CN102928686A - Split-type intelligent electric instrument - Google Patents
Split-type intelligent electric instrument Download PDFInfo
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- CN102928686A CN102928686A CN2012102129605A CN201210212960A CN102928686A CN 102928686 A CN102928686 A CN 102928686A CN 2012102129605 A CN2012102129605 A CN 2012102129605A CN 201210212960 A CN201210212960 A CN 201210212960A CN 102928686 A CN102928686 A CN 102928686A
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Abstract
The invention discloses a split-type intelligent electric instrument. The split-type intelligent electric instrument comprises a main control display unit and an analog quantity integrated monitoring unit connected with the main control display unit, wherein the main control display unit and the analog quantity integrated monitoring unit are of a separated structure. The split-type intelligent electric instrument can be used for overcoming the defects of few functions, inconvenience in use, high maintenance difficulty and poor safety in the prior art, and has the advantages of multiple functions, convenience in use, low maintenance difficulty and good safety.
Description
Technical field
The present invention relates to the electric power measuring device technical field, particularly, relate to a kind of Split type intelligent electric instrument.
Background technology
Traditional electric instrument model is various, but function ratio is more single, mostly only has certain individual event or multinomial electrical measurement function, and such as reometer, voltage table, electric current and voltage combination table etc., electrical measurement is incomplete; And great majority do not possess full electrical measurement and function of measuring.
Existing multifunction instrument has been integrated also multinomial electrical measurement and metering, but that electrical measurement is complete, electric quantity metering is complete is very few; And existing common multifunction instrument only has a kind of RS485 communication interface, comparatively inconvenience when field adjustable, Centralized Monitoring networking; In addition, existing multifunction instrument is integral structure, although install easily, for easy to maintenance, need be installed in easy observation place.Be installed on the cabinet door such as instrument in switch cubicle, so all signal wires to " move into one's husband's household upon marriage " more, must install connecting terminal block additional, cause the inconvenience of construction, and forceful electric power has been guided to the cabinet door, cause certain potential safety hazard.
In realizing process of the present invention, the inventor find to exist at least in the prior art function few, use inconvenient, maintenance difficulties is large and the defective such as poor stability.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of Split type intelligent electric instrument, with the advantage that practical function is many, easy to use, maintenance difficulties is little and security is good.
For achieving the above object, the technical solution used in the present invention is: a kind of Split type intelligent electric instrument, comprise the master control display unit, and the analog quantity comprehensively monitoring unit that is connected with described master control display unit; Described master control display unit and analog quantity comprehensively monitoring unit adopt the isolating construction setting.
Further, described master control display unit, comprise the first single-chip microcomputer, and the human-computer interaction module that is connected with described the first single-chip microcomputer respectively, alarm output module, the communication module that is used for communicating by letter with host computer, and be used for the communication interface that is connected with analog quantity comprehensively monitoring unit.
Further, described human-computer interaction module comprises the LCDs, operation push-button and the pilot lamp that are connected with described the first single-chip microcomputer respectively.
Further, described alarm output module comprises relay alarm output sub-module and/or sound and light alarm submodule and/or dry contact alarm submodule.
Further, described communication module comprises RS485 communication interface and/or RS422 communication interface and/or RS232 communication interface.
Further, described analog quantity comprehensively monitoring unit, comprise second singlechip, the module for metering electric quantity that is connected with described second singlechip respectively, Multi-way remote control relay output module, on off state detection module, and be used for the communication interface that is connected with the master control display unit and the electric quantity acquisition detection module that is connected with described module for metering electric quantity.
Further, described module for metering electric quantity comprises that mainly model is the chip of ATT7026A.
Further, described electric quantity acquisition detection module mainly comprises voltage sensor and/or current sensor.
The Split type intelligent electric instrument of various embodiments of the present invention, owing to comprise the master control display unit, and the analog quantity comprehensively monitoring unit that is connected with the master control display unit; Master control display unit and analog quantity comprehensively monitoring unit adopt the isolating construction setting; Adopt analog quantity comprehensively monitoring unit can be connected by the RS485 communication mode with analog quantity comprehensively monitoring unit with structure and the master control display unit that the master control display unit separates, be fit to very much electric quantity acquisition and detect and the environment for use of man-machine interaction unit in the strange land; In switch cubicle, eliminate the potential safety hazard of forceful electric power having been guided to the cabinet door, greatly reduced " moving into one's husband's household upon marriage " line, made things convenient for construction maintenance; Function is few in the prior art, use is inconvenient, maintenance difficulties is large and the defective of poor stability thereby can overcome, with the advantage that practical function is many, easy to use, maintenance difficulties is little and security is good.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of instructions, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the principle of work schematic diagram of the Split type intelligent electric instrument according to the present invention;
Fig. 2 a-Fig. 2 f(LCD display screen and the first single-chip microcomputer), Fig. 3 a-Fig. 3 d(operation push-button and pilot lamp), Fig. 4 a-Fig. 4 d(alarm output module), Fig. 5 a-Fig. 5 e(communication module) be the electrical principle schematic diagram of master control display unit in the Split type intelligent electric instrument according to the present invention;
Fig. 6 a-Fig. 6 h(second singlechip and RS485 communication interface), Fig. 7 a-Fig. 7 o(module for metering electric quantity and electric quantity acquisition detection module), Fig. 8 a-Fig. 8 e(4 road banked relay output module and on off state detection module) be the electrical principle schematic diagram of analog quantity comprehensively monitoring unit in the Split type intelligent electric instrument according to the present invention;
Fig. 9 a-Fig. 9 g is electric parameter display interface schematic diagram in the Split type intelligent electric instrument according to the present invention.
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 description and interpretation the present invention, is not intended to limit the present invention.
According to the embodiment of the invention, shown in Fig. 1-Fig. 8 e, provide a kind of Split type intelligent electric instrument.
As shown in Figure 1, the Split type intelligent electric instrument of the present embodiment comprises the master control display unit, and the analog quantity comprehensively monitoring unit that is connected with the master control display unit; Master control display unit and analog quantity comprehensively monitoring unit adopt the isolating construction setting.
Wherein, above-mentioned master control display unit, comprise the first single-chip microcomputer, and the human-computer interaction module that is connected with the first single-chip microcomputer respectively, alarm output module, the communication module (comprising RS485 communication interface and/or RS422 communication interface and/or RS232 communication interface) that is used for communicating by letter with host computer, and be used for the communication interface (RS485 communication interface) that is connected with analog quantity comprehensively monitoring unit.This human-computer interaction module comprises the LCDs (being LCD display), operation push-button and the pilot lamp that are connected with the first single-chip microcomputer respectively.This alarm output module comprises relay alarm output sub-module and/or sound and light alarm submodule and/or dry contact alarm submodule.During implementation, the electrical principle of LCD display and the first single-chip microcomputer can be referring to Fig. 2 a-Fig. 2 f; The electrical principle of operation push-button and pilot lamp can be referring to Fig. 3 a-Fig. 3 d; The electrical principle of alarm output module can be referring to Fig. 4 a-Fig. 4 d; The electrical principle of communication module can be referring to Fig. 5 a-Fig. 5 e.
For example, the electric parameter display interface can comprise:
⑴ voltage, electric current display interface are referring to Fig. 9 a.
⑵ active power, reactive power, applied power display interface: by selecting by " ▲ ", " ▼ ", referring to Fig. 9 b.
[notes]: Pa, Pb, Pc are respectively A, B, C phase active power; P is for closing phase active power, referring to Fig. 9 c.
[notes]: Qa, Qb, Qc are respectively A, B, C phase reactive power; Q is for closing the phase reactive power, referring to Fig. 9 d.
[notes]: Sa, Sb, Sc are respectively A, B, C phase applied power; S is for closing the phase applied power.
⑶ active energy and reactive energy display interface are referring to Fig. 9 e.
[notes]: EPa, EPb, EPc are respectively A, B, C phase active energy; EP is for closing the phase active energy, referring to Fig. 9 f.
[notes]: EQa, EQb, EQc are respectively A, B, C phase reactive energy; EQ is for closing the phase reactive energy.
⑷ Split type intelligent electric instrument system of living in gets parameter the interface is set, referring to Fig. 9 g.
[notes]: the address is defaulted as: 01; The voltage alarm limit value is defaulted as 187V-242V; Electric energy zero clearing password is: 1234.
Above-mentioned analog quantity comprehensively monitoring unit, comprise second singlechip, the module for metering electric quantity that is connected with second singlechip respectively, Multi-way remote control relay output module (such as No. 4 banked relay output modules), on off state detection module, and be used for the communication interface (such as the 2nd RS485 communication interface) that is connected with the master control display unit and the electric quantity acquisition detection module that is connected with module for metering electric quantity.This module for metering electric quantity comprises that mainly model is the chip of ATT7026A.This electric quantity acquisition detection module mainly comprises high-precision voltage sensor and/or high-precision current sensor.During implementation, the electrical principle of second singlechip can be referring to Fig. 6 a-Fig. 6 h; The electrical principle of module for metering electric quantity and electric quantity acquisition detection module can be referring to Fig. 7 a-Fig. 7 o; The electrical principle of No. 4 banked relay output modules and on off state detection module can be referring to Fig. 8 a-Fig. 8 e.
