CN101769956A - Intelligent monitor system - Google Patents
Intelligent monitor system Download PDFInfo
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- CN101769956A CN101769956A CN200910213958A CN200910213958A CN101769956A CN 101769956 A CN101769956 A CN 101769956A CN 200910213958 A CN200910213958 A CN 200910213958A CN 200910213958 A CN200910213958 A CN 200910213958A CN 101769956 A CN101769956 A CN 101769956A
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Abstract
The invention relates an acquisition system, in particular to an intelligent monitor system. The technical scheme utilized by the invention is as shown below that: an intelligent monitor system comprises a main system, an intelligent power detector module, a switch acquisition module, an AC acquisition module, wherein, the switch acquisition module and the AC acquisition module are connected with the intelligent power detector module by SPI bus, and the intelligent power detector module is connected with the main system by 485 bus. The invention facilitates an acquisition module and the switch acquisition module to connect with a power detector by the SPI bus. The data and the status sent by the two modules are under the control of the power detector. The power detector is communicated with a host by RS484 for remote monitor, thus reducing 485 bus utility and meeting the requirement for acquiring multi-path current and switch signal with low cost.
Description
Technical field
The present invention relates to a kind of electric power acquisition system, be meant a kind of power automation intelligent monitor system especially.
Background technology
In the power automation field, industry spot exists a large amount of electric currents and the collection of switching value signal demand, and need measure parameters of electric power, at present, general current acquisition module, switch acquisition module and electric supervising device are separate, give host computer by 485 bus transfer respectively with the information that collects separately, measure monitoring (as Fig. 1).
The problem that prior art exists is as follows:
1) complex structure, various modules all need power lead and connection, install complicated;
2) cost height need be provided with data bus and 485 buses for each module, has increased hardware cost;
3) various collections all need be carried out control and management by workstation, the system design complexity.
Summary of the invention
The invention provides a kind of intelligent monitor system, to solve available circuit and switching value signal acquiring system cost height, baroque technical matters.
The technical solution used in the present invention is as follows:
A kind of intelligent monitor system, comprise host computer system, intelligent electric power detector module, switch acquisition module, AC current collecting module, described switch acquisition module, AC current collecting module insert intelligent electric power monitor module by spi bus, and the electric supervising device module is connected with host computer system by 485 buses.
As a kind of preferred version, the switch acquisition module comprises: the buffer circuit of Lian Jieing, first switch and first single-chip microcomputer successively, first single-chip microcomputer is connected with smart circuit monitor module by spi bus.
As further preferred version, the switch acquisition module is 40 way switch amount acquisition modules, and buffer circuit is No. 40 buffer circuits, and first conversion switch circuit is 40 road conversion switch circuits.
As a kind of preferred version, the AC current collecting module comprises: first translation circuit of Lian Jieing, second switch and second singlechip successively, second singlechip is connected with smart circuit monitor module by spi bus.
As further preferred version, the AC current collecting module is 40 road AC current collecting modules, and first translation circuit is No. 40 translation circuits, and second switch is 40 road switches.
As a kind of preferred version, electric intelligent monitor module comprises: the three-phase voltage of Lian Jieing/current signal input circuit, second translation circuit, the 3rd switch, amplifying circuit and the 3rd single-chip microcomputer successively, the 3rd single-chip microcomputer is connected respectively with switch acquisition module, switch acquisition module by spi bus, and the 3rd single-chip microcomputer is connected with host computer system by 485 buses.
As further preferred version, second translation circuit is No. 3 translation circuits, and the 3rd switch is 6 road switches.
As a kind of preferred version, the switch acquisition module is connected by 8 core netting twines with smart circuit monitor module, and the AC current collecting module is connected by 8 core netting twines with smart circuit monitor module.
The present invention links to each other the current acquisition module by spi bus with the switch acquisition module with electric supervising device, on electric supervising device, just can monitor data and the state that two modules are sent, carry out communication by electric supervising device by RS484 network and host computer then, thereby carry out remote monitoring, can reduce by 485 buses like this, satisfy low-cost demand of gathering multichannel electric current, switching value signal.
Description of drawings
Fig. 1 is existing acquisition module working method figure;
Fig. 2 is structural principle of the present invention and working method figure.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in more detail.
As shown in Figure 2, present embodiment comprises intelligent electric power detector, 40 way switch amount acquisition modules, 40 road AC current collecting modules, and wherein switch acquisition circuit module, AC current collecting circuit module insert the intelligent electric power monitor by spi bus.
