loss; At present, general meeting installs metering AC sampling comparative analysis and manual inspection fault additional at user terminal, the data that this mode gathers are imperfect, can not electric power line loss in W-response region, go wrong and need the inquiry of one-level one-level, cost of labor is too high, particularly in the community etc. of some high levels, subscriber's line all concentrates in electrical pipeline, is difficult to ascertain the reason.
" electrification of the countryside " 05 phase in 2013 submission County Power Plant line loss of puting into collection is monitored Lee Zhou Shigang in real time and is become merit Guo Yan rosy clouds, the electric company of develop and design Jinxiang County of positive 1 line loss real-time monitoring system constantly promotes the information system management level of electricity in recent years, the application of marketing MIS technology support system, power information acquisition system has been tending towards ripe, integrated management is carried out to power system, real time on-line monitoring is carried out to line loss and fine-grained management condition possesses.Company 2010 sets up demand Side Management center, implements remote centralized meter-reading system engineering to transformer station, 10kV substation transformer (joining depressor client, public power distribution station two parts containing special) and 0.4kV low pressure Electricity customers belonging to company.
" electric power network technique " 07 phase in 2000 puts into collection to contribute and utilizes Researching and practicing Lee of real-time monitoring system calculating practical line loss to account for prosperous Zhao Fu life, if each side does not strictly manage by the requirement of composition error, so the accuracy of gained statistical line losses rate is generally poor.Due to the existence of the component errors such as PT, CT, electric energy meter, purchasing, after electricity sales amount subtracts each other, line loss per unit is likely exaggerated or reduces.And this error increases along with the raising of electric pressure.In 10kV network loss, because it layouts extensively, management get up complexity, even if do not comprise steal, electrical leakage quantity, the authenticity of its statistical line losses rate is also poor.By computing method, the loss of each element of electrical network is added the total losses amount obtained and can be avoided above-mentioned shortcoming by the so-called theoretical line loss caluclation that purchase of electricity is divided by again.But in theoretical line loss caluclation, if only adjust slightly by the line loss per unit of a certain typical case's day or estimate the line loss per unit in this stage with the average electricity of certain one-phase and shape coefficient K, its result can not be satisfactory.In the historical data base of real-time monitoring system.
Bluetooth, infrared technique, ZigBee technology can provide short-range communication service quality relatively reliably, but their application still has respective restriction.The ISM monolithic radio frequency communication technology is that the wireless near field communication in simple embedded environment provides simple, economic, practical solution.ISM band be the wireless short-distance communications band that adopts at present extensively it there is advantages such as using unrestricted transceiver cheap, but it has some shortcomings part equally, and communication distance is exactly closely one of its defect.
Utility model content
The utility model installs metering AC sampling comparative analysis and manual inspection fault for solving current existing electric power line loss employing additional at user terminal, cause the data that gather imperfect, the technical matters that cost of labor is too high and provide the line loss real time monitoring apparatus based on ISM monolithic radio frequency wireless repeater that a kind of structure is simple, easy to use, increase work efficiency.
The technical scheme that the utility model is taked for the technical matters existed in solution known technology is:
The line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater should be provided with the transformer control terminal and multiple customer charge monitor terminal being arranged on resident's ammeter that are arranged on transformer;
Customer charge monitor terminal is connected with transformer control terminal by wireless repeater.
Transformer control terminal comprises for data analysis and calculates delivery, second singlechip by electricity and line loss curve map;
Be integrated in the communication module on second singlechip, warning horn, the second collector be connected by the serial ports of data line and second singlechip or parallel port, accumulator is powered to second singlechip by power lead, and display is connected by display connecting line with second singlechip.
The connector insulating body end face closing on this fastening screw hand grip portion caves inward formation groove;
Customer charge monitor terminal comprises the first collector;
The concentrator be connected with the first collector, is integrated in the concentrator of the first communication module.
Concentrator connects the first communication module by the first single-chip microcomputer, and concentrator connects the first single-chip microcomputer by data line, and the first communication module is integrated on the first single-chip microcomputer.
The ammeter of customer charge monitor terminal connects the first collector by RS485 serial ports.
Be arranged on the transformer control terminal of community transformer and multiple customer charge monitor terminal being arranged on resident's ammeter; Community powernet data, off-line data, user data are carried out information integerated, forms complete automated system.Realize the automatic management device of the monitoring under normal and failure condition, integration, feedback, advantageously in provide a kind of can the supervising device of whole monitoring community transformer electric power line loss;
Transformer control terminal comprises for data analysis and calculates delivery, the second singlechip by electricity and line loss curve map, the second communication module, accumulator, the second collector, warning horn, display; It is power distribution automation most end one-level monitoring unit, be responsible for monitoring distribution low-voltage side voltage, electric current, frequency, calculate active power, reactive power, active electrical degree, the idle electric degree of distribution transforming, analyze the quality of power supply, statistics energy data etc. observes line loss data, and can initial sum termination time of accurate recording loss, can statistics on time, per diem preserve data, very effectively can realize the loss monitoring of transformer.
Second communication module, accumulator, the second collector, warning horn, display are all connected with second singlechip, and accumulator is that whole transformer control terminal is powered.
Customer charge monitor terminal comprises the first single-chip microcomputer, the first communication module, the first collector, concentrator, and the first communication module is connected with first single-chip microcomputer in this building, and the first single-chip microcomputer is connected with concentrator, and concentrator is connected with first collector in this building.In the wiring of user side complexity, can external circuit be simplified.Collector can gather user power utilization information comprehensively and effectively, by scalar transmission, delivers to concentrator, is then delivered in single-chip microcomputer.The monitoring of line loss is reached by statistics energy data.Realize low-power consumption, low cost and the simple function of agreement.
Customer charge monitor terminal all relies on the wireless communication relay of ISM monolithic radio frequency to be connected by the first communication module with the second communication module in transformer control terminal to carry out communication, and wireless repeater often group has n module; By ISM monolithic radio frequency wireless repeater technology, enable the long range wireless transmission of the data of collection, avoided only according to the short-range shortcoming of ISM monolithic radio frequency technology, advantageously in the transmission of remote data;
Utilize the wireless repeater of ISM monolithic radio frequency, substitute simple ISM monolithic radio frequency or based on wired carrier-current communication, old at some, cabling is nonstandard and the community of user's dispersion, carrier communication is vulnerable to interference, cause the efficiency of communication just low, be difficult to the requirement meeting application, or based on the wireless communication technique such as infrared, bluetooth, Zigbee apart from short shortcoming.
The second singlechip of transformer control terminal is also connected with alarm, calculated by the data of second singlechip, all can triggered alarm if obtain abnormal data or anomalous event occurs, and according to alarm region trigger alarm record, and warning message is sent in display screen.
Wireless repeater forms by single chip control unit with based on the ISM band radio receiving transmitting module of ATA5428 chip, the wireless relay packet received is carried out relaying force transfer according to wireless relay agreement by single chip control unit, also can be delivered to local data from other modules by receiver on the other hand.Because various monitoring wiring, various pipeline, valve are more, be difficult to use wired transmission.The second, use wired disadvantages such as destroying building, waste interface, maintenance difficulty that often has.Wireless transmission well addresses this problem, and not only effectively can reduce costs, go back broad covered area, is applicable to mobile and discrete target;
Display connecting line comprises cable and connector, connector comprises insulating body, metallic shield, a plurality of stitch conducting terminal and two fastening screws, insulating body clad metal radome, stitch conducting terminal to be contained in this metallic shield and to be electrically connected with cable, described fastening screw is installed in the both sides of described insulating body and its termination is a hand grip portion, and described fastening screw increases from insulating body to the xsect of hand grip portion; Increasing by the hand grip portion of fastening screw being set to xsect, increasing the area of finger grip; Simultaneously as improving further, the connector insulating body end face closing on this metallic object caves inward, to hold the finger revolving fastening screw retain larger can operating space, enable fastener cycle hormany force, processing ease and efficient quick; And the hand grip portion of this fastening screw is metallic object, durable in use and can not come off.
The connector insulating body end face closing on this fastening screw hand grip portion caves inward formation groove;
The hand grip portion of described fastening screw is spherical shape metallic object;
The surface of described metallic object is provided with burr;
Described stitch conducting terminal is assembled with differing heights deploying in metallic shield;
The leading edge of described stitch conducting terminal is taper;
The coated flexible cable in periphery of described cable.
Accompanying drawing explanation
Fig. 1 is the line loss real time monitoring apparatus structural representation based on ISM monolithic radio frequency wireless repeater that the utility model embodiment provides;
Fig. 2 is the wireless repeater structural representation that the utility model embodiment provides;
In figure: 1, customer charge monitor terminal; 1-1, the first collector; 1-2, concentrator; 1-3, the first single-chip microcomputer; 1-4, the first communication module; 2, wireless repeater; 3, transformer control terminal; 3-1, second singlechip; 3-2, the second collector; 3-3, the second communication module; 3-4, accumulator; 3-5, alarm; 3-6, display;
Fig. 3 is the display screen connecting wire structure schematic diagram that the utility model embodiment provides;
Fig. 4 be the stitch conducting terminal of the connector that the utility model embodiment provides in metallic shield with the schematic diagram of differing heights deploying assembling.
Embodiment
For utility model content of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows.
Refer to Fig. 1 and Fig. 2:
The line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater 2 should be provided with the transformer control terminal 3 and multiple customer charge monitor terminal 1 being arranged on resident's ammeter that are arranged on transformer;
Customer charge monitor terminal 1 is connected with transformer control terminal 3 by wireless repeater 2.
Transformer control terminal 3 comprises for data analysis and calculates delivery, second singlechip 3-1 by electricity and line loss curve map;
Be integrated in the communication module on second singlechip 3-1, warning horn 3-5, the second collector 3-2 are connected by the serial ports of data line and second singlechip 3-1 or parallel port, accumulator 3-4 is powered to second singlechip 3-1 by power lead, and display 3-6 is connected by display 3-6 connecting line with second singlechip 3-1.
The connector insulating body end face closing on this fastening screw hand grip portion caves inward formation groove;
Customer charge monitor terminal 1 comprises the first collector 1-1;
The concentrator 1-2 be connected with the first collector 1-1, is integrated in the concentrator 1-2 of the first communication module 1-4.
Concentrator 1-2 connects the first communication module 1-4 by the first single-chip microcomputer 1-3, and concentrator 1-2 connects the first single-chip microcomputer 1-3 by data line, and the first communication module 1-4 is integrated on the first single-chip microcomputer 1-3.
The ammeter of customer charge monitor terminal 1 connects the first collector 1-1 by RS485 serial ports.
The utility model provides a kind of employing and monitors in real time circuit line loss based on ISM monolithic radio frequency wireless repeater, and then finds stealing user and metering fault by computational scheme line loss.Adopt the wireless repeater technology based on ISM monolithic radio frequency, be conducive to the line loss of whole monitoring community transformer.The utility model, by gathering user terminal and transformer terminal data, calculates in real time, solves the difficulty of manual inspection fault.
A kind of line loss real time monitoring apparatus based on ISM band wireless repeater of the present utility model, comprises the transformer control terminal 3 and multiple customer charge monitor terminal 1 being arranged on resident's ammeter that are arranged on community transformer;
Transformer control terminal 3 comprises for data analysis and calculates delivery, the second singlechip 3-1 by electricity and line loss curve map, the second communication module 3-3, accumulator 3-4, the second collector 3-2, warning horn 3-5, display 3-6; Second communication module 3-3, accumulator 3-4, the second collector 3-2, warning horn 3-5, display 3-6 are all connected with second singlechip 3-1, and accumulator 3-4 is that whole transformer control terminal 3 is powered.
Customer charge monitor terminal 1 comprises the first single-chip microcomputer 1-3, the first communication module 1-4, the first collector 1-1, concentrator 1-2, first communication module 1-4 is connected with the first single-chip microcomputer 1-3 in this building, first single-chip microcomputer 1-3 is connected with concentrator 1-2, and concentrator 1-2 is connected with the first collector 1-1 in this building.
Customer charge monitor terminal 1 all relies on the wireless communication relay 2 of ISM monolithic radio frequency to be connected by the first communication module 1-4 with the second communication module 3-3 in transformer control terminal 3 to carry out communication, and wireless repeater 2 often group has n module;
The second singlechip 3-1 of transformer control terminal 3 is also connected with alarm 3-5.
As shown in Figure 2, wireless repeater 2 forms by single chip control unit 2-1 with based on the ISM band radio receiving transmitting module 2-2 of ATA5428 chip, the wireless relay packet received is carried out relaying force transfer according to wireless relay agreement by single chip control unit 2-1, also can be delivered to local data from other modules by receiver on the other hand.
As shown in Figure 3 and Figure 4, inventive display connecting line comprises connector 1 and cable 2, this connector 1 comprises insulating body 13, metallic shield 11, some stitch conducting terminals 14 and two fastening screws 12, insulating body 13 clad metal radome 11, stitch conducting terminal 14 to be contained in this metallic shield 11 and to realize being electrically connected with cable 2.Fastening screw 12 is respectively equipped with in the both sides of insulating body 13, fastening screw 12 is gripped for ease of finger force, the termination of this fastening screw 12 is a surface band hand grip portion 121, this hand grip portion 121 is xsect increase, the best is adopted as spherical shape metallic object, to strengthen the comfort of finger, ensure durable in use simultaneously and can not come off; In order to hold the finger revolving fastening screw 12 retain larger can operating space, connector 1 insulating body 13 end face closing on this metallic object caves inward formation one arcuation groove 14.
In order to increase the friction of finger with metal body surface, be provided with burr on the surface of the hand grip portion 121 of fastening screw 12.
As further technological improvement, these several stitch conducting terminals 14 are assembled with differing heights deploying in metallic shield 11, pin contact 14 so just can be made dispersed with the stitch slot mating force on Connection Block, in whole connection procedure, mating force reduces, and the serviceable life of connector and Connection Block is extended.Meanwhile, the leading edge of stitch conducting terminal 14 is set to cone-shaped, is conducive to the pressure increasing stitch conducting terminal 14 leading edge, thus smooth and easy insertion Connection Block stitch slot.
In order to strengthen the pliability of cable 2, prevent from being fractureed by frequent bending, at the peripheral coated flexible cable of described cable.
The beneficial effect compared with prior art had is: the utility model can the electric power line loss of reflection community transformer whole promptly and accurately, for the data analysis of power supply department offers convenience, based on the supervising device of ISM monolithic radio frequency wireless repeater network, whole installation cost is lower, practical.
Principle of work of the present utility model:
Customer charge monitor terminal all relies on the communication of ISM band wireless repeater to be connected by the first communication module and the second communication module of transformer control terminal, each wireless repeater, the relay transmission of wireless data can be realized, namely there is the function of wireless relay; Be provided with unique this station address to make wireless relay transmission each wireless repeater smooth to need in addition to carry out planning and design to the agreement of wireless relay communication with a descending trunk module address that associates with unique up trunk module address that associates.
Above-mentioned customer charge monitor terminal and transformer control terminal all have unique coding, this coding carrying user profile, gather customer power supply amount and be subject to electric quantity data, then the information gathered is passed through the first communication module ISM wireless network transmissions to relay, then the second communication module of transformer control terminal is transferred to by relay, second singlechip in transformer control terminal gathers the delivery of transformer whole and is subject to electricity, the data of all users be subject to are carried out analytical calculation by second singlechip simultaneously, show finally by display, the electric power line loss of real-time this community of display, can be reported to the police by warning horn when a failure occurs it, for power supply department provides convenient.
The above is only to preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (7)
1. the line loss real time monitoring apparatus based on ISM monolithic radio frequency wireless repeater, it is characterized in that, the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater should be provided with the transformer control terminal and multiple customer charge monitor terminal being arranged on resident's ammeter that are arranged on transformer;
Customer charge monitor terminal is connected with transformer control terminal by wireless repeater.
2. as claimed in claim 1 based on the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater, it is characterized in that, transformer control terminal comprises for data analysis and calculates delivery, second singlechip by electricity and line loss curve map;
Be integrated in the communication module on second singlechip, warning horn, the second collector be connected by the serial ports of data line and second singlechip or parallel port, accumulator is powered to second singlechip by power lead, and display is connected by display connecting line with second singlechip.
3. as claimed in claim 2 based on the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater, it is characterized in that, display connecting line comprises cable and connector, connector comprises insulating body, metallic shield, a plurality of stitch conducting terminal and two fastening screws, insulating body clad metal radome, stitch conducting terminal to be contained in this metallic shield and to be electrically connected with cable, described fastening screw is installed in the both sides of described insulating body and its termination is a hand grip portion, described fastening screw increases from insulating body to the xsect of hand grip portion.
4. as claimed in claim 3 based on the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater, it is characterized in that, the connector insulating body end face closing on this fastening screw hand grip portion caves inward formation groove;
The hand grip portion of described fastening screw is spherical shape metallic object;
The surface of described metallic object is provided with burr;
Described stitch conducting terminal is assembled with differing heights deploying in metallic shield;
The leading edge of described stitch conducting terminal is taper;
The coated flexible cable in periphery of described cable.
5., as claimed in claim 1 based on the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater, it is characterized in that, customer charge monitor terminal comprises the first collector;
The concentrator be connected with the first collector, is integrated in the concentrator of the first communication module.
6. as claimed in claim 5 based on the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater, it is characterized in that, concentrator connects the first communication module by the first single-chip microcomputer, and concentrator connects the first single-chip microcomputer by data line, and the first communication module is integrated on the first single-chip microcomputer.
7., as claimed in claim 5 based on the line loss real time monitoring apparatus of ISM monolithic radio frequency wireless repeater, it is characterized in that, the ammeter of customer charge monitor terminal connects the first collector by RS485 serial ports.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929283A (en) * | 2016-06-12 | 2016-09-07 | 华电电力科学研究院 | Electric energy balance test system and electric energy balance test method for power utilization enterprise |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929283A (en) * | 2016-06-12 | 2016-09-07 | 华电电力科学研究院 | Electric energy balance test system and electric energy balance test method for power utilization enterprise |
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