CN102324785A - Novel comprehensive power monitor and installation device and installation method thereof - Google Patents
Novel comprehensive power monitor and installation device and installation method thereof Download PDFInfo
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- CN102324785A CN102324785A CN201110231779A CN201110231779A CN102324785A CN 102324785 A CN102324785 A CN 102324785A CN 201110231779 A CN201110231779 A CN 201110231779A CN 201110231779 A CN201110231779 A CN 201110231779A CN 102324785 A CN102324785 A CN 102324785A
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Abstract
The invention discloses a novel comprehensive power monitor and an installation device and an installation method thereof; the novel comprehensive power monitor comprises a voltage sampling circuit and a current sampling circuit; the voltage sampling circuit and the current sampling circuit are connected with an operation processing module; the operation processing module is connected with an electricity pulse output circuit; the operation processing module is connected with a micro controller; the installation device of the novel comprehensive power monitor comprises a shell body and two fixed clamp frames; the shell body is fixed on an installation screen through the two fixed clamp frames; and the installation method of the novel comprehensive power monitor comprises the steps that: the shell body is fixed on the installation screen through the two fixed clamp frames; the fixed clamp frames are removed; the shell body is inserted into a prepared installation hole; the fixed clamp frames are re-assembled; and then the fixed clamp frames are firmly pressed onto the installation screen. The invention has the advantages of high measuring precision, high acquisition speed, reliable performance, comprehensive functions, rich interface display, compact structure and convenience in use.
Description
Technical field
The present invention relates to the power measurement field, relate in particular to a kind of new combined power monitoring instrumentation.
The present invention relates to a kind of new combined power monitoring instrumentation erecting device.
The invention still further relates to a kind of new combined power monitoring instrumentation installation method.
Background technology
Current power is measured series products, especially becomes the Intellectualized monitoring instrument of power distribution network, need gather becoming the power distribution network data, measures, control and man-machine interaction, and can data be carried out long-distance transmissions through communication modes, realizes the electrical network intelligent monitoring.
Analyze similar measurement and the control appliance produced both at home and abroad, they exist following deficiency mostly: function is incomplete, and certainty of measurement is poor, and automaticity is low; Data acquisition rate is low, and deal with data can not be intelligent; Most of monitoring product only provides one road communication interface, and can only support single communications protocol, is unfavorable for the multi-channel data transmission; Expanded function is abundant inadequately, and is limited like switching value input way, and the switching signal that can not satisfy is as much as possible gathered requirement; Be difficult for directly driving switchgear action once; Display interface is unfriendly, is unfavorable for that the scene checks various measurement data and programming operation; Installation is inconvenient, efficient is low, quantities is big.
Therefore, be badly in need of a kind of improved technology and solve existing problem in the prior art.
Summary of the invention
The objective of the invention is deficiency, provide that a kind of certainty of measurement is high, picking rate is fast, dependable performance, complete function, interface display are abundant, compact conformation, new combined power monitoring instrumentation easy to use according to above-mentioned proposition.
Second purpose of the present invention provides a kind of new combined power monitoring instrumentation erecting device.
The 3rd purpose of the present invention provides a kind of new combined power monitoring instrumentation installation method.
The technical scheme that the present invention adopts is:
A kind of new combined power monitoring instrumentation; Comprise voltage sampling circuit and current sampling circuit; Said voltage sampling circuit all links to each other with the calculation process module with current sampling circuit; Said calculation process module links to each other with the electrical energy pulse output circuit; Said calculation process module also links to each other with microcontroller, and said microcontroller links to each other with real time clock circuit, data storage circuitry and communication interface circuit respectively, and said microcontroller also links to each other with switching value input circuit, control relay circuit, simulated measurement input circuit, analogue quantity output circuit, button inputting circuits and display device.
Said calculation process module adopts the ADE7878 electric energy computation chip, and said communication interface circuit is a two independent RS-485 interface, and said display device adopts with large-screen backlight, high definition LCD display.
A kind of new combined power monitoring instrumentation erecting device comprises housing and two fixing clamp frames, and said housing is fixed in through two fixing clamp frames to be installed on the screen.
A kind of new combined power monitoring instrumentation installation method; Said housing relies on two fixing clamp frames to be fixed on and installs on the screen, unloads fixing clamp frame, and housing is inserted as in its installing hole of accomplishing fluently; Ressemble fixing clamp frame, fixing clamp frame is tightly pressed to installed on the screen then.
Advantage of the present invention is: certainty of measurement is high, picking rate fast, dependable performance, complete function, abundant, the compact conformation, easy to use of interface display, has realized that remote measurement, remote signalling, remote control, remote regulating, digital duplex, electric energy add up, real-time clock, the metering of many rates, LCD show, function such as able to programme.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Fig. 1 is a theory diagram of the present invention.
Fig. 2 is an outline drawing of the present invention.
Fig. 3 is a scheme of installation of the present invention
Wherein: 1, screen is installed, 2, housing, 3, fixing clamp frame, 4, voltage sampling circuit, 5, current sampling circuit; 6, calculation process module, 7, the electrical energy pulse output circuit, 8, microcontroller, 9, real time clock circuit; 10, data storage circuitry, 11, the communication interface circuit, 12, the switching value input circuit, 13, control relay circuit; 14, simulated measurement input circuit, 15, analogue quantity output circuit, 16, button inputting circuits, 17 display devices.
Embodiment
As shown in Figure 1; A kind of new combined power monitoring instrumentation of the present invention; Comprise voltage sampling circuit 4 and current sampling circuit 5; Said voltage sampling circuit 4 all links to each other with calculation process module 6 with current sampling circuit 5, and said calculation process module 6 links to each other with electrical energy pulse output circuit 7, and said calculation process module 6 also links to each other with microcontroller 8; Said microcontroller 8 links to each other with real time clock circuit 9, data storage circuitry 10 and communication interface circuit 11 respectively, and said microcontroller 8 also links to each other with switching value input circuit 12, control relay circuit 13, simulated measurement input circuit 14, analogue quantity output circuit 15, button inputting circuits 16 and display device 17.
Said calculation process module 6 adopts the ADE7878 electric energy computation chip; It is a three-phase high-accuracy multifunctional electric energy computation chip, and I2C, SPI, three kinds of communication interfaces of HSDC and 3 outputs of pulses flexibly are provided, integrated second order sigma-delta analog to digital converter, digital integration, ADC reference source circuit; Can provide first-harmonic meritorious and reactive power simultaneously; Always (first-harmonic+harmonic wave) gains merit and reactive power, the apparent electric energy metrical, and first-harmonic is meritorious to be calculated with reactive energy metering and RMS.The digital signal processor of fixed function (DSP) is carried out this signal processing.This ADE7878 has surmounted the industrial precision and dynamic requirement that goes up 0.2 grade of table of electric energy metrical; The voltage and current passage is 24bit sigma-delta type ADC; The voltage and current effective value in the 1000:1 dynamic range less than 0.1%; Electric energy in the 1000:1 dynamic range less than 0.1%, in the 3000:1 dynamic range less than 0.2%.It also has the anti-shunt running function of enhancing, if meritorious and idlely all be lower than threshold value, anti-shunt running state triggers.It also provides electric current, voltage overload and electric voltage dropping to detect, and can send power down and over voltage alarm in advance.ADE7878 links to each other with the electrical energy pulse output circuit through coupling circuit, sends proportional pulse according to active energy and reactive energy.And with digital quantities such as the voltage that calculates, electric current, power, frequency, electric energy, link to each other with microcontroller by serial line interface, further accomplish data processing, analysis and demonstration.
Said communication interface circuit 11 is a two independent RS-485 interface, and said display device 17 adopts with large-screen backlight, high definition LCD display.
Certainty of measurement is high, picking rate fast, dependable performance, complete function, abundant, the compact conformation, easy to use of interface display, has realized that remote measurement, remote signalling, remote control, remote regulating, digital duplex, electric energy add up, real-time clock, the metering of many rates, LCD show, function such as able to programme.
Operation principle:
Sampling through voltage sampling circuit 4 and current sampling circuit 5; Convert large-signal into small-signal, send into calculation process module 6 and carry out signal shaping, amplification, filtering, calculation process, again digital quantities such as the voltage that calculates, electric current, power, frequency, electric energy are fed back to microcontroller 8 and do further to analyze and calculate; Microcontroller 8 is through LCD display device 17 video datas; Realize that by button inputting circuits 16 display interface switches and field programming, with data output, control output according to its value control relay control circuit 13 through two independent RS-485 communication interface circuit 11; Utilize analogue quantity output circuit 15 that digital signal transition is exported for analog signal; Gather in real time through 12 pairs of switching signals of switching value input circuit, and, be convenient to recollect and data analysis data, logout storage.
Shown in Fig. 2 and 3, a kind of new combined power monitoring instrumentation erecting device of the present invention comprises housing and two fixing clamp frames 2, and said housing 2 is fixed in through two fixing clamp frames 3 to be installed on the screen 1,
Shown in Fig. 2 and 3, a kind of new combined power monitoring instrumentation installation method of the present invention relies on two fixing clamp frames 3 to be fixed on and installs on the screen 1; Unload fixing clamp frame 3, housing 2 is inserted as in its installing hole of accomplishing fluently, ressemble fixing clamp frame 3; Then fixing clamp frame 3 is tightly pressed to and installed on the screen 1; Do not need special instrument, make it to obtain corresponding pretension effect and get final product, easy for installation, efficient is high.
Claims (4)
1. new combined power monitoring instrumentation; It is characterized in that: comprise voltage sampling circuit and current sampling circuit; Said voltage sampling circuit all links to each other with the calculation process module with current sampling circuit; Said calculation process module links to each other with the electrical energy pulse output circuit; Said calculation process module also links to each other with microcontroller, and said microcontroller links to each other with real time clock circuit, data storage circuitry and communication interface circuit respectively, and said microcontroller also links to each other with switching value input circuit, control relay circuit, simulated measurement input circuit, analogue quantity output circuit, button inputting circuits and display device.
2. a kind of new combined power monitoring instrumentation according to claim 1; It is characterized in that: said calculation process module adopts the ADE7878 electric energy computation chip; Said communication interface circuit is a two independent RS-485 interface, and said display device adopts with large-screen backlight, high definition LCD display.
3. new combined power monitoring instrumentation erecting device is characterized in that: comprise housing and two fixing clamp frames, said housing is fixed in through two fixing clamp frames to be installed on the screen.
4. new combined power monitoring instrumentation installation method; It is characterized in that: said housing relies on two fixing clamp frames to be fixed on and installs on the screen, unloads fixing clamp frame, and housing is inserted as in its installing hole of accomplishing fluently; Ressemble fixing clamp frame, fixing clamp frame is tightly pressed to installed on the screen then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231779A CN102324785A (en) | 2011-08-15 | 2011-08-15 | Novel comprehensive power monitor and installation device and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231779A CN102324785A (en) | 2011-08-15 | 2011-08-15 | Novel comprehensive power monitor and installation device and installation method thereof |
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| CN102324785A true CN102324785A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110231779A Pending CN102324785A (en) | 2011-08-15 | 2011-08-15 | Novel comprehensive power monitor and installation device and installation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241538A (en) * | 2016-09-20 | 2016-12-21 | 广州特种机电设备检测研究院 | A kind of elevator energy consumption on-line monitoring system based on Internet of Things |
| CN107153126A (en) * | 2016-03-04 | 2017-09-12 | 四川中泽电子有限公司 | A kind of monitor |
| CN107942806A (en) * | 2017-12-06 | 2018-04-20 | 郝明学 | Circuit on-off signal switch bus data or wireless signal module |
| CN107957700A (en) * | 2017-12-06 | 2018-04-24 | 郝明学 | Wirelessly with bus intelligent control telegraph key feedback scheme |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6005384A (en) * | 1996-10-22 | 1999-12-21 | Abb Power T&D Company Inc. | Methods and apparatus for oscillator compensation in an electrical energy meter |
| CN202256441U (en) * | 2011-08-15 | 2012-05-30 | 南通林洋电气有限公司 | Novel comprehensive electric power monitor |
-
2011
- 2011-08-15 CN CN201110231779A patent/CN102324785A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6005384A (en) * | 1996-10-22 | 1999-12-21 | Abb Power T&D Company Inc. | Methods and apparatus for oscillator compensation in an electrical energy meter |
| CN202256441U (en) * | 2011-08-15 | 2012-05-30 | 南通林洋电气有限公司 | Novel comprehensive electric power monitor |
Non-Patent Citations (2)
| Title |
|---|
| 上海安科瑞电气股份有限公司: "PZ系列可编程智能电测表安装使用说明书", 《百度文库》, 27 July 2010 (2010-07-27), pages 3 * |
| 邹玲等: "基于计量芯片ADE7878的费控智能表设计", 《数字技术与应用》, no. 5, 31 May 2010 (2010-05-31), pages 21 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153126A (en) * | 2016-03-04 | 2017-09-12 | 四川中泽电子有限公司 | A kind of monitor |
| CN106241538A (en) * | 2016-09-20 | 2016-12-21 | 广州特种机电设备检测研究院 | A kind of elevator energy consumption on-line monitoring system based on Internet of Things |
| CN106241538B (en) * | 2016-09-20 | 2019-09-20 | 广州特种机电设备检测研究院 | A kind of elevator energy consumption on-line monitoring system based on Internet of Things |
| CN107942806A (en) * | 2017-12-06 | 2018-04-20 | 郝明学 | Circuit on-off signal switch bus data or wireless signal module |
| CN107957700A (en) * | 2017-12-06 | 2018-04-24 | 郝明学 | Wirelessly with bus intelligent control telegraph key feedback scheme |
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Application publication date: 20120118 |