CN105510705A - Multifunctional electric power instrument - Google Patents
Multifunctional electric power instrument Download PDFInfo
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- CN105510705A CN105510705A CN201510916260.8A CN201510916260A CN105510705A CN 105510705 A CN105510705 A CN 105510705A CN 201510916260 A CN201510916260 A CN 201510916260A CN 105510705 A CN105510705 A CN 105510705A
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- module
- signal processing
- processing module
- multifunctional electric
- electric meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a multifunctional electric power instrument. The multifunctional electric power instrument comprises a power supply module internally provided with an anti-electromagnetic interference circuit; a signal acquisition module for performing signal acquisition on power equipment to be detected; an analog-to-digital conversion module for performing analog-to-digital conversion on the signals acquired by the signal acquisition module; a switching quantity input module for generating switching quantity signals and inputting the switching quantity signals into a signal processing module; a communication control module for generating communication control signals; the signal processing module for correspondingly performing signal processing on the switching quantity signals and digital signals output by the analog-to-digital conversion module under the control of the communication control signals; a display filter for performing filtering processing on the information obtained after processing of the signal processing module and then transmitting the information to a display module; and the display module which is composed of three rows of tetrad high-light LED nixie tubes and six LED indicating lamps for displaying the information filtered by the display filter. The multifunctional electric power instrument is high in integration, high in interference immunity, high in display sharpness of the display module and is clearer and more visual in displayed images.
Description
Technical field
The present invention relates to instrument design technical field, particularly relate to a kind of multifunctional electric meter.
Background technology
MFPM (MultiFunctionPowerMeter, multifunctional electric meter) is a kind of instrument that can complete three phase electrical, four phase limit electric energy metricals, data display, collection and transmit.Multifunctional electric meter can be widely used in the field such as electric energy measurement of the automation of transformation substations, power distribution automation, intelligent building, enterprises.
But multifunctional electric meter in the market selects irrational problem due to circuit design and electronic component, cause display clear and intuitive not, and integrated level is low, device anti-interference is poor.
Therefore, how to provide a kind of show clear and the multifunctional electric meter of strong interference immunity is those skilled in the art need at present solve problem.
Summary of the invention
The object of this invention is to provide a kind of multifunctional electric meter, improve the integrated level of multifunctional electric meter, strong interference immunity, the signal that signal processing module exports shows by being sent to display module after display filter filtering, improve the display resolution of display module, and rationally distributed in display module, the image of display is clearly directly perceived.
For solving the problems of the technologies described above, the invention provides a kind of multifunctional electric meter, comprising:
Power module, its inside is provided with anti-electromagnetic interference circuit, for powering for described multifunctional electric meter;
Signal acquisition module, for carrying out signals collecting to power equipment to be measured;
Analog-to-digital conversion module, carries out analog-to-digital conversion process for the signal gathered described signal acquisition module, obtains digital signal;
Switching input module, for generating on-off model and input signal processing module;
Communication control module, for generation of Communication Control signal;
Signal processing module, under the control of described Communication Control signal, carries out signal transacting to the digital signal that described on-off model and described analog-to-digital conversion module export accordingly; Wherein, described signal processing module is connected with described analog-to-digital conversion module, described switching input module and described communication control module respectively;
Being connected to the display wave filter between described signal processing module and display module, for carrying out filtering process to the information obtained after described signal processing module process, then being delivered to described display module;
The display module be made up of three row's highlighted LED charactrons of tetrad and six LED light, for showing the information after described display filter filtering.
Preferably, described display wave filter is low-pass filter.
Preferably, also comprise:
The switching value output module be connected with described signal processing module, for exporting corresponding switching value according to the information obtained after described signal processing module process.
Preferably, also comprise:
The analog output module be connected with described signal processing module, for exporting corresponding analog quantity according to the information obtained after described signal processing module process.
Preferably, the number of described analog output module is 4.
Preferably, also comprise:
The electrical energy pulse module be connected with described signal processing module, for exporting corresponding electrical energy impulse signals according to the information obtained after described signal processing module process.
Preferably, also comprise in described signal processing module:
Amplifying unit, the digital signal for exporting described analog-to-digital conversion module carries out amplification process.
Preferably, also comprise in described signal processing module:
Filter unit, carries out filtering process for the digital signal after amplifying described amplifying unit.
Preferably, described filter unit is low-pass filter.
Preferably, the single-chip microcomputer of described signal processing module to be model be M0517.
The invention provides a kind of multifunctional electric meter, the on-off model of the digital signal that signal processing module Received signal strength acquisition module obtains after analog-to-digital conversion module conversion and switching input module input, and process according to the Communication Control signal of communication control module input, namely the signal received can focus on by signal processing module, improve the integrated level of multifunctional electric meter, and, anti-electromagnetic interference circuit is provided with in the power module of multifunctional electric meter provided by the invention, strong interference immunity, simultaneously, the signal that signal processing module exports shows by being sent to display module after display filter filtering, improve the display resolution of display module, and this display module is made up of three row's highlighted LED charactrons of tetrad and six LED light, rationally distributed, the image of display is clearly directly perceived.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in prior art and embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of multifunctional electric meter provided by the invention;
Fig. 2 is the structural representation of another kind of multifunctional electric meter provided by the invention.
Embodiment
Core of the present invention is to provide a kind of multifunctional electric meter, improve the integrated level of multifunctional electric meter, strong interference immunity, the signal that signal processing module exports shows by being sent to display module after display filter filtering, improve the display resolution of display module, and rationally distributed in display module, the image of display is clearly directly perceived.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
The invention provides a kind of multifunctional electric meter, shown in Figure 1, Fig. 1 is the structural representation of a kind of multifunctional electric meter provided by the invention;
This multifunctional electric meter comprises:
Power module 11, its inside is provided with anti-electromagnetic interference circuit, for powering for multifunctional electric meter;
Signal acquisition module 12, for carrying out signals collecting to power equipment to be measured;
Analog-to-digital conversion module 13, carries out analog-to-digital conversion process for the signal gathered signal acquisition module 12, obtains digital signal;
Switching input module 14, for generating on-off model and input signal processing module 16;
Communication control module 15, for generation of Communication Control signal;
Signal processing module 16, under the control of Communication Control signal, the digital signal that corresponding switch amount signal and analog-to-digital conversion module 13 export carries out signal transacting; Wherein, signal processing module 16 is connected with analog-to-digital conversion module 13, switching input module 14 and communication control module 15 respectively;
Being connected to the display wave filter 17 between signal processing module 16 and display module 18, for carrying out filtering process to the information obtained after signal processing module 16 process, then being delivered to display module 18;
The display module 18 be made up of three row's highlighted LED charactrons of tetrad and six LED light, for showing the filtered information of display wave filter 17.
The invention provides a kind of multifunctional electric meter, the on-off model of the digital signal that signal processing module Received signal strength acquisition module obtains after analog-to-digital conversion module conversion and switching input module input, and process according to the Communication Control signal of communication control module input, namely the signal received can focus on by signal processing module, improve the integrated level of multifunctional electric meter, and, anti-electromagnetic interference circuit is provided with in the power module of multifunctional electric meter provided by the invention, strong interference immunity, simultaneously, the signal that signal processing module exports shows by being sent to display module after display filter filtering, improve the display resolution of display module, and this display module is made up of three row's highlighted LED charactrons of tetrad and six LED light, rationally distributed, the image of display is clearly directly perceived.
Embodiment two
On basis based on embodiment one, present invention also offers another kind of multifunctional electric meter, shown in Figure 2, Fig. 2 is the structural representation of another kind of multifunctional electric meter provided by the invention;
As preferably, display wave filter 17 is low-pass filter.
Corresponding to switching input module 14, this multifunctional electric meter also comprises:
The switching value output module 19 be connected with signal processing module 16, for exporting corresponding switching value according to the information obtained after signal processing module 16 process.
Known further, switching input module 14 is here no more than all at most 4 with the number of switching value output module 19.Certainly, switch amount load module 14 of the present invention does not limit with the concrete number of switching value output module 19, and staff can according to actual conditions sets itself.
As preferably, this multifunctional electric meter also comprises:
The analog output module 20 be connected with signal processing module 16, for exporting corresponding analog quantity according to the information obtained after signal processing module 16 process.
The electrical energy pulse module 21 be connected with signal processing module 16, for exporting corresponding electrical energy impulse signals according to the information obtained after signal processing module 16 process.
Wherein, the number of analog output module 20 is here no more than at most 4, such as, can be 4.Certainly, the number of the present invention to the concrete analog output module 20 arranged does not limit.
As preferably, signal processing module 16 here also comprises:
Amplifying unit, the digital signal for exporting analog-to-digital conversion module 13 carries out amplification process.
Filter unit, carries out filtering process for the digital signal after amplifying amplifying unit.
Be understandable that, amplifying unit here can strengthen the intensity of the digital signal in input signal processing module 16.Here filter unit can filtering amplify after the noise of digital signal, the signal intensity making to export display module 18 to is large and clutter is few, and therefore the image that shows of display module 18 is more clear.
Wherein, filter unit is here low-pass filter.
In addition, signal processing module 16 here can be the single-chip microcomputer of M0517 for model.
Compared with the multifunctional electric meter provided with embodiment one, the present embodiment also comprises the switching value output module, analog output module and the electrical energy pulse module that are connected with signal processing module, and integrated level is higher, and function more comprehensively; And the signal processing module of the present embodiment also comprises amplifying unit and filter unit, can amplifier digital signal clutter in filtered signal further, the signal intensity making signal processing module export display module to is more greatly and more clear.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a multifunctional electric meter, is characterized in that, comprising:
Power module, its inside is provided with anti-electromagnetic interference circuit, for powering for described multifunctional electric meter;
Signal acquisition module, for carrying out signals collecting to power equipment to be measured;
Analog-to-digital conversion module, carries out analog-to-digital conversion process for the signal gathered described signal acquisition module, obtains digital signal;
Switching input module, for generating on-off model and input signal processing module;
Communication control module, for generation of Communication Control signal;
Signal processing module, under the control of described Communication Control signal, carries out signal transacting to the digital signal that described on-off model and described analog-to-digital conversion module export accordingly; Wherein, described signal processing module is connected with described analog-to-digital conversion module, described switching input module and described communication control module respectively;
Being connected to the display wave filter between described signal processing module and display module, for carrying out filtering process to the information obtained after described signal processing module process, then being delivered to described display module;
The display module be made up of three row's highlighted LED charactrons of tetrad and six LED light, for showing the information after described display filter filtering.
2. multifunctional electric meter according to claim 1, is characterized in that, described display wave filter is low-pass filter.
3. multifunctional electric meter according to claim 1, is characterized in that, also comprises:
The switching value output module be connected with described signal processing module, for exporting corresponding switching value according to the information obtained after described signal processing module process.
4. multifunctional electric meter according to claim 1, is characterized in that, also comprises:
The analog output module be connected with described signal processing module, for exporting corresponding analog quantity according to the information obtained after described signal processing module process.
5. multifunctional electric meter according to claim 4, is characterized in that, the number of described analog output module is 4.
6. multifunctional electric meter according to claim 1, is characterized in that, also comprises:
The electrical energy pulse module be connected with described signal processing module, for exporting corresponding electrical energy impulse signals according to the information obtained after described signal processing module process.
7. multifunctional electric meter according to claim 1, is characterized in that, also comprises in described signal processing module:
Amplifying unit, the digital signal for exporting described analog-to-digital conversion module carries out amplification process.
8. multifunctional electric meter according to claim 7, is characterized in that, also comprises in described signal processing module:
Filter unit, carries out filtering process for the digital signal after amplifying described amplifying unit.
9. multifunctional electric meter according to claim 8, is characterized in that, described filter unit is low-pass filter.
10. the multifunctional electric meter according to claim 1-9, is characterized in that, the single-chip microcomputer of described signal processing module to be model be M0517.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916260.8A CN105510705A (en) | 2015-12-10 | 2015-12-10 | Multifunctional electric power instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916260.8A CN105510705A (en) | 2015-12-10 | 2015-12-10 | Multifunctional electric power instrument |
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| CN105510705A true CN105510705A (en) | 2016-04-20 |
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| CN201510916260.8A Pending CN105510705A (en) | 2015-12-10 | 2015-12-10 | Multifunctional electric power instrument |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993017345A1 (en) * | 1992-02-21 | 1993-09-02 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
| CN201434890Y (en) * | 2009-06-18 | 2010-03-31 | 浙江瑞银电子有限公司 | Multifunctional electric meter |
| CN201477136U (en) * | 2009-03-20 | 2010-05-19 | 无锡爱森思电气科技有限公司 | Color LCD multifunctional power instrument |
| CN102237809A (en) * | 2011-07-08 | 2011-11-09 | 江苏林洋电子股份有限公司 | Switching power circuit for three-phase intelligent electric energy meter |
| CN202260643U (en) * | 2011-10-20 | 2012-05-30 | 无锡金桥自动化技术有限公司 | Multifunctional electric power instrument |
| CN103149431A (en) * | 2013-03-19 | 2013-06-12 | 青岛乾程电子科技有限公司 | Multifunction watt-hour meter |
| CN103383410A (en) * | 2013-07-02 | 2013-11-06 | 重庆跃腾电器有限公司 | Multifunctional power meter |
| CN204116475U (en) * | 2014-07-23 | 2015-01-21 | 江苏斯菲尔电气股份有限公司 | A kind of multiloop multifunctional electric meter |
-
2015
- 2015-12-10 CN CN201510916260.8A patent/CN105510705A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993017345A1 (en) * | 1992-02-21 | 1993-09-02 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
| CN201477136U (en) * | 2009-03-20 | 2010-05-19 | 无锡爱森思电气科技有限公司 | Color LCD multifunctional power instrument |
| CN201434890Y (en) * | 2009-06-18 | 2010-03-31 | 浙江瑞银电子有限公司 | Multifunctional electric meter |
| CN102237809A (en) * | 2011-07-08 | 2011-11-09 | 江苏林洋电子股份有限公司 | Switching power circuit for three-phase intelligent electric energy meter |
| CN202260643U (en) * | 2011-10-20 | 2012-05-30 | 无锡金桥自动化技术有限公司 | Multifunctional electric power instrument |
| CN103149431A (en) * | 2013-03-19 | 2013-06-12 | 青岛乾程电子科技有限公司 | Multifunction watt-hour meter |
| CN103383410A (en) * | 2013-07-02 | 2013-11-06 | 重庆跃腾电器有限公司 | Multifunctional power meter |
| CN204116475U (en) * | 2014-07-23 | 2015-01-21 | 江苏斯菲尔电气股份有限公司 | A kind of multiloop multifunctional electric meter |
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Application publication date: 20160420 |
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