CN105527491A - Multifunctional power instrument - Google Patents

Multifunctional power instrument Download PDF

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Publication number
CN105527491A
CN105527491A CN201510915949.9A CN201510915949A CN105527491A CN 105527491 A CN105527491 A CN 105527491A CN 201510915949 A CN201510915949 A CN 201510915949A CN 105527491 A CN105527491 A CN 105527491A
Authority
CN
China
Prior art keywords
signal
module
described
signal processing
processing module
Prior art date
Application number
CN201510915949.9A
Other languages
Chinese (zh)
Inventor
程超
Original Assignee
重庆鸿引电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆鸿引电子有限公司 filed Critical 重庆鸿引电子有限公司
Priority to CN201510915949.9A priority Critical patent/CN105527491A/en
Publication of CN105527491A publication Critical patent/CN105527491A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00 and G01R33/00 - G01R35/00
    • G01R15/12Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. by electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. by electricity meters by electronic methods
    • G01R22/10Arrangements for measuring time integral of electric power or current, e.g. by electricity meters by electronic methods using digital techniques

Abstract

The present application discloses a multifunctional power instrument which comprises a signal collection module which carries out signal collection on power equipment to be measured, an analog to digital conversion module which carries out analog to digital conversion on the signal collected by the signal collection module, a switch value input module used for generating a switch value, a communication circuit which generates a communication control signal, a signal processing module which is connected to the analog to digital conversion module, the switch value input module and the communication circuit and correspondingly carries out signal processing on the digital signal outputted by the analog to digital conversion module and the switch value outputted by the switch value input module under the control of the communication control signal generated by the communication circuit, and a segment LCD screen which displays the information obtained after the completion of the signal processing by signal processing module. According to the multifunctional power meter, integration degree of an instrument is improved, thus the wire arrangement between circuits is reduced, and the interference immunity of the instrument is improved. In addition, the information is displayed through the segment LCD screen, and thus the information effect of the multifunctional power instrument is improved.

Description

A kind of multifunctional electric meter

Technical field

The present invention relates to instrument development technique field, particularly a kind of multifunctional electric meter.

Background technology

MFPM (MFPM, i.e. MultiFunctionPowerMeter, multifunctional electric meter) be a kind of instrument can measured three-phase electricity, as measured three-phase voltage, three parameters such as electric current, diligent power, reactive power, applied power, power factor and frequency, the fields such as the automation of transformation substations, power distribution automation, intelligent building, enterprises electric energy measurement can be widely used in.But the integrated level of multifunctional electric meter inside is in the market lower, the various complexity of wiring, also makes the interference free performance of multifunctional electric meter poor thus, and there is the shortcomings such as information display effect is poor.

Can find out in sum how to improve the integrated level of multifunctional electric meter, to improve the anti-interference of instrument, and the information display effect improving instrument has problem to be solved at present.

Summary of the invention

In view of this, the object of the present invention is to provide a kind of multifunctional electric meter, improve the integrated level of multifunctional electric meter, thus improve the anti-interference of multifunctional electric meter, and improve the information display effect of multifunction power instrument.Its concrete scheme is as follows:

A kind of multifunctional electric meter, comprising:

Power equipment to be measured is carried out to the signal acquisition module of signals collecting;

Analog-to-digital analog-to-digital conversion module is carried out to the signal that described signal acquisition module collects;

For generating the switching input module of switching value;

Produce the communicating circuit of Communication Control signal;

Be connected with described analog-to-digital conversion module, described switching input module and described communicating circuit respectively, and under the control of the Communication Control signal produced at described communicating circuit, the switching value that the digital signal correspondingly exported described analog-to-digital conversion module and described switching input module generate carries out the signal processing module of signal transacting;

To the segment encode liquid crystal display that the information obtained after the process of described signal processing module settling signal shows.

Preferably, described multifunctional electric meter, also comprises:

Be connected with described signal processing module, and according to the information obtained after the process of described signal processing module settling signal, export the analog output module of respective mode analog quantity.

Preferably, described multifunctional electric meter, also comprises:

Be connected with described signal processing module, and according to the information obtained after the process of described signal processing module settling signal, export the electrical energy pulse module of corresponding electrical energy pulse.

Preferably, described signal processing module also comprises:

Carry out amplifying the digital signal amplifying unit processed to the digital signal that described analog-to-digital conversion module exports.

Preferably, described signal processing module also comprises:

The signal of described digital signal amplifying unit output is carried out to the signal filtering unit of filtering process.

Preferably, described signal filtering unit is low-pass filter.

Preferably, the single-chip microcomputer of described signal processing module to be model be M0517.

Preferably, described multifunctional electric meter, also comprises:

Be connected with described signal processing module, and according to the information obtained after the process of described signal processing module settling signal, export the switching value output module of respective switch amount.

Preferably, the quantity of described multifunctional electric meter breaker in middle amount load module and switching value output module is 4.

In the present invention, multifunctional electric meter comprises: the signal acquisition module of power equipment to be measured being carried out to signals collecting; Analog-to-digital analog-to-digital conversion module is carried out to the signal that signal acquisition module collects; For generating the switching input module of switching value; Produce the communicating circuit of Communication Control signal; Be connected with analog-to-digital conversion module, switching input module and communicating circuit respectively, and under the control of the Communication Control signal of communicating circuit generation, the switching value correspondingly generated digital signal and the switching input module of analog-to-digital conversion module output carries out the signal processing module of signal transacting; To the segment encode liquid crystal display that the information obtained after the process of signal processing module settling signal shows.In the present invention, signal acquisition module, the signal exported in switching input module and communicating circuit all converges to signal processing module, then under the control of Communication Control signal, control signal processing module carries out corresponding signal transacting to other signals received, signal processing module in visible the present invention is equivalent to a central processing unit, focusing on all signals received can be completed by this signal processing module, thus improve the integrated level of multifunctional electric meter, and the wiring thereby reduced between circuit, improve the anti-interference of instrument, in addition, the present invention is shown information by segment encode liquid crystal display, thus improves the information display effect of multifunctional electric meter.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the 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 the accompanying drawing provided.

Fig. 1 is a kind of multifunctional electric meter structural representation disclosed in the embodiment of the present invention;

Fig. 2 is a kind of concrete multifunctional electric meter structural representation disclosed in the embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only 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.

The embodiment of the invention discloses a kind of multifunctional electric meter, shown in Figure 1, this multifunctional electric meter comprises:

Power equipment to be measured is carried out to the signal acquisition module 11 of signals collecting;

Analog-to-digital analog-to-digital conversion module 12 is carried out to the signal that signal acquisition module 11 collects;

For generating the switching input module 13 of switching value;

Produce the communicating circuit 14 of Communication Control signal;

Be connected with analog-to-digital conversion module 12, switching input module 13 and communicating circuit 14 respectively, and under the control of the Communication Control signal of communicating circuit 14 generation, the switching value correspondingly generated digital signal and the switching input module 13 of analog-to-digital conversion module 12 output carries out the signal processing module 15 of signal transacting;

To the segment encode liquid crystal display 16 that the information obtained after the process of signal processing module 15 settling signal shows.

In the embodiment of the present invention, multifunctional electric meter comprises: the signal acquisition module of power equipment to be measured being carried out to signals collecting; Analog-to-digital analog-to-digital conversion module is carried out to the signal that signal acquisition module collects; For generating the switching input module of switching value; Produce the communicating circuit of Communication Control signal; Be connected with analog-to-digital conversion module, switching input module and communicating circuit respectively, and under the control of the Communication Control signal of communicating circuit generation, the switching value correspondingly generated digital signal and the switching input module of analog-to-digital conversion module output carries out the signal processing module of signal transacting; To the segment encode liquid crystal display that the information obtained after the process of signal processing module settling signal shows.

In the embodiment of the present invention, signal acquisition module, the signal exported in switching input module and communicating circuit all converges to signal processing module, then under the control of Communication Control signal, control signal processing module carries out corresponding signal transacting to other signals received, signal processing module in the visible embodiment of the present invention is equivalent to a central processing unit, focusing on all signals received can be completed by this signal processing module, thus improve the integrated level of multifunctional electric meter, and the wiring thereby reduced between circuit, improve the anti-interference of instrument, in addition, the embodiment of the present invention is shown information by segment encode liquid crystal display, thus improve the information display effect of multifunctional electric meter.

