CN202256441U - Novel comprehensive electric power monitor - Google Patents
Novel comprehensive electric power monitor Download PDFInfo
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- CN202256441U CN202256441U CN 201120294012 CN201120294012U CN202256441U CN 202256441 U CN202256441 U CN 202256441U CN 201120294012 CN201120294012 CN 201120294012 CN 201120294012 U CN201120294012 U CN 201120294012U CN 202256441 U CN202256441 U CN 202256441U
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Abstract
The utility model discloses a novel comprehensive electric power monitor comprising a voltage sampling circuit and a current sampling circuit; wherein both the voltage sampling circuit and the current sampling circuit are connected with an operation processing module; the operation processing module is connected with an electric energy pulse output circuit; and the operation processing module is also connected with a microcontroller. A novel comprehensive electric power monitor installing device comprises a housing and two fixed clamping racks, wherein the housing is fixed on an installing screen through the two fixed clamping racks. The novel comprehensive electric power monitor of the utility model has the advantages of high measuring precision, quick acquiring speed, reliable performance, complete function, abundant interface display, compact structure, and convenient use.
Description
Technical field
The utility model relates to the power measurement field, relates in particular to a kind of new combined power monitoring instrumentation.
The utility model also relates to a kind of new combined power monitoring instrumentation erecting device.
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 opertaing device produced both at home and abroad, they exist following deficiency mostly: function is incomplete, and measuring accuracy 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.
The utility model content
The purpose of the utility model is the deficiency according to above-mentioned proposition, provides that a kind of measuring accuracy is high, picking rate is fast, dependable performance, complete function, interface display are abundant, compact conformation, new combined power monitoring instrumentation easy to use.
Another purpose of the utility model provides a kind of new combined power monitoring instrumentation erecting device.
The technical scheme that the utility model 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 is the ADE7878 electric energy computation chip, and said communication interface circuit is a two independent RS-485 interface, and said display device is with giant-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.
The utility model has the advantages that: measuring accuracy 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 utility model is described in further detail.
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the outside drawing of the utility model.
Fig. 3 is the scheme of installation of the utility model
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 utility model; 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 coupled 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 is with giant-screen backlight, high definition LCD display.
Measuring accuracy 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.
Principle of work:
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 pilot 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 simulating 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 utility model comprises housing and two fixing clamp frames 2; Said housing 2 is fixed in through two fixing clamp frames 3 to be installed on the screen 1, relies on two fixing clamp frames 3 to be fixed on and installs on the screen 1, unloads fixing clamp frame 3; Housing 2 is inserted as in its mounting hole of accomplishing fluently; Ressemble fixing clamp frame 3, fixing clamp frame 3 is tightly pressed to installed on the screen 1 then, do not need special instrument; Make it to obtain corresponding pretension effect and get final product, easy for installation, efficient is high.
Claims (2)
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 is the ADE7878 electric energy computation chip; Said communication interface circuit is a two independent RS-485 interface, and said display device is with giant-screen backlight, high definition LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120294012 CN202256441U (en) | 2011-08-15 | 2011-08-15 | Novel comprehensive electric power monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120294012 CN202256441U (en) | 2011-08-15 | 2011-08-15 | Novel comprehensive electric power monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256441U true CN202256441U (en) | 2012-05-30 |
Family
ID=46117660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120294012 Expired - Lifetime CN202256441U (en) | 2011-08-15 | 2011-08-15 | Novel comprehensive electric power monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256441U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324785A (en) * | 2011-08-15 | 2012-01-18 | 南通林洋电气有限公司 | Novel comprehensive power monitor and installation device and installation method thereof |
| CN102901852A (en) * | 2012-10-31 | 2013-01-30 | 中国民航大学 | Multifunctional multi-rate electric energy metering system based on medium-frequency power supply of civil airport |
| CN113311257A (en) * | 2021-04-28 | 2021-08-27 | 航粤智能电气股份有限公司 | Comprehensive monitoring device for electric equipment |
-
2011
- 2011-08-15 CN CN 201120294012 patent/CN202256441U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324785A (en) * | 2011-08-15 | 2012-01-18 | 南通林洋电气有限公司 | Novel comprehensive power monitor and installation device and installation method thereof |
| CN102901852A (en) * | 2012-10-31 | 2013-01-30 | 中国民航大学 | Multifunctional multi-rate electric energy metering system based on medium-frequency power supply of civil airport |
| CN113311257A (en) * | 2021-04-28 | 2021-08-27 | 航粤智能电气股份有限公司 | Comprehensive monitoring device for electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU LINYANG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: NANTONG LINYANG ELECTRICAL CO., LTD. Effective date: 20131113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 226200 NANTONG, JIANGSU PROVINCE TO: 226000 NANTONG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131113 Address after: Qidong City, Jiangsu province 226000 Nantong City Lin Yang Lu No. 666 Patentee after: Jiangsu Linyang Electronics Co., Ltd. Address before: Qidong City, Jiangsu province 226200 Nantong City Economic Development Zone No. 666 Lin Yang Lu Patentee before: Nantong Linyang Electrical Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 226200 Jiangsu city of Nantong province Qidong Economic Development Zone No. 666 Lin Yang Lu Patentee after: JIANGSU LINYANG ENERGY CO., LTD. Address before: Qidong City, Jiangsu province 226000 Nantong City Lin Yang Lu No. 666 Patentee before: Jiangsu Linyang Electronics Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |