CN203151229U - Monitoring system for electric power acquisition data - Google Patents
Monitoring system for electric power acquisition data Download PDFInfo
- Publication number
- CN203151229U CN203151229U CN 201320165707 CN201320165707U CN203151229U CN 203151229 U CN203151229 U CN 203151229U CN 201320165707 CN201320165707 CN 201320165707 CN 201320165707 U CN201320165707 U CN 201320165707U CN 203151229 U CN203151229 U CN 203151229U
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- CN
- China
- Prior art keywords
- electric power
- circuit
- data
- system bus
- voltage
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Abstract
The utility model discloses a monitoring system for electric power acquisition data, which is capable of ensuring stable obtaining for the data. The monitoring system runs based on the data communication of a system bus, and comprises an electric power acquisition end connected to the system bus, and an electric power transmission end communicated with the electric power acquisition end, wherein the electric power acquisition end is designed to acquire the voltage change amount of a data communication content born on the system bus; and the electric power acquisition end comprises a plurality of communication interface circuits electrically coupled with the system bus, a feed-in circuit electrically connected with the communication interface circuits, a conversion circuit electrically connected with the communication interface circuits, a voltage-stabilized filter circuit attached to the conversion circuit, and a switch circuit electrically connected with the voltage-stabilized filter circuit.
Description
Technical field
The utility model relates to electric power system, especially relates to a kind ofly obtaining system with the monitoring power electric image data by bus.
Background technology
Current; performance and data message by bus mode collection and managing power collecting device; in this bus-organized system, need an active devices; namely initiatively obtain the power equipment that is connected on other device data that produce on the bus; correspondingly be provided with passive equipment; these equipment can be switching device or protection devices in the power circuit, or are directed to the equipment with electric control.
Yet, there is various problems in the system of current techniques, for example can't guarantee that the stable of data obtains, this mainly is the problem of bus voltage or electric current, because current carrier communication (PLC) mode that all adopts is obtained data, in case wide swings appears in voltage, then can't guarantee the steady operation of the components and parts of active devices or passive equipment, therefore also just can not guarantee obtaining continuously or effectively of data.Can certainly select conventional wireless mode, but power consumption is bigger, the data obtain manner is comparatively single.
The utility model content
Technical problem to be solved in the utility model just provide a kind of can guarantee that data stabilization obtains the electric power acquisition data supervisory control system.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electric power acquisition data supervisory control system, the data communication that it is based on a system bus is moved, comprise and connect the electric power data acquisition end that is located on the described system bus and the electric power data transmitting terminal of communicating by letter with it, wherein design described electric power data acquisition end to gather the voltage variety of carrying data communication content on the described system bus, it is characterized in that described electric power data acquisition end comprises:
Several communication interface circuits with described system bus electric coupling;
The feed-in circuit that is electrically connected with described communication interface circuit is in order to control its shake voltage when described communication interface circuit detects the voltage variety signal;
The change-over circuit that is electrically connected with described communication interface circuit is in order to be converted to the voltage variety on the described system bus input signal;
Be attached to the filter circuit of pressure-stabilizing of described change-over circuit; And
Be electrically connected the switching circuit of described filter circuit of pressure-stabilizing, it obtains operating voltage by described system bus, in order to control the switch of described electric power data acquisition end by controlling described filter circuit of pressure-stabilizing.
In one embodiment, described filter circuit of pressure-stabilizing comprises capacitor.
In one embodiment, described switching circuit comprises described capacitor altogether or along with voltage bias signal of data transfer excitation the control action of described electric power data acquisition end.
In one embodiment, described electric power data acquisition end further comprises an amplifying circuit with the filter circuit of pressure-stabilizing electric coupling, in order to amplify described input signal; An and bistable circuit being electrically connected of the output of amplifying circuit therewith; Wherein said capacitor comprises at least one pair of capacitor that is series between described change-over circuit and the amplifying circuit, and described switching circuit comprises the switching device that is connected between described at least one pair of capacitor, be used for the described capacitor of control move commonly or to voltage bias signal of output input of described amplifying circuit.
In one embodiment, described switching circuit is controlled described bistable circuit and is produced a default polarity after a data transfer.
In one embodiment, described data communication content is transmitted with the XML form.
The utility model can guarantee that the stable of data obtains, and power consumption is little.
Description of drawings
Fig. 1 is the hardware structure block diagram of the utility model system.
