CN102495279A - Metering device for multipath alternating current electric quantities - Google Patents
Metering device for multipath alternating current electric quantities Download PDFInfo
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- CN102495279A CN102495279A CN2011104392840A CN201110439284A CN102495279A CN 102495279 A CN102495279 A CN 102495279A CN 2011104392840 A CN2011104392840 A CN 2011104392840A CN 201110439284 A CN201110439284 A CN 201110439284A CN 102495279 A CN102495279 A CN 102495279A
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Abstract
The invention discloses a metering device for multipath alternating current electric quantities. The metering device comprises an MCU module, a power supply module, and a three-phase metering module that can be extensibly arranged, wherein the MCU module, the power supply module, and the three-phase metering module are integratedly arranged and are successively electrically connected. The three-phase metering module is used for collecting electric quantity information of a plurality of three-phase alternating current subcircuits, wherein the electric quantity information at least includes currents, voltages, and power factors. And the MCU module is used for carrying out calculation processing based on the electric quantity information collected by the three-phase metering module so as to obtain index information at least including an instant power, accumulated electric energy and a reactive power. According to the metering device provided in the invention, defects that installation is difficult, cost is low, the occupied volume is small and the metering device can not used conveniently and the like are overcome; therefore, advantages of simple structure, low cost, high integrated level, multiple functions and convenient usage can be realized.
Description
Technical field
The present invention relates to the electric quantity metering technical field, particularly, relate to a kind of multiple AC amount WT-MSR.
Background technology
At present, the intelligent electric meter that uses in the electrical network has possessed monitoring, computing and the Presentation Function of the multiple signal of alternating current, and some remote transmission functions is provided.
In a large amount of industrial circles and domestic environments, existence need be distinguished the needs of accurate measurement to multiplex three-phase alternating current and single-phase alternating current, but existing ammeter all can only carry out the single channel metering and show, if measure multichannel, just needs to hang a plurality of ammeters.
In realizing process of the present invention, the inventor finds to exist at least in the prior art that installation difficulty is big, cost is high, take volume big with use defective such as inconvenience.
Summary of the invention
The objective of the invention is to,, propose a kind of multiple AC amount WT-MSR to the problems referred to above, simple with implementation structure, cost is low, integrated level is high, function is many and advantage easy to use.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: a kind of multiple AC amount WT-MSR; Comprise the three phase metering module that MCU module, power module and expandable type are provided with, said MCU module, the three phase metering module is with the integrated setting of power module and be electrically connected successively;
Said three phase metering module is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of three-phase alternating current branch roads; Said MCU module is used for gathering the gained information about power based on the three phase metering module, carries out computing, is comprised the indication information of real-time power, accumulation electric energy and reactive power at least.
Further, above-described multiple AC amount WT-MSR also comprises the single-phase metering module that expandable type is provided with, and said MCU module, single-phase metering module is with the integrated setting of power module and be electrically connected successively;
Said single-phase metering module is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of single-phase AC branch roads; Said MCU module is used for gathering the gained information about power based on single-phase metering module, carries out computing, is comprised the indication information of real-time power, accumulation electric energy and reactive power at least.
Further, above-described multiple AC amount WT-MSR also comprises communication module, and said communication module is connected with integrated setting of MCU module and signal; Said communication module, the information interaction that is used between MCU module and the miscellaneous equipment provides data transmission channel.
Further, said communication module comprises parallel this machine communication facilities, local radio communication equipment and the local infrared communication equipment that is provided with.
Further, above-described multiple AC amount WT-MSR also comprises human-computer interaction module, and said human-computer interaction module directly is electrically connected with the MCU module or is connected with the MCU module by signal through communication module;
Said human-computer interaction module; Be used to show that heterogeneous metering module and/or single-phase metering module are gathered the gained information about power and/or the MCU module is calculated the gained indication information, and the relevant parameter of setting MCU module and/or three phase metering module and/or single-phase metering module and/or power module and/or communication module.
Further, said human-computer interaction module comprises display device and operation push-button; Said display device and operation push-button directly are connected with the MCU module by signal with the electrical connection of MCU module or through communication module.
Further; Said MCU module comprises single-chip microcomputer, a plurality of I/O interface at least, is used for the chip external memory of heterogeneous metering module of real-time storage and/or single-phase metering module collection gained information about power and is used for the clock circuit to heterogeneous metering module and/or single-phase metering module collection gained information about power interpolation time tag; Said a plurality of I/O interface, chip external memory and clock circuit are electrically connected with single-chip microcomputer respectively.
Further, said MCU module at least also comprises resetting and the power supply electric-leakage detection circuit, said reset and the power supply electric-leakage detection circuit is electrically connected with single-chip microcomputer; Said resetting and the power supply electric-leakage detection circuit is used to reset, power supply detection of electrical leakage and when supply voltage is lower than setting value, carry out power down output.
Further, said MCU module at least also comprises regularly reporting submodule, said timing to report submodule to be electrically connected with single-chip microcomputer; Said timing reports submodule, and the timing that is used for heterogeneous metering module and/or single-phase metering module are gathered the data that gained information about power and/or chip external memory store reports to the upper management system.
The multiple AC amount WT-MSR of various embodiments of the present invention, owing to comprise the three phase metering module of MCU module, power module and expandable type setting, the MCU module, the three phase metering module is with the integrated setting of power module and be electrically connected successively; The three phase metering module is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of three-phase alternating current branch roads; The MCU module is used for gathering the gained information about power based on the three phase metering module, carries out computing, is comprised the indication information of real-time power, accumulation electric energy and reactive power at least; Device volume in the time of can dwindling the multiple AC metering greatly reduces installation workload and difficulty, reduces cost greatly, and when the metering way increased, cost advantage increased sharply; Thereby can overcome that installation difficulty is big in the prior art, cost is high, take volume big with use inconvenient defective, simple with implementation structure, cost is low, integrated level is high, function is many and advantage easy to use.
Other features and advantages of the present invention will be set forth in instructions subsequently, and, partly from instructions, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the instructions of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the principle of work synoptic diagram of the multiple AC amount WT-MSR according to the present invention;
Fig. 2 a-Fig. 2 f is the electrical principle synoptic diagram of MCU module in the multiple AC amount WT-MSR according to the present invention;
Fig. 3 is the electrical principle synoptic diagram of power module in the multiple AC amount WT-MSR according to the present invention;
Fig. 4 a-Fig. 4 e, Fig. 5 a-Fig. 5 d and Fig. 6 a-Fig. 6 d are the electrical principle synoptic diagram of single-phase metering module in the multiple AC amount WT-MSR according to the present invention;
Fig. 7 a-Fig. 7 e, Fig. 8 a-Fig. 8 e, Fig. 9 a-Fig. 9 e, Figure 10 a-Figure 10 e, Figure 11 a-Figure 11 e, Figure 12 a-Figure 12 e and Figure 13 a-Figure 13 f are the electrical principle synoptic diagram of heterogeneous metering module in the multiple AC amount WT-MSR according to the present invention;
Figure 14 a and Figure 14 b are the electrical principle synoptic diagram of communication module in the multiple AC amount WT-MSR according to the present invention.
In conjunction with accompanying drawing, Reference numeral is following in the embodiment of the invention:
The 1-MCU module; 2-three phase metering module; The single-phase metering module of 3-; The 4-power module; The 5-communication module.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, a kind of multiple AC amount WT-MSR is provided.Shown in Fig. 1-Figure 14 b; Present embodiment comprises the three phase metering module 2 of MCU module 1, power module 4, expandable type setting, single-phase metering module 3, communication module 5 and the human-computer interaction module that expandable type is provided with, MCU module 1, three phase metering module 2, single-phase metering module 3, power module 4, communication module 5 and the integrated setting of human-computer interaction module.
Wherein, single-phase metering module 3 and three phase metering module 2 are connected electrically between MCU module 1 and the power module 4; Human-computer interaction module directly is electrically connected with MCU module 1, perhaps is connected with the MCU signal through communication module 5.
In the above-described embodiments, three phase metering module 2 is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of three-phase alternating current branch roads; Single-phase metering module 3 is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of single-phase AC branch roads; MCU module 1 is used for gathering the gained information about power based on single-phase metering module 3 and/or three phase metering module 2, carries out computing, is comprised the indication information of real-time power, accumulation electric energy and reactive power at least; Human-computer interaction module; Be used to show that heterogeneous metering module and/or single-phase metering module 3 are gathered the gained information about power and/or MCU module 1 is calculated the gained indication information, and the relevant parameter of setting MCU module 1 and/or three phase metering module 2 and/or single-phase metering module 3 and/or power module 4 and/or communication module 5; Communication module 5, the information interaction that is used between MCU module 1 and the miscellaneous equipment (like human-computer interaction module) provides data transmission channel.
In the above-described embodiments, MCU module 1, comprise single-chip microcomputer, a plurality of I/O interface, chip external memory, clock circuit at least, reset and the power supply electric-leakage detection circuit with regularly report submodule; Single-chip microcomputer, a plurality of I/O interface, chip external memory, clock circuit, reset and the power supply electric-leakage detection circuit with regularly report submodule, be electrically connected with single-chip microcomputer respectively.Particularly, chip external memory is used for the heterogeneous metering module of real-time storage and/or single-phase metering module 3 is gathered the gained information about power; Clock circuit is used for gathering gained information about power interpolation time tag to heterogeneous metering module and/or single-phase metering module 3; Reset and the power supply electric-leakage detection circuit, be used to reset, power supply detection of electrical leakage and when supply voltage is lower than setting value, carry out power down output, for example, when supply voltage is lower than 3V, send alarm signal; Regularly report submodule, the timing that is used for heterogeneous metering module and/or single-phase metering module are gathered the data that gained information about power and/or chip external memory store reports to the upper management system.
In the above-described embodiments, communication module 5 comprises parallel this machine communication facilities, local radio communication equipment and the local infrared communication equipment that is provided with.Human-computer interaction module comprises display device and operation push-button; Display device and operation push-button directly are connected with MCU module 1 signal with 1 electrical connection of MCU module or through communication module 5.
During practical implementation, the concrete electrical principle of MCU module 1 can be referring to Fig. 2 a-Fig. 2 f; The concrete electrical principle of power module 4 can be referring to Fig. 3; The concrete electrical principle of single-phase metering module 3 can be referring to Fig. 4 a-Fig. 6 d; The concrete electrical principle of three phase metering module 2 can be referring to Fig. 7 a-Figure 13 f; The concrete electrical principle of communication module 5 can be referring to Figure 14 a-Figure 14 b.In MCU module 1, the model of single-chip microcomputer can be UPD78F1166AGC-UEU-AX, and it is the clock chip of RX-8025T that clock circuit can adopt model.In three phase metering module 2, the model of three phase metering chip can be RN8302.In single-phase metering module 3, the model of single-phase computation chip can be RN8209.
In the above-described embodiments; Can be in multiple AC amount WT-MSR integrated a plurality of three-phase AC electric quantity acquisition modules (like three phase metering module 2) and a plurality of single-phase AC electric weight acquisition module (like single-phase metering module 3) of being provided with; Minimalist configuration is 1 road three-phase AC electric quantity acquisition module and 1 tunnel single-phase AC electric weight acquisition module, can extend to 8 tunnel 3 phase three-phase AC electric quantity acquisition modules and 8 tunnel single-phase AC electric weight acquisition modules as required; Can gather electric current, voltage and the power factor of a plurality of three-phase alternating current branch roads and single-phase alternating current branch road, and calculate key indexs such as real-time power, accumulative total electric energy and reactive power.
The multiple AC amount WT-MSR of the foregoing description is a core with a powerful single-chip microcomputer, and enough I/O interfaces are provided; Chip external memory is provided, as required store historical data; Clock chip is provided, adds time tag can for all data that collect; Provide 1 road RS232 serial ports to be used for the configuration of this machine, 1 road RS485 serial ports is used for local wire communication, and 1 road infrared interface is used for local radio communication; As required liquid crystal display and button can be provided, be convenient to each road electric quantity data of local Direct observation.
The multiple AC amount WT-MSR of the foregoing description carries out the integrated setting of multichannel through the core component to ammeter, can be implemented in when needing multichannel three-phase, single-phase alternating current accurate measurement, can easyly install and practice thrift cost; Can replace the traditional approach that adopts a plurality of single ammeters to add up at present, the device volume when dwindling the multiple AC metering greatly reduces installation workload and difficulty, reduces cost greatly, and when the metering way increased, cost advantage increased sharply.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a multiple AC amount WT-MSR is characterized in that, comprises the three phase metering module that MCU module, power module and expandable type are provided with, and said MCU module, the three phase metering module is with the integrated setting of power module and be electrically connected successively;
Said three phase metering module is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of three-phase alternating current branch roads; Said MCU module is used for gathering the gained information about power based on the three phase metering module, carries out computing, is comprised the indication information of real-time power, accumulation electric energy and reactive power at least.
2. multiple AC amount WT-MSR according to claim 1 is characterized in that, also comprises the single-phase metering module that expandable type is provided with, and said MCU module, single-phase metering module is with the integrated setting of power module and be electrically connected successively;
Said single-phase metering module is used to gather the information about power that comprises electric current, voltage and power factor at least of a plurality of single-phase AC branch roads; Said MCU module is used for gathering the gained information about power based on single-phase metering module, carries out computing, is comprised the indication information of real-time power, accumulation electric energy and reactive power at least.
3. multiple AC amount WT-MSR according to claim 1 and 2 is characterized in that, also comprises communication module, and said communication module is connected with integrated setting of MCU module and signal; Said communication module, the information interaction that is used between MCU module and the miscellaneous equipment provides data transmission channel.
4. multiple AC amount WT-MSR according to claim 3 is characterized in that, said communication module comprises parallel this machine communication facilities, local radio communication equipment and the local infrared communication equipment that is provided with.
5. multiple AC amount WT-MSR according to claim 3 is characterized in that, also comprises human-computer interaction module, and said human-computer interaction module directly is electrically connected with the MCU module or is connected with the MCU module by signal through communication module;
Said human-computer interaction module; Be used to show that heterogeneous metering module and/or single-phase metering module are gathered the gained information about power and/or the MCU module is calculated the gained indication information, and the relevant parameter of setting MCU module and/or three phase metering module and/or single-phase metering module and/or power module and/or communication module.
6. multiple AC amount WT-MSR according to claim 5 is characterized in that said human-computer interaction module comprises display device and operation push-button; Said display device and operation push-button directly are connected with the MCU module by signal with the electrical connection of MCU module or through communication module.
7. multiple AC amount WT-MSR according to claim 6; It is characterized in that; Said MCU module comprises single-chip microcomputer, a plurality of I/O interface at least, is used for the chip external memory of heterogeneous metering module of real-time storage and/or single-phase metering module collection gained information about power and is used for the clock circuit to heterogeneous metering module and/or single-phase metering module collection gained information about power interpolation time tag; Said a plurality of I/O interface, chip external memory and clock circuit are electrically connected with single-chip microcomputer respectively.
8. multiple AC amount WT-MSR according to claim 7 is characterized in that, said MCU module at least also comprises resetting and the power supply electric-leakage detection circuit, said reset and the power supply electric-leakage detection circuit is electrically connected with single-chip microcomputer; Said resetting and the power supply electric-leakage detection circuit is used to reset, power supply detection of electrical leakage and when supply voltage is lower than setting value, carry out power down output.
9. multiple AC amount WT-MSR according to claim 7 is characterized in that, said MCU module at least also comprises regularly reporting submodule, said timing to report submodule to be electrically connected with single-chip microcomputer; Said timing reports submodule, and the timing that is used for heterogeneous metering module and/or single-phase metering module are gathered the data that gained information about power and/or chip external memory store reports to the upper management system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104392840A CN102495279A (en) | 2011-12-23 | 2011-12-23 | Metering device for multipath alternating current electric quantities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104392840A CN102495279A (en) | 2011-12-23 | 2011-12-23 | Metering device for multipath alternating current electric quantities |
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| CN102495279A true CN102495279A (en) | 2012-06-13 |
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| CN2011104392840A Pending CN102495279A (en) | 2011-12-23 | 2011-12-23 | Metering device for multipath alternating current electric quantities |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110231513A (en) * | 2019-07-10 | 2019-09-13 | 深圳市中远通电源技术开发有限公司 | A kind of method and device of multiple way electric acquisition and processing |
| CN110308324A (en) * | 2019-07-10 | 2019-10-08 | 深圳市中远通电源技术开发有限公司 | A kind of method and device of threephase AC electric energy acquisition |
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| CN202383198U (en) * | 2011-12-23 | 2012-08-15 | 无锡博欧电子科技有限公司 | Multi-channel alternating current electric quantity metering device |
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| CN110308324A (en) * | 2019-07-10 | 2019-10-08 | 深圳市中远通电源技术开发有限公司 | A kind of method and device of threephase AC electric energy acquisition |
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Application publication date: 20120613 |