The switch acquisition module comprises: No. 40 buffer circuits, 40 road switches, single-chip microcomputer and peripheral circuit.40 way switch amount signals are input in the module, and after buffer circuit and the isolation of inside modules circuit, Single-chip Controlling 40 road switches send each way switch amount signal, judge the switching value state by single-chip microcomputer then.
The AC current collecting module comprises: No. 40 translation circuits, 40 road switches, single-chip microcomputer and peripheral circuit.In 40 road current signal input current modules, translation circuit is transformed into 0～10mA small-signal to 0～63A current signal, Single-chip Controlling 40 road switches insert single-chip microcomputer to each road small-signal timesharing then, get actual current value to the end through AD conversion and effective value calculation procedure.
Electric intelligent monitor circuit comprises: three-phase voltage/current signal input circuit, No. 3 translation circuits, 6 road switches, amplifying circuit, single-chip microcomputer and peripheral circuit, communicating circuit.This circuit is used for receiving earlier the voltage and current signal of input, No. 3 translation circuits are transformed into small-signal to big current signal and high voltage signal, by Single-chip Controlling 6 road switches each road signal is inserted single-chip microcomputer then, at last again through Chip Microcomputer A conversion, can calculate whole electrical quantitys on loop line roads such as electric current, voltage, power, power factor, frequency by program and show.
At last, main frame reads two module datas by spi bus, sends the data to workstation by 485 networks then.
Claims (10)
1. intelligent monitor system, comprise host computer system, intelligent electric power detector module, switch acquisition module, AC current collecting module, it is characterized in that, described switch acquisition module, AC current collecting module insert intelligent electric power monitor module by spi bus, and the electric supervising device module is connected with host computer system by 485 buses.
2. intelligent monitor system according to claim 1, it is characterized in that, described switch acquisition module comprises: the buffer circuit of Lian Jieing, first switch and first single-chip microcomputer successively, first single-chip microcomputer is connected with smart circuit monitor module by spi bus.
3. intelligent monitor system according to claim 2 is characterized in that, described switch acquisition module is 40 way switch amount acquisition modules, and buffer circuit is No. 40 buffer circuits, and first conversion switch circuit is 40 road conversion switch circuits.
4. intelligent monitor system according to claim 1 and 2, it is characterized in that, described AC current collecting module comprises: first translation circuit of Lian Jieing, second switch and second singlechip successively, second singlechip is connected with smart circuit monitor module by spi bus.
5. intelligent monitor system according to claim 4 is characterized in that, described AC current collecting module is 40 road AC current collecting modules, and first translation circuit is No. 40 translation circuits, and second switch is 40 road switches.
6. intelligent monitor system according to claim 1 and 2, it is characterized in that, described electric intelligent monitor module comprises: the three-phase voltage of Lian Jieing/current signal input circuit, second translation circuit, the 3rd switch, amplifying circuit and the 3rd single-chip microcomputer successively, the 3rd single-chip microcomputer is connected respectively with switch acquisition module, switch acquisition module by spi bus, and the 3rd single-chip microcomputer is connected with host computer system by 485 buses.
7. intelligent monitor system according to claim 6 is characterized in that, described second translation circuit is No. 3 translation circuits, and the 3rd switch is 6 road switches.
8. according to each described intelligent monitor system in the claim 1,2,3,5,7, it is characterized in that, the switch acquisition module is connected by 8 core netting twines with smart circuit monitor module, and the AC current collecting module is connected by 8 core netting twines with smart circuit monitor module.
9. intelligent monitor system according to claim 4 is characterized in that, the switch acquisition module is connected by 8 core netting twines with smart circuit monitor module, and the AC current collecting module is connected by 8 core netting twines with smart circuit monitor module.
10. intelligent monitor system according to claim 6 is characterized in that, the switch acquisition module is connected by 8 core netting twines with smart circuit monitor module, and the AC current collecting module is connected by 8 core netting twines with smart circuit monitor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213958A CN101769956A (en) | 2009-12-16 | 2009-12-16 | Intelligent monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213958A CN101769956A (en) | 2009-12-16 | 2009-12-16 | Intelligent monitor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101769956A true CN101769956A (en) | 2010-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200910213958A Pending CN101769956A (en) | 2009-12-16 | 2009-12-16 | Intelligent monitor system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928686A (en) * | 2012-06-26 | 2013-02-13 | 兰州海红技术股份有限公司 | Split-type intelligent electric instrument |
-
2009
- 2009-12-16 CN CN200910213958A patent/CN101769956A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928686A (en) * | 2012-06-26 | 2013-02-13 | 兰州海红技术股份有限公司 | Split-type intelligent electric instrument |
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Application publication date: 20100707 |