CN201886078U - Acquisition device of multi-loop electric energy data - Google Patents
Acquisition device of multi-loop electric energy data Download PDFInfo
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- CN201886078U CN201886078U CN2010205440240U CN201020544024U CN201886078U CN 201886078 U CN201886078 U CN 201886078U CN 2010205440240 U CN2010205440240 U CN 2010205440240U CN 201020544024 U CN201020544024 U CN 201020544024U CN 201886078 U CN201886078 U CN 201886078U
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Abstract
The utility model provides an acquisition device of multi-loop electric energy data, which comprises an electric energy metering unit, a control unit and a communication interface, wherein the electric energy metering unit comprises at least two sets of signal-loop metering circuits, and each set of signal-loop metering circuit is respectively coupled with an independent current loop and outputs the energy consumption date of the independent current loop; and the control unit receives the energy consumption date of each set of signal-loop metering circuit and transmits the energy consumption date by the communication interface. The most essential metering circuit in an ammeter of the prior art can be independently arranged on each loop which needs to be metered due to the scheme, and the part which is arranged at the periphery of the ammeter in the prior art is shared by each metering circuit, so that the problems of the larger installing space since a plurality of ammeters are needed to be arranged at each loop and the higher configuration cost are solved when the loops are needed to be metered in a subentry way in the prior art.
Description
Technical field
The utility model relates to the energy consumption measure technical field, particularly relate to a kind of can be to the itemize multiloop electrical energy data acquiring device of power consumption metering of a plurality of loops.
Background technology
At present country is just wideling popularize energy-saving and emission-reduction work, and power save mode mainly contains initiatively energy-conservation (promptly managing energy-conservation), passive energy-conservation (being technical energy saving), energy-conservation and passive energy-conservation mode such as combine initiatively.Initiatively energy-conservation main by improving with personnel's awareness of saving energy realizing, one of them main approach is to show by the digital figure that the building energy consumption data are provided in real time, strengthen the understanding of people, transfer people environmental protection, energy-conservation enthusiasm and consciousness to energy consumption, CO2 emission and climate change.Energy consumption data can show with forms of expression such as carbon emission amount, coal consumptions, makes with personnel intuitively experiencing the energy consumption situation.
Existing building system generally can only show the energy consumption situation of whole building, and common clerical workforce is not had specific aim.For make in the building everyone can both physical experience to the relation of self behavior and energy-saving and emission-reduction, improve awareness of saving energy, realize initiatively energy-conservation, respectively each floor and each room energy consumption situation of floor are carried out metering separate with regard to needs, but existing electric energy meter can only measure the power consumption situation in a loop, if will realize the metering separate to each sub-loop, just need a plurality of electric energy meters be installed according to the quantity of sub-loop, on the one hand, need higher equipment cost; On the other hand, the ammeter of One's name is legion may be that the space constraint that metering outfit keeps can't normal mounting because of building system also.
The utility model content
Technical problem to be solved in the utility model provides a kind of multiloop electrical energy data acquiring device, can carry out metering separate to the power consumption situation of a plurality of current returns, solve bigger installing space and the system configuration cost problem of higher of needs that prior art is brought because of a loop one ammeter.
In order to address the above problem, the utility model discloses a kind of multiloop electrical energy data acquiring device, comprise electric energy metrical unit, control module and communication interface, wherein: the electric energy metrical unit comprises 2 groups or 2 groups of above single channel metering circuits, every group of single channel metering circuit is coupled with a separate current loop respectively, and exports the energy consumption data in this separate current loop; Control module receives the described energy consumption data from every group of single channel metering circuit, and sends by described communication interface.
Preferably, the single channel metering circuit of respectively organizing of above-mentioned electric energy metrical unit connects by bus and control module.
Preferably, above-mentioned multiloop electrical energy data acquiring device also comprises the storage unit of preserving energy consumption data according to the request of control module.
Preferably, said memory cells is NOR flash memory or nand flash memory.
Preferably, above-mentioned communication interface is concrete adopts as at least a in the lower interface: the power carrier interface by the power circuit Data transmission, the wireless receiving and dispatching interface by the wireless network Data transmission, pass through the RS485 interface of twisted-pair feeder or RS485 private cable Data transmission.
Preferably, above-mentioned multiloop electrical energy data acquiring device also comprises user interface, and this user interface specifically comprises: the LCD that shows the energy consumption data in each separate current loop.
Preferably, above-mentioned user interface also comprises: import relevant display parameter for the user, thus the Keysheet module that the display message of described LCD is controlled.
Preferably, above-mentioned single channel metering circuit comprises: the current transformation subelement that the alternating current in measured loop is changed into the small-signal current of equivalence; The alternating voltage in measured loop is changed into the voltage transformation subelement of the small signal of equivalence; The small signal of the small-signal current of received current varitron unit output and the output of voltage transformation subelement, and with the electric energy computation subunit of above-mentioned small-signal current and small signal conversion energy consumption data.
Preferably, above-mentioned electric energy computation subunit specifically comprises: finish small signal and the small-signal current instantaneous value multiplies each other, export the multiplier of a dc voltage value that is directly proportional with average power in a period of time; Receive the dc voltage value that multiplier generates, and above-mentioned dc voltage value is converted to the electric voltage/frequency converter of pulsed frequency; Above-mentioned pulsed frequency is counted, formed the counter of corresponding energy consumption data.
Compared with prior art, the utlity model has following advantage:
The electric energy metrical unit of the utility model multiloop electrical energy data acquiring device preferred embodiment is provided with the above single channel metering circuits of 2 groups or 2 groups, and control module can receive simultaneously above-mentionedly respectively to be organized the power consumption data of single channel metering single channel collection and send by communication interface.Can be provided with metering circuit most crucial in the ammeter under the prior art separately on each loop that need measure like this, the part that is in the ammeter periphery in the prior art is then shared by each metering circuit.Like this, just solved prior art when needs carry out metering separate to a plurality of loops, because of each loop needs a bigger installing space and the equipment configuration cost problem of higher of needs that ammeter brings.Owing to the continuous data that sends each single channel metering circuit by communication interface, the equipment that receives these data can adopt the equipment with strong data-handling capacity, and this equipment can be provided with the data that relevant program is handled acquisition according to various needs.Therefore, this multiloop electrical energy data acquiring device is convenient to relevant device continuous data is focused on.
In another preferred embodiment of the present utility model, also comprise the storer that is used to preserve the power consumption data that each single channel metering circuit subitem gathers, control circuit can directly be sent to data acquisition center by power carrier communication interface or wireless communication interface with the metering separate data that are kept in the local storage, solve the interface types such as RS485 of existing electric energy meter configuration can only the short range transmission data and each electric energy meter can only gather and transmit the data in a loop, data acquisition center is for obtaining the data of these terminal metering outfits, the problem that needs the regional additional configuration data collector that metering outfit endways concentrates relatively, but thereby the configured in one piece structure of simplified system, the probability that the minimizing system breaks down is saved system maintenance time and expense.
Description of drawings
Fig. 1 is the structured flowchart of the utility model multiloop electrical energy data acquiring device first embodiment;
Fig. 2 is the structured flowchart of the utility model multiloop electrical energy data acquiring device second embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, show the structured flowchart of the utility model multiloop electrical energy data acquiring device first embodiment, specifically comprise electric energy metrical unit 1, control module 2, storage unit 3 and communication interface 4, wherein:
Electric energy metrical unit 1: comprise the first single channel metering circuit 1-1 and the second single channel metering circuit 1-2, every group of single channel metering circuit wherein is coupled with a separate current loop respectively, and exports the energy consumption data in this separate current loop; Need to prove that this preferred embodiment does not limit the group number of single channel metering single channel, 2 groups of above group numbers can be set as required, group number commonly used has 4 groups, 8 groups, 16 groups etc.;
Control module 2: be used for receiving energy consumption data, and send by communication interface 4 from every group of single channel metering circuit (single channel metering circuit 1-1 and single channel metering circuit 1-2);
Storage unit 3: be used for preserving energy consumption data according to the request of control module 2; In this preferred embodiment, for reducing the size of storage unit, storage unit 3 preferred NOR flash memory or the nand flash memories of adopting;
Communication interface 4: comprise power carrier interface 4-1 and RS485 interface 4-2 particularly, control module 2 can send the energy consumption data that is kept in the storage unit 3 according to the actual disposition of system by power carrier interface 4-1 or RS485 interface 4-2; Need to prove, communication interface 4 can be according to the actual needs of system configuration, adopt as in the lower interface one or more: the power carrier interface by the power circuit Data transmission, the wireless receiving and dispatching interface by the wireless network Data transmission, pass through the RS485 interface of twisted-pair feeder or RS485 private cable Data transmission etc., this preferred embodiment is not limited this.
In addition, in this preferred embodiment, the first single channel metering circuit 1-1 specifically comprises the first current transformation subelement 1-1-1, the first voltage transformation subelement 1-1-2 and the first electric energy computation subunit 1-1-3, the second single channel metering circuit 1-2 specifically comprises the second current transformation subelement 1-2-1, the second voltage transformation subelement 1-2-2 and the second electric energy computation subunit 1-2-3, wherein:
Current transformation subelement 1-1-1 and current transformation subelement 1-2-1 are used for the alternating current in measured loop is changed into the small-signal current of equivalence;
Voltage transformation subelement 1-1-2 and voltage transformation subelement 1-2-2 are used for the alternating voltage in measured loop is changed into the small signal of equivalence;
Electric energy computation subunit 1-1-3 and electric energy computation subunit 1-2-3 are used to receive the small-signal current of above-mentioned current transformation subelement 1-1-1 or current transformation subelement 1-2-1 output, and the small signal of above-mentioned voltage transformation subelement 1-1-2 or voltage transformation subelement 1-2-2 output, and with above-mentioned small-signal current and small signal conversion energy consumption data.
Electric energy computation subunit (electric energy computation subunit 1-1-3 or electric energy computation subunit 1-2-3) specifically can comprise multiplier, electric voltage/frequency converter sum counter, wherein:
The instantaneous value that multiplier is used to finish small signal u and small-signal current i multiplies each other, and exports a dc voltage value U who is directly proportional with average power in a period of time;
Electric voltage/frequency converter is used to receive the dc voltage value U that above-mentioned multiplier generates, and above-mentioned dc voltage value U is converted to pulsed frequency f;
Counter is used for above-mentioned pulsed frequency f is counted, and forms corresponding energy consumption data, finishes the metering to this current return.
With reference to Fig. 2, show the structured flowchart of the utility model multiloop electrical energy data acquiring device second embodiment, except that comprising electric energy metrical unit 1 that aforementioned first embodiment is comprised, control module 2, storage unit 3, communication interface 4, also comprise bus 5 and user interface 6, in addition, in this preferred embodiment:
Electric energy metrical unit 1 includes 4 groups of single channel metering circuits such as the first single channel metering circuit 1-1, the second single channel metering circuit 1-2, the 3rd single channel metering circuit 1-3 and the 4th single channel metering circuit 1-4, can realize the metering separate to 4 current returns;
Each single channel metering circuit in the electric energy metrical unit 1 (1-1～1-4) be connected with control module 2 by bus 5, thereby, can guarantee that the single channel metering single channel that the utility model multiloop electrical energy data acquiring device can insert has enough group numbers, as 4 groups, 8 groups, 16 groups etc.;
Need to prove that said apparatus embodiment belongs to preferred embodiment, related unit and module might not be that the utility model is necessary.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than a kind of multiloop electrical energy data acquiring device provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (9)
1. a multiloop electrical energy data acquiring device is characterized in that, comprises electric energy metrical unit, control module and communication interface, wherein:
Described electric energy metrical unit comprises 2 groups or 2 groups of above single channel metering circuits, and every group of single channel metering circuit is coupled with a separate current loop respectively, and exports the energy consumption data in this separate current loop;
Described control module receives the described energy consumption data from every group of single channel metering circuit, and sends by described communication interface.
2. multiloop electrical energy data acquiring device as claimed in claim 1 is characterized in that: the single channel metering circuit of respectively organizing of described electric energy metrical unit connects by bus and described control module.
3. multiloop electrical energy data acquiring device as claimed in claim 1 is characterized in that, described multiloop electrical energy data acquiring device also comprises the storage unit of preserving described energy consumption data according to the request of described control module.
4. multiloop electrical energy data acquiring device as claimed in claim 3 is characterized in that described storage unit is NOR flash memory or nand flash memory.
5. multiloop electrical energy data acquiring device as claimed in claim 1, it is characterized in that described communication interface is concrete to be adopted as at least a in the lower interface: the power carrier interface by the power circuit Data transmission, the wireless receiving and dispatching interface by the wireless network Data transmission, pass through the RS485 interface of twisted-pair feeder or RS485 private cable Data transmission.
6. multiloop electrical energy data acquiring device as claimed in claim 1 is characterized in that, described multiloop electrical energy data acquiring device also comprises user interface, and described user interface specifically comprises: the LCD that shows the energy consumption data in each separate current loop.
7. multiloop electrical energy data acquiring device as claimed in claim 6 is characterized in that described user interface also comprises: import relevant display parameter for the user, thus the Keysheet module that the display message of described LCD is controlled.
8. multiloop electrical energy data acquiring device as claimed in claim 1 is characterized in that, described single channel metering circuit comprises:
The alternating current in measured loop is changed into the current transformation subelement of the small-signal current of equivalence;
The alternating voltage in measured loop is changed into the voltage transformation subelement of the small signal of equivalence;
Receive the small-signal current of described current transformation subelement output and the small signal of described voltage transformation subelement output, and above-mentioned small-signal current and small signal are changed the electric energy computation subunit of described energy consumption data.
9. multiloop electrical energy data acquiring device as claimed in claim 8 is characterized in that, described electric energy computation subunit specifically comprises:
Finish small signal and the small-signal current instantaneous value multiplies each other, export the multiplier of a dc voltage value that is directly proportional with average power in a period of time;
Receive the dc voltage value that described multiplier generates, and above-mentioned dc voltage value is converted to the electric voltage/frequency converter of pulsed frequency;
Above-mentioned pulsed frequency is counted, formed the counter of corresponding energy consumption data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205440240U CN201886078U (en) | 2010-09-27 | 2010-09-27 | Acquisition device of multi-loop electric energy data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205440240U CN201886078U (en) | 2010-09-27 | 2010-09-27 | Acquisition device of multi-loop electric energy data |
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| CN201886078U true CN201886078U (en) | 2011-06-29 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728492A (en) * | 2012-10-16 | 2014-04-16 | 苏州工业园区新宏博通讯科技有限公司 | Multi-voltage and multi-current loop alternating current ammeter |
| CN103728493A (en) * | 2012-10-12 | 2014-04-16 | 苏州工业园区新宏博通讯科技有限公司 | Multi-path single-phase and three-phase mixed electric energy metering device and method |
| CN103823108A (en) * | 2012-11-19 | 2014-05-28 | 苏州工业园区新宏博通讯科技有限公司 | Multipath AC-DC ammeter |
| CN103852635A (en) * | 2012-12-06 | 2014-06-11 | 苏州工业园区新宏博通讯科技有限公司 | Multi-path electric meter |
| CN104155495A (en) * | 2013-05-13 | 2014-11-19 | 苏州工业园区新宏博通讯科技有限公司 | Commercial power and oil engine power meter |
| CN104155515A (en) * | 2013-05-13 | 2014-11-19 | 苏州工业园区新宏博通讯科技有限公司 | Multipath ammeter |
| CN109001579A (en) * | 2018-08-30 | 2018-12-14 | 广东卓维网络有限公司 | Measurement data acquisition equipment, method and apparatus |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN117628682A (en) * | 2024-01-09 | 2024-03-01 | 安徽中防科技有限公司 | Remote real-time civil air defense ventilation control system |
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2010
- 2010-09-27 CN CN2010205440240U patent/CN201886078U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728493A (en) * | 2012-10-12 | 2014-04-16 | 苏州工业园区新宏博通讯科技有限公司 | Multi-path single-phase and three-phase mixed electric energy metering device and method |
| CN103728493B (en) * | 2012-10-12 | 2016-09-14 | 苏州新宏博智能科技股份有限公司 | Multichannel list three-phase uses electric energy gauging method with |
| CN103728492A (en) * | 2012-10-16 | 2014-04-16 | 苏州工业园区新宏博通讯科技有限公司 | Multi-voltage and multi-current loop alternating current ammeter |
| CN103728492B (en) * | 2012-10-16 | 2016-09-14 | 苏州新宏博智能科技股份有限公司 | Multivoltage many current loops AC ammeter |
| CN103823108A (en) * | 2012-11-19 | 2014-05-28 | 苏州工业园区新宏博通讯科技有限公司 | Multipath AC-DC ammeter |
| CN103852635A (en) * | 2012-12-06 | 2014-06-11 | 苏州工业园区新宏博通讯科技有限公司 | Multi-path electric meter |
| CN104155495A (en) * | 2013-05-13 | 2014-11-19 | 苏州工业园区新宏博通讯科技有限公司 | Commercial power and oil engine power meter |
| CN104155515A (en) * | 2013-05-13 | 2014-11-19 | 苏州工业园区新宏博通讯科技有限公司 | Multipath ammeter |
| CN109001579A (en) * | 2018-08-30 | 2018-12-14 | 广东卓维网络有限公司 | Measurement data acquisition equipment, method and apparatus |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN117628682A (en) * | 2024-01-09 | 2024-03-01 | 安徽中防科技有限公司 | Remote real-time civil air defense ventilation control system |
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Granted publication date: 20110629 Termination date: 20110927 |