The Split type intelligent electric instrument of above-described embodiment, not only the detection and measurement electric weight is multiple functional, and the structure that adopts human-computer interaction module in analog quantity comprehensively monitoring unit and the master control display unit and main control MCU (i.e. the first single-chip microcomputer) to separate, only adopt RS485 communication mode (can also adopt RS422 communication mode or RS232 communication mode) between the two, the man-machine interaction unit power supply of introducing is DC5V; Not only greatly facilitate construction, and the potential safety hazard of eliminating.
The Split type intelligent electric instrument of above-described embodiment is for the high precision of the application scenario setting of the power monitorings such as electric system, industrial and mining enterprises, Based Intelligent Control, metering examination, full electric weight intelligent power distribution monitoring device.This Split type intelligent electric instrument, adopt high precision the special metering IC and highly reliable MCU(such as the first single-chip microcomputer) arrange, and adopt high-accuracy voltage, current sensor, can measure in the three phase network all electric weight such as three-phase voltage, electric current, active power, reactive power, applied power, power factor, frequency, active energy, reactive energy etc., have RS485, RS422, RS232 communication interface, have banked relay and alarm relay output etc.
The Split type intelligent electric instrument of above-described embodiment, formed by master control display unit and analog quantity comprehensively monitoring unit two parts, the master control display unit mainly is take the first single-chip microcomputer as core, and is connected human-computer interaction module, alarm relay output module, host computer communication module (being communication module), a RS485 communication interface and jointly forms; The host computer communication module has comprised RS485, RS422, three kinds of communication interfaces of RS232.Analog quantity comprehensively monitoring unit, comprise second singlechip, the module for metering electric quantity that is connected with second singlechip respectively (the special-purpose module for metering electric quantity that namely comprises the special metering IC ATT7026A), No. 4 banked relay output modules, on off state monitoring modular, the 2nd RS485 communication interface, and the electric quantity acquisition detection module that is connected with module for metering electric quantity respectively.
Compared with prior art, the Split type intelligent electric instrument of above-described embodiment has following characteristics:
⑴ the structure that adopt analog quantity comprehensively monitoring unit to separate with the master control display unit, the master control display unit is connected by the RS485 communication mode with analog quantity comprehensively monitoring unit, is fit to very much electric quantity acquisition and detects and the environment for use of man-machine interaction unit in the strange land; In switch cubicle, eliminate the potential safety hazard of forceful electric power having been guided to the cabinet door, greatly reduced " moving into one's husband's household upon marriage " line, made things convenient for construction maintenance;
⑵ measure all electric weight in the three phase network: three-phase voltage, three-phase current, three phases active power, close phase active power, three phase reactive power, close the phase reactive power, the three-phase applied power, close phase applied power, three-phase activity coefficient, close the phase power factor, the three-phase active energy, close phase active energy, three-phase reactive energy, close phase reactive energy, mains frequency; And adopted special-purpose computation chip, and can reach 0.2 grade by digital calibration electrical measurement precision, meritorious precision can reach 0.5S, and idle precision can reach 1 grade;
⑶ can adopt the full Chinese display of LCD liquid crystal interface, the operation such as greatly facilitate inquiry, arrange;
⑷ provide RS485, RS232 and three kinds of communication interfaces of RS422, can supply user selection and host computer communication mode;
⑸ have 4 tunnel remote controls and No. 2 alarm relay output interfaces, and voltage, electric current transfinite and have sound and light of alarm.
In sum, the Split type intelligent electric instrument of various embodiments of the present invention, adopt high reliability MCU to arrange, and employing high-accuracy voltage, current sensor, can measure all electric weight such as three-phase voltage in the three phase network, electric current, active power, reactive power, applied power, power factor, frequency, active energy, reactive energy etc., has abundant RS485, RS422, three kinds of communication interfaces of RS232, has banked relay output, at electric current, when transfiniting, voltage has sound and light alarm and relay output function, and multiple functional, dependable performance, the measurement and metrology precision is high; And the split-type structural that adopts design, being fit to very much electric quantity acquisition detects and the environment for use of man-machine interaction unit in the strange land, and in switch cubicle, eliminated the potential safety hazard of forceful electric power having been guided to the cabinet door, greatly reduced " moving into one's husband's household upon marriage " line, made things convenient for construction maintenance.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a Split type intelligent electric instrument is characterized in that, comprises the master control display unit, and the analog quantity comprehensively monitoring unit that is connected with described master control display unit; Described master control display unit and analog quantity comprehensively monitoring unit adopt the isolating construction setting.
2. Split type intelligent electric instrument according to claim 1, it is characterized in that, described master control display unit, comprise the first single-chip microcomputer, and the human-computer interaction module that is connected with described the first single-chip microcomputer respectively, alarm output module, the communication module that is used for communicating by letter with host computer, and be used for the communication interface that is connected with analog quantity comprehensively monitoring unit.
3. Split type intelligent electric instrument according to claim 2 is characterized in that, described human-computer interaction module comprises the LCDs, operation push-button and the pilot lamp that are connected with described the first single-chip microcomputer respectively.
