CN204439710U - A kind of packaged type electric quantity acquisition terminal adopting carrier communication - Google Patents
A kind of packaged type electric quantity acquisition terminal adopting carrier communication Download PDFInfo
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- CN204439710U CN204439710U CN201520065271.5U CN201520065271U CN204439710U CN 204439710 U CN204439710 U CN 204439710U CN 201520065271 U CN201520065271 U CN 201520065271U CN 204439710 U CN204439710 U CN 204439710U
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Abstract
A kind of packaged type electric quantity acquisition terminal adopting carrier communication, comprise the housing being provided with LED digital display screen, main control unit, electric quantity acquisition module, storage unit, carrier communication unit, power supply unit, IO interface, channel allocation circuit and imput output circuit group is respectively arranged with in housing, main control unit is connected with electric quantity acquisition module, storage unit, carrier communication unit respectively, and carrier communication unit is connected with IO interface by the channel allocation circuit connected and the imput output circuit group be connected with channel allocation circuit.The RS232 interface that main control unit is arranged by it is connected with LED digital display screen, be presented at by data message on this display screen, and main control unit is also provided with hummer and real-time clock, Realtime Alerts and interocclusal record when providing.The utility model supports hot line job, and without the need to installing communication line additional in addition, is applicable between the unserviceable underground distribution of various wireless communication means, easy to operate, safe and reliable.
Description
Technical field
The utility model relates to a kind of data record, harvester, particularly relates to a kind of packaged type electric quantity acquisition terminal that can be applicable to the employing carrier communication in the field such as automation collection and energy efficiency management system of electric power data.
Background technology
At present, along with the update of electric system and coming into operation of new technology, also thereupon higher to the requirement of the automation collection of electric power data, and the existing electric power data automation collection of China mainly adopts the equipment such as electric energy meter, power load collector, its main installation and operation mode is:
Select crucial place that collecting device is installed in the installation occasion of correspondence, by RS485 or wireless telecommunications system and negative control management terminal communication, and by upload communication channel, be generally the mode such as optical networking, GPRS, GSM or 230MHz wireless telecommunications, then with the communication of backstage main website.Collection point is generally just determine when power supply region, and installs together with electric power system.
But, along with in the erection application of Novel intelligent building and energy efficiency management system, some be there is no to the user of Design cooling load acquisition system, install electric quantity acquisition equipment additional then to need to change power supply region, increase data transmission channel, the power distribution station of these Ground Connection in Intelligent Building is generally between underground distribution, between this underground distribution, various wireless communication means often cannot utilize, and needs the installation relevant device that has a power failure.Because the energy efficiency management transformation of Ground Connection in Intelligent Building needs the electric power data gathering multiple spot, and need to upload management system main frame in real time, the normal electricity consumption of user can not be affected simultaneously, therefore existing coulomb collection system cannot be satisfied the demand, and substantially do not meet the product of this application requirement in the market.
Therefore it is existing in the urgent need to a kind of novel electric quantity acquisition terminal, can be applicable to the automation collection of electric power data and energy efficiency management system, novel communication mode should be possessed to tackle between the unserviceable underground distribution of wireless communication means or similar site, need easy to operate, safe and reliable, and can hot line job, do not affect the need for electricity of user.