The embodiment of the invention discloses a kind of concrete multifunctional electric meter, relative to a upper embodiment, the present embodiment has done further instruction and optimization to technical scheme.Concrete:

Shown in Figure 2, in the present embodiment, multifunctional electric meter can further include: be connected with signal processing module 15, and according to the information obtained after the process of signal processing module 15 settling signal, export the analog output module 17 of respective mode analog quantity, and be connected with signal processing module 15, and according to the information obtained after the process of signal processing module 15 settling signal, export the electrical energy pulse module 18 of corresponding electrical energy pulse.

In order to improve the intensity of signal, in the embodiment of the present invention, signal processing module 15 can further include: carry out amplifying the digital signal amplifying unit processed to the digital signal that analog-to-digital conversion module exports.

In order to reduce the noise in signal, in the embodiment of the present invention, signal processing module 15 can further include: the signal exported digital signal amplification unit carries out the signal filtering unit of filtering process.Preferred signal filtering unit is low-pass filter.

In the present embodiment, multifunctional electric meter can also comprise: be connected with signal processing module 15, and according to the information obtained after the process of signal processing module 15 settling signal, exports the switching value output module 19 of respective switch amount.

More specifically, the signal processing module 15 in the present embodiment can be the single-chip microcomputer of M0517 for model.Corresponding with this single-chip microcomputer, the quantity of multifunctional electric meter breaker in middle amount load module and switching value output module is 4.

Finally, also it should be noted that, in this article, 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.

Above a kind of multifunctional electric meter provided by the present invention is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (9)

1. a multifunctional electric meter, is characterized in that, comprising:
Power equipment to be measured is carried out to the signal acquisition module of signals collecting;
Analog-to-digital analog-to-digital conversion module is carried out to the signal that described signal acquisition module collects;
For generating the switching input module of switching value;
Produce the communicating circuit of Communication Control signal;
Be connected with described analog-to-digital conversion module, described switching input module and described communicating circuit respectively, and under the control of the Communication Control signal produced at described communicating circuit, the switching value that the digital signal correspondingly exported described analog-to-digital conversion module and described switching input module generate carries out the signal processing module of signal transacting;
To the segment encode liquid crystal display that the information obtained after the process of described signal processing module settling signal shows.
2. multifunctional electric meter according to claim 1, is characterized in that, also comprises:
Be connected with described signal processing module, and according to the information obtained after the process of described signal processing module settling signal, export the analog output module of respective mode analog quantity.
3. multifunctional electric meter according to claim 2, is characterized in that, also comprises:
Be connected with described signal processing module, and according to the information obtained after the process of described signal processing module settling signal, export the electrical energy pulse module of corresponding electrical energy pulse.
4. multifunctional electric meter according to claim 3, is characterized in that, described signal processing module also comprises:
Carry out amplifying the digital signal amplifying unit processed to the digital signal that described analog-to-digital conversion module exports.
5. multifunctional electric meter according to claim 4, is characterized in that, described signal processing module also comprises:
The signal of described digital signal amplifying unit output is carried out to the signal filtering unit of filtering process.
6. multifunctional electric meter according to claim 5, is characterized in that, described signal filtering unit is low-pass filter.
7. the multifunctional electric meter according to any one of claim 1 to 6, is characterized in that, the single-chip microcomputer of described signal processing module to be model be M0517.
8. multifunctional electric meter according to claim 7, is characterized in that, also comprises:
Be connected with described signal processing module, and according to the information obtained after the process of described signal processing module settling signal, export the switching value output module of respective switch amount.
9. multifunctional electric meter according to claim 8, is characterized in that, the quantity of described multifunctional electric meter breaker in middle amount load module and switching value output module is 4.
CN201510915949.9A 2015-12-10 2015-12-10 Multifunctional power instrument CN105527491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510915949.9A CN105527491A (en) 2015-12-10 2015-12-10 Multifunctional power instrument

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Application Number Priority Date Filing Date Title
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Publications (1)

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Citations (6)

* Cited by examiner, † Cited by third party
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
CN203216988U (en) * 2013-05-13 2013-09-25 哈尔滨国力电气有限公司 Multifunctional electric power 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
CN205229296U (en) * 2015-12-10 2016-05-11 重庆鸿引电子有限公司 Multifunctional electric power meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
CN203216988U (en) * 2013-05-13 2013-09-25 哈尔滨国力电气有限公司 Multifunctional electric power 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
CN205229296U (en) * 2015-12-10 2016-05-11 重庆鸿引电子有限公司 Multifunctional electric power meter

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