4. Split type intelligent electric instrument according to claim 2 is characterized in that, described alarm output module comprises relay alarm output sub-module and/or sound and light alarm submodule and/or dry contact alarm submodule.
5. each described Split type intelligent electric instrument is characterized in that according to claim 2-4, and described communication module comprises RS485 communication interface and/or RS422 communication interface and/or RS232 communication interface.
6. Split type intelligent electric instrument according to claim 1, it is characterized in that, described analog quantity comprehensively monitoring unit, comprise second singlechip, the module for metering electric quantity that is connected with described second singlechip respectively, Multi-way remote control relay output module, on off state detection module, and be used for the communication interface that is connected with the master control display unit and the electric quantity acquisition detection module that is connected with described module for metering electric quantity.
7. Split type intelligent electric instrument according to claim 6 is characterized in that, described module for metering electric quantity comprises that mainly model is the chip of ATT7026A.
8. Split type intelligent electric instrument according to claim 6 is characterized in that, described electric quantity acquisition detection module mainly comprises voltage sensor and/or current sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102129605A CN102928686A (en) | 2012-06-26 | 2012-06-26 | Split-type intelligent electric instrument |
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| CN2012102129605A CN102928686A (en) | 2012-06-26 | 2012-06-26 | Split-type intelligent electric instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI547698B (en) * | 2014-08-29 | 2016-09-01 | 張哲朗 | Split-type smart ammeter |
| CN114280354A (en) * | 2021-12-21 | 2022-04-05 | 镇江市百汇电器有限公司 | Three-phase system non-contact high-voltage live detection circuit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2696252A1 (en) * | 1992-09-25 | 1994-04-01 | Valeo Electronique | Electric load control device for vehicle power assisted steering system - supplies HF continuous voltage whilst current input from supply source is sinusoidal and in phase with supply voltage |
| CN2725899Y (en) * | 2003-08-04 | 2005-09-14 | 南通现代电力科技有限公司 | Split electric energy meter |
| CN101769956A (en) * | 2009-12-16 | 2010-07-07 | 河源市雅达电子有限公司 | Intelligent monitor system |
| US20100187914A1 (en) * | 2009-01-26 | 2010-07-29 | Geneva Cleantech Inc. | Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network |
| CN201780331U (en) * | 2010-08-20 | 2011-03-30 | 施宁 | Electronic split watt-hour meter |
| CN201796086U (en) * | 2010-07-07 | 2011-04-13 | 江苏斯菲尔电气股份有限公司 | Electric energy measuring instrument for multi-power supply system |
| CN201876938U (en) * | 2010-12-10 | 2011-06-22 | 威胜集团有限公司 | Split-type single-phase integrated circuit (IC) card electric energy meter |
| CN202614880U (en) * | 2012-06-26 | 2012-12-19 | 兰州海红技术股份有限公司 | Split type intelligent power meter |
-
2012
- 2012-06-26 CN CN2012102129605A patent/CN102928686A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2696252A1 (en) * | 1992-09-25 | 1994-04-01 | Valeo Electronique | Electric load control device for vehicle power assisted steering system - supplies HF continuous voltage whilst current input from supply source is sinusoidal and in phase with supply voltage |
| CN2725899Y (en) * | 2003-08-04 | 2005-09-14 | 南通现代电力科技有限公司 | Split electric energy meter |
| US20100187914A1 (en) * | 2009-01-26 | 2010-07-29 | Geneva Cleantech Inc. | Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network |
| CN101769956A (en) * | 2009-12-16 | 2010-07-07 | 河源市雅达电子有限公司 | Intelligent monitor system |
| CN201796086U (en) * | 2010-07-07 | 2011-04-13 | 江苏斯菲尔电气股份有限公司 | Electric energy measuring instrument for multi-power supply system |
| CN201780331U (en) * | 2010-08-20 | 2011-03-30 | 施宁 | Electronic split watt-hour meter |
| CN201876938U (en) * | 2010-12-10 | 2011-06-22 | 威胜集团有限公司 | Split-type single-phase integrated circuit (IC) card electric energy meter |
| CN202614880U (en) * | 2012-06-26 | 2012-12-19 | 兰州海红技术股份有限公司 | Split type intelligent power meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI547698B (en) * | 2014-08-29 | 2016-09-01 | 張哲朗 | Split-type smart ammeter |
| CN114280354A (en) * | 2021-12-21 | 2022-04-05 | 镇江市百汇电器有限公司 | Three-phase system non-contact high-voltage live detection circuit |
| CN114280354B (en) * | 2021-12-21 | 2023-11-14 | 镇江市百汇电器有限公司 | Non-contact high-voltage live detection circuit of three-phase system |
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Application publication date: 20130213 |