Utility model content
In order to solve under prior art between the unserviceable underground distribution of wireless communication means or similar site carry out the difficulty of the automation collection of electric power data, and the impact of erecting equipment on customer power supply that must have a power failure, coulomb collection system under prior art is difficult to the problem meeting the demand, the utility model provides a kind of packaged type electric quantity acquisition terminal adopting carrier communication, this terminal can use in the unserviceable space of wireless communication means, the collection point of image data is respectively needed to gather at the scene, store the on-the-spot various electric quantity data of user, and by carrier communication, image data is sent to on-the-spot concentrator, then backstage main website is uploaded to by communication channel.This equipment is without the need to carrying out power failure transformation to former using electricity system, can charged place in circuit, only this terminal need be connected on corresponding terminal block or terminal block bolt and can complete installation, the electric quantity data of self-timing collection needs can be started and be kept in storage unit, according to the demand uploading data of concentrator, there is applying flexible, simple installation, the feature such as removable.Concrete structure of the present utility model is as described below:
Adopt a packaged type electric quantity acquisition terminal for carrier communication, comprise the housing being provided with LED digital display screen, it is characterized in that:
Main control unit, electric quantity acquisition module, storage unit, carrier communication unit, power supply unit, IO interface, channel allocation circuit and imput output circuit group is respectively arranged with in described housing, wherein main control unit is connected with electric quantity acquisition module, storage unit, carrier communication unit respectively, and carrier communication unit is connected with IO interface by the channel allocation circuit connected and the imput output circuit group be connected with channel allocation circuit;
The RS232 interface that described main control unit is arranged by it is connected with LED digital display screen, be presented at by data message on this display screen, and main control unit is also provided with hummer and real-time clock, Realtime Alerts and interocclusal record when providing.
According to a kind of packaged type electric quantity acquisition terminal adopting carrier communication of the present utility model, it is characterized in that, described IO interface comprises current interface and voltage interface, wherein, current interface respectively with A phase current input circuit, B phase current input circuit is connected with C phase current input circuit, A, B, C phase current input circuit is connected with electric quantity acquisition module again, and voltage interface respectively with A phase voltage input circuit, B phase voltage input circuit is connected with C phase voltage input circuit, A, B, C phase voltage input circuit is also connected with electric quantity acquisition module, and the circuit of N interfaces in voltage interface is connected with power supply unit with the circuit of C phase voltage input circuit, power by it.
According to a kind of packaged type electric quantity acquisition terminal adopting carrier communication of the present utility model, it is characterized in that, described imput output circuit group comprises carrier wave output amplifier, carrier wave input detecting circuit, B phase output circuit, B phase input circuit, A phase output circuit and A phase input circuit, wherein, the connection of the C phase voltage of carrier wave output amplifier and carrier wave input detecting circuit and voltage interface, and this carrier wave output amplifier and carrier wave input detecting circuit are connected with power supply unit and power by it, the connection of the B phase voltage of B phase output circuit and B phase input circuit and voltage interface, A phase output circuit and A phase input circuit then with the connection of the A phase voltage of voltage interface.
A kind of principle of work of the packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is: the time interval set by main control unit by electric quantity acquisition module obtains the data of needs and is kept in storage unit, and by carrier communication unit, data are spread out of, main control unit controls operation and the carrier communication of whole equipment, power supply unit is responsible for equipment and is powered, IO interface facilitates site work, and person adopts current clamp, the operation of voltage folder.
Main control unit and carrier communication unit adopt special power carrier communication SoC chip, and carrier communication uses special carrier modulation demodulation method, coordinate special communication coding/error correction algorithm, have the features such as antijamming capability is strong, long transmission distance.This chip can also realize data processing, store control and the function such as Communication Control, state display.
Electric quantity acquisition module selects high-performance electric quantity acquisition module, and by the ADC analog to digital conversion circuit of the sigma-delta on passage 2 rank, front end 6 analog signal sampling to input, inner high performance 24 bit DSP digital signal processors complete inner triphase parameter process.
A kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is gathered current signal by external three-phase split core type current transformer, is introduced voltage signal by external three-phase and four-line voltage folder.
Power supply unit introduces power supply by voltage signal line, and produces the various internal power supplies needed for equipment.
The LED digital display screen of four and multiple LED light, coordinate hummer and real-time clock, respectively display device numbering and various duty.
Can be completed by input interface UART the setting operation of equipment, also can carry out far-end setting by the carrier channel of carrier communication unit.
A kind of packaged type electric quantity acquisition terminal adopting carrier communication of the present utility model, its concrete using method is as follows:
1. first by near a kind of circuit adopting the packaged type electric quantity acquisition terminal of carrier communication to be placed on to need image data of the present utility model;
2. connect current clamp, the current interface socket of the correspondence first current clamp plug being inserted into respectively the A phase current input circuit of current interface, B phase current input circuit and C phase current input circuit circuit is separately locked, three A, B, C threephase cables current clamp being clamped respectively data circuit to be collected by mark;
3. connect pressure-wire, voltage folder is clipped on corresponding cable outlet respectively, voltage interface is answered: Huang-A phase voltage input circuit by Color pair, green-B phase voltage input circuit, red-C phase voltage input circuit, indigo plant-N interfaces, to be then inserted into pressure-wire plug respectively on voltage interface socket corresponding to each voltage input circuit and to lock;
4. start acquisition operations, to be correlated with electric quantity data to multiple station acquisition, these data and index mainly contain: voltage, electric current, meritorious/reactive power, power factor etc.
Compare with existing electric power data automation collection technology, advantage of the present utility model is as follows:
1. for the evaluation item of certain energy-conserving and environment-protective demonstration building, at the critical point such as photovoltaic generation, reactive-load compensation, this terminal is installed respectively according to demand, the continuous acquisition subitem data of tens days, respectively gain merit/reactive power, power factor, each phase current/voltage etc. mutually, within every 15 minutes, gather one group of data; Meet the data needs that the project evaluation is right.Equipment is installed and is not had any impact to customer power supply;
2. although in-site installation of the present utility model also has some load harvesters, this is the routine configuration of the negative Ore-controlling Role of prior art, but fix because of position, collection content, the whole requirements to data analysis cannot be met, therefore the utility model is installed and compensate for the deficiencies in the prior art;
3. those are not installed to the electric power system of negative control equipment, following when carrying out the transformation of Ground Connection in Intelligent Building energy efficiency management system, the utility model will be desirable data collector;
4. in addition, the utility model adopts voltage power-line carrier communication technology, for the basement power distribution station of the ratio of being in the great majority, that those cannot adopt the desirable substitute products of radio communication occasion, and the utility model adopts the low voltage power line carrier mechanics of communication meeting GB, communication distance is not less than 500 meters, can meet field demand.
In sum, because electric quantity data acquisition is to being separated with certain requirement between acquisition time, be generally hour data or 15 minute datas.The data collection point at user scene does not usually have metering outfit or only has the equipment such as electric energy meter, power load collector but can not preserve the data of needs, such as intelligent electric energy meter only preserve accumulative electricity and the moon electric quantity data, hour data or 15 minute datas cannot be preserved; And ordinary electric meter can only provide accumulative electric quantity data.And the utility model can meet the needs of this kind of occasion completely.
A kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is used to obtain following beneficial effect:
1. of the present utility modelly a kind ofly adopt the packaged type electric quantity acquisition terminal of carrier communication with special carrier communication microprocessor for core, utilize low voltage electric power carrier communication pattern: by power cable transmission data, without the need to installing communication line additional in addition, coordinate high-performance specialty electric energy meter three-phase power data acquisition IO interface, simple circuit, cost is low, and calibrated rear data are accurate.
2. a kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is configured with multiple safeguard protection and quarantine measures simultaneously, can in the unserviceable space of wireless communication means, as the use between underground distribution and under various severe complex environment, have stable, adaptable feature;
3. a kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model can support hot line job, avoid the impact had a power failure on user, the utility model is installed, conveniently moving, as long as change the collection point that collection position moves on to equipment needs, and current clamp and voltage folder be equipped with, as long as the relevant position being clipped in collection point can start to gather, overall by force anti-interference, coordinate the insulation aviation plug of senior nylon.Handling safety is reliable, is the good tool gathering energy data during Ground Connection in Intelligent Building energy efficiency management system and Ground Connection in Intelligent Building energy efficiency management system are transformed.
Accompanying drawing explanation
Fig. 1 is a kind of inside concrete structure schematic diagram adopting the packaged type electric quantity acquisition terminal of carrier communication of the present utility model;
Fig. 2 is a kind of practical application effect schematic diagram adopting the packaged type electric quantity acquisition terminal of carrier communication of the present utility model.
In figure: 1-housing, 1a-LED digital display screen, A-main control unit, B-electric quantity acquisition module, C-storage unit, D-carrier communication unit, E-power supply unit, F-IO interface, G-channel allocation circuit, H-imput output circuit, A1-RS232 interface, A2-hummer, A3-real-time clock, F1-current interface, F2-voltage interface, F11-A phase current input circuit, F12-B phase current input circuit, F13-C phase current input circuit, F21-A phase voltage input circuit, F22-B phase voltage input circuit, F23-C phase voltage input circuit, F24-N interfaces, H1-carrier wave output amplifier, H2-carrier wave input detecting circuit, H3-B phase output circuit, H4-B phase input circuit, H5-A phase output circuit, H6-A phase input circuit.
Embodiment
Below in conjunction with drawings and Examples, a kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is further described.
Embodiment
As depicted in figs. 1 and 2, a kind of packaged type electric quantity acquisition terminal adopting carrier communication, comprise the housing 1 being provided with LED digital display screen 1a, main control unit A is respectively arranged with in housing, electric quantity acquisition module B, storage unit C, carrier communication cells D, power supply unit E, IO interface F, channel allocation circuit G and imput output circuit group H, wherein main control unit respectively with electric quantity acquisition module, storage unit, carrier communication unit connects, and carrier communication unit is connected with IO interface by the channel allocation circuit connected and the imput output circuit group be connected with channel allocation circuit,
The RS232 interface A1 that main control unit A is arranged by it is connected with LED digital display screen 1a, be presented at by data message on this display screen, and main control unit is also provided with hummer A2 and real-time clock A3, Realtime Alerts and interocclusal record when providing.
IO interface F comprises current interface F1 and voltage interface F2, wherein, current interface respectively with A phase current input circuit F11, B phase current input circuit F12 is connected with C phase current input circuit F13, A, B, C phase current input circuit is connected with electric quantity acquisition module B again, and voltage interface F2 respectively with A phase voltage input circuit F21, B phase voltage input circuit F22 is connected with C phase voltage input circuit F23, A, B, C phase voltage input circuit is also connected with electric quantity acquisition module B, and the circuit of N interfaces F24 in voltage interface is connected with power supply unit E with the circuit of C phase voltage input circuit, power by it.
Imput output circuit group H comprises carrier wave output amplifier H1, carrier wave input detecting circuit H2, B phase output circuit H3, B phase input circuit H4, A phase output circuit H5 and A phase input circuit H6, wherein, the connection of the C phase voltage of carrier wave output amplifier and carrier wave input detecting circuit and voltage interface F2, and this carrier wave output amplifier and carrier wave input detecting circuit are connected with power supply unit E and power by it, the connection of the B phase voltage of B phase output circuit and B phase input circuit and voltage interface, A phase output circuit and A phase input circuit then with the connection of the A phase voltage of voltage interface.
As depicted in figs. 1 and 2, a kind of packaged type electric quantity acquisition terminal adopting carrier communication of the present utility model, its concrete using method is as follows:
1. first by near a kind of circuit adopting the packaged type electric quantity acquisition terminal of carrier communication to be placed on to need image data of the present utility model;
2. connect current clamp, the current interface socket of the correspondence first current clamp plug being inserted into respectively A phase current input circuit F11, B phase current input circuit F12 of current interface and C phase current input circuit F13 circuit is separately locked, three A, B, C threephase cables current clamp being clamped respectively data circuit to be collected by mark;
3. connect pressure-wire, voltage folder is clipped on corresponding cable outlet respectively, voltage interface F2: Huang-A phase voltage input circuit F21 is answered by Color pair, green-B phase voltage input circuit F22, red-C phase voltage input circuit F23, indigo plant-N interfaces F24, to be then inserted into pressure-wire plug respectively on voltage interface socket corresponding to each voltage input circuit and to lock;
4. start acquisition operations, to be correlated with electric quantity data to multiple station acquisition, these data and index mainly contain: voltage, electric current, meritorious/reactive power, power factor etc.
The utility model has 2 kinds of mode of operations:
The first is on-line working pattern: install this terminal needing the working point of image data, if collection in worksite/control mode of operation then management system by the mode of carrier communication and each acquisition terminal communication, collect the electric quantity data of each point, for site intelligent building energy saving synergy management system provides the required firsthand information; If far-end collection/control mode of operation then needs installation data to gather concentrator, concentrator by the mode of carrier communication and each acquisition terminal communication, the electric quantity data of collection each point, and upload to remote management system by data feedback channel.
The second is unit mode of operation: need to gather each point electric quantity data in certain hour section for some and carry out the occasion of analyzing and processing, it is generally Ground Connection in Intelligent Building energy efficiency management system transformation fishing expedition in early stage, needing the working point of image data, this terminal can be installed, set this terminal completion timing collection voluntarily/storage work behind collection project and acquisition time interval, after timing acquiring after a while, this terminal is torn back open the data analysis/process of reading and saving.Unit mode of operation can gather Power system load data everywhere flexibly, for the transformation of Ground Connection in Intelligent Building energy efficiency management system provides full and accurate design considerations.
Compare with existing electric power data automation collection technology, advantage of the present utility model is as follows:
1. for the evaluation item of certain energy-conserving and environment-protective demonstration building, at the critical point such as photovoltaic generation, reactive-load compensation, this terminal is installed respectively according to demand, the continuous acquisition subitem data of tens days, respectively gain merit/reactive power, power factor, each phase current/voltage etc. mutually, within every 15 minutes, gather one group of data; Meet the data needs that the project evaluation is right.Equipment is installed and is not had any impact to customer power supply;
2. although in-site installation of the present utility model also has some load harvesters, this is the routine configuration of the negative Ore-controlling Role of prior art, but fix because of position, collection content, the whole requirements to data analysis cannot be met, therefore the utility model is installed and compensate for the deficiencies in the prior art;
3. those are not installed to the electric power system of negative control equipment, following when carrying out the transformation of Ground Connection in Intelligent Building energy efficiency management system, the utility model will be desirable data collector;
4. in addition, the utility model adopts voltage power-line carrier communication technology, for the basement power distribution station of the ratio of being in the great majority, that those cannot adopt the desirable substitute products of radio communication occasion, and the utility model adopts the low voltage power line carrier mechanics of communication meeting GB, communication distance is not less than 500 meters, can meet field demand.
In sum, because electric quantity data acquisition is to being separated with certain requirement between acquisition time, be generally hour data or 15 minute datas.The data collection point at user scene does not usually have metering outfit or only has the equipment such as electric energy meter, power load collector but can not preserve the data of needs, such as intelligent electric energy meter only preserve accumulative electricity and the moon electric quantity data, hour data or 15 minute datas cannot be preserved; And ordinary electric meter can only provide accumulative electric quantity data.And the utility model can meet the needs of this kind of occasion completely.
A kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is used to obtain following beneficial effect:
1. of the present utility modelly a kind ofly adopt the packaged type electric quantity acquisition terminal of carrier communication with special carrier communication microprocessor for core, utilize low voltage electric power carrier communication pattern: by power cable transmission data, without the need to installing communication line additional in addition, coordinate high-performance specialty electric energy meter three-phase power data acquisition IO interface, simple circuit, cost is low, and calibrated rear data are accurate.
2. a kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model is configured with multiple safeguard protection and quarantine measures simultaneously, can in the unserviceable space of wireless communication means, as the use between underground distribution and under various severe complex environment, have stable, adaptable feature;
3. a kind of packaged type electric quantity acquisition terminal of carrier communication that adopts of the present utility model can support hot line job, avoid the impact had a power failure on user, the utility model is installed, conveniently moving, as long as change the collection point that collection position moves on to equipment needs, and current clamp and voltage folder be equipped with, as long as the relevant position being clipped in collection point can start to gather, overall by force anti-interference, coordinate the insulation aviation plug of senior nylon.Handling safety is reliable, is the good tool gathering energy data during Ground Connection in Intelligent Building energy efficiency management system and Ground Connection in Intelligent Building energy efficiency management system are transformed.
Claims (3)
1. adopt a packaged type electric quantity acquisition terminal for carrier communication, comprise the housing (1) being provided with LED digital display screen (1a), it is characterized in that:
Main control unit (A), electric quantity acquisition module (B), storage unit (C), carrier communication unit (D), power supply unit (E), IO interface (F), channel allocation circuit (G) and imput output circuit group (H) is respectively arranged with in described housing (1), wherein main control unit is connected with electric quantity acquisition module, storage unit, carrier communication unit respectively, and carrier communication unit is connected with IO interface by the channel allocation circuit connected and the imput output circuit group be connected with channel allocation circuit;
The RS232 interface (A1) that described main control unit (A) is arranged by it is connected with LED digital display screen (1a), data message is presented on this display screen, and main control unit is also provided with hummer (A2) and real-time clock (A3), Realtime Alerts and interocclusal record when providing.
2. a kind of packaged type electric quantity acquisition terminal adopting carrier communication as claimed in claim 1, it is characterized in that, described IO interface (F) comprises current interface (F1) and voltage interface (F2), wherein, current interface respectively with A phase current input circuit (F11), B phase current input circuit (F12) is connected with C phase current input circuit (F13), A, B, C phase current input circuit is connected with electric quantity acquisition module (B) again, and voltage interface (F2) respectively with A phase voltage input circuit (F21), B phase voltage input circuit (F22) is connected with C phase voltage input circuit (F23), A, B, C phase voltage input circuit is also connected with electric quantity acquisition module (B), and the circuit of N interfaces (F24) in voltage interface is connected with power supply unit (E) with the circuit of C phase voltage input circuit, power by it.
3. a kind of packaged type electric quantity acquisition terminal adopting carrier communication as claimed in claim 1, it is characterized in that, described imput output circuit group (H) comprises carrier wave output amplifier (H1), carrier wave input detecting circuit (H2), B phase output circuit (H3), B phase input circuit (H4), A phase output circuit (H5) and A phase input circuit (H6), wherein, the connection of the C phase voltage of carrier wave output amplifier and carrier wave input detecting circuit and voltage interface (F2), and this carrier wave output amplifier is connected with carrier wave input detecting circuit with power supply unit (E) and powers by it, the connection of the B phase voltage of B phase output circuit and B phase input circuit and voltage interface, A phase output circuit and A phase input circuit then with the connection of the A phase voltage of voltage interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520065271.5U CN204439710U (en) | 2015-01-29 | 2015-01-29 | A kind of packaged type electric quantity acquisition terminal adopting carrier communication |
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| CN201520065271.5U CN204439710U (en) | 2015-01-29 | 2015-01-29 | A kind of packaged type electric quantity acquisition terminal adopting carrier communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635029A (en) * | 2015-01-29 | 2015-05-20 | 国网上海市电力公司 | Movable electricity acquisition terminal adopting carrier communication and electricity acquisition method |
| CN112269098A (en) * | 2020-09-29 | 2021-01-26 | 北京科东电力控制系统有限责任公司 | Distribution network wave recording fault indicator |
-
2015
- 2015-01-29 CN CN201520065271.5U patent/CN204439710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635029A (en) * | 2015-01-29 | 2015-05-20 | 国网上海市电力公司 | Movable electricity acquisition terminal adopting carrier communication and electricity acquisition method |
| CN112269098A (en) * | 2020-09-29 | 2021-01-26 | 北京科东电力控制系统有限责任公司 | Distribution network wave recording fault indicator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Tao Inventor after: Chen Yudan Inventor after: Zhang Jingan Inventor before: Xu Tao Inventor before: Chen Yudan |
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| COR | Change of bibliographic data |