Embodiment
A kind of electric power acquisition data supervisory control system, the data communication that it is based on a system bus is moved, comprise and connect the electric power data acquisition end 1 that is located on the described system bus and the electric power data transmitting terminal 2 of communicating by letter with it, wherein design described electric power data acquisition end 1 to gather the voltage variety of carrying data communication content on the described system bus, described electric power data acquisition end 1 comprises:
Several communication interface circuits 11 with described system bus electric coupling;
The feed-in circuit 12 that is electrically connected with described communication interface circuit 11 is in order to control its shake voltage when described communication interface circuit 11 detects the voltage variety signal;
The change-over circuit 13 that is electrically connected with described communication interface circuit 11 is in order to be converted to the voltage variety on the described system bus input signal;
Be attached to the filter circuit of pressure-stabilizing 14 of described change-over circuit 13; And
Be electrically connected the switching circuit 15 of described filter circuit of pressure-stabilizing 14, it obtains operating voltage by described system bus, in order to control the switch of described electric power data acquisition end 1 by controlling described filter circuit of pressure-stabilizing 14.
In one embodiment, described filter circuit of pressure-stabilizing 14 comprises capacitor.
In one embodiment, the control action of 15 pairs of described electric power data acquisition ends 1 of described switching circuit comprises described capacitor altogether or along with voltage bias signal of data transfer excitation.
In one embodiment, described electric power data acquisition end 1 further comprises an amplifying circuit 16 with filter circuit of pressure-stabilizing 14 electric coupling, in order to amplify described input signal; An and bistable circuit 17 being electrically connected of the output of amplifying circuit 16 therewith; Wherein said capacitor comprises at least one pair of capacitor that is series between described change-over circuit 13 and the amplifying circuit 16, and described switching circuit 15 comprises the switching device that is connected between described at least one pair of capacitor, be used for the described capacitor of control move commonly or to voltage bias signal of output input of described amplifying circuit 16.
In one embodiment, described switching circuit 15 is controlled described bistable circuit 17 and is produced a default polarity after a data transfer.
In one embodiment, described data communication content is transmitted with the XML form.
Claims (6)
1. electric power acquisition data supervisory control system, the data communication that it is based on a system bus is moved, comprise and connect the electric power data acquisition end that is located on the described system bus and the electric power data transmitting terminal of communicating by letter with it, wherein design described electric power data acquisition end to gather the voltage variety of carrying data communication content on the described system bus, it is characterized in that described electric power data acquisition end comprises:
Several communication interface circuits with described system bus electric coupling;
The feed-in circuit that is electrically connected with described communication interface circuit is in order to control its shake voltage when described communication interface circuit detects the voltage variety signal;
The change-over circuit that is electrically connected with described communication interface circuit is in order to be converted to the voltage variety on the described system bus input signal;
Be attached to the filter circuit of pressure-stabilizing of described change-over circuit; And
Be electrically connected the switching circuit of described filter circuit of pressure-stabilizing, it obtains operating voltage by described system bus, in order to control the switch of described electric power data acquisition end by controlling described filter circuit of pressure-stabilizing.
2. electric power acquisition data supervisory control system according to claim 1, it is characterized in that: described filter circuit of pressure-stabilizing comprises capacitor.
3. electric power acquisition data supervisory control system according to claim 2 is characterized in that: described switching circuit comprises described capacitor altogether or along with voltage bias signal of data transfer excitation the control action of described electric power data acquisition end.
4. electric power acquisition data supervisory control system according to claim 2 is characterized in that: described electric power data acquisition end further comprises an amplifying circuit with the filter circuit of pressure-stabilizing electric coupling, in order to amplify described input signal; An and bistable circuit being electrically connected of the output of amplifying circuit therewith; Wherein said capacitor comprises at least one pair of capacitor that is series between described change-over circuit and the amplifying circuit, and described switching circuit comprises the switching device that is connected between described at least one pair of capacitor, be used for the described capacitor of control move commonly or to voltage bias signal of output input of described amplifying circuit.
5. electric power acquisition data supervisory control system according to claim 4 is characterized in that: described switching circuit is controlled described bistable circuit and is produced a default polarity after a data transfer.
6. electric power acquisition data supervisory control system according to claim 1, it is characterized in that: described data communication content is transmitted with the XML form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165707 CN203151229U (en) | 2013-04-03 | 2013-04-03 | Monitoring system for electric power acquisition data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165707 CN203151229U (en) | 2013-04-03 | 2013-04-03 | Monitoring system for electric power acquisition data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203151229U true CN203151229U (en) | 2013-08-21 |
Family
ID=48978724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320165707 Expired - Lifetime CN203151229U (en) | 2013-04-03 | 2013-04-03 | Monitoring system for electric power acquisition data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203151229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199625A (en) * | 2013-04-03 | 2013-07-10 | 国家电网公司 | Electric power data collection monitoring system |
-
2013
- 2013-04-03 CN CN 201320165707 patent/CN203151229U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199625A (en) * | 2013-04-03 | 2013-07-10 | 国家电网公司 | Electric power data collection monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |