CN2543070Y - Power-supply network electricity collecting terminal - Google Patents
Power-supply network electricity collecting terminal Download PDFInfo
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- CN2543070Y CN2543070Y CN 02212608 CN02212608U CN2543070Y CN 2543070 Y CN2543070 Y CN 2543070Y CN 02212608 CN02212608 CN 02212608 CN 02212608 U CN02212608 U CN 02212608U CN 2543070 Y CN2543070 Y CN 2543070Y
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Abstract
The utility model relates to a signal device, comprising a main oscillator circuit, a pulse signal input circuit, a real time clock and calendar circuit, a signal processing and storage circuit, a signal output circuit. The pulse signal input circuit is connected with the input end of the signal processing and storage circuit; the main oscillator circuit is connected with the clock signal input end of the signal processing and storage circuit; the real time clock and calendar circuit is connected with the interruption input end of the signal processing and storage circuit; the signal output circuit is connected with the output end of the signal processing and storage circuit. The utility model transmits signals to a main station treatment terminal, which can automatically and correctly judge the measure fault and the time and place when and where electric stolen behavior happens, thereby ensuring the electric managers to master the operation of network loads in time.
Description
Technical field
The utility model relates to a kind of telltale.Be a kind of supply network electric quantity acquisition terminal specifically.
Technical background
In recent years, some unprincipled fellows stole State Grid's resource rampantly under the ordering about of interests, caused the line loss severe overweight of some circuits, caused unnecessary loss for country and enterprise.Appearance along with the technology electricity filching means, electricity filching behavior has more disguise and randomness, adds power consumer than reasons such as dispersions, the electricity filching behavior that exists in the very difficult discovery in time of the managerial personnel network, more existing precautionary measures mostly are passive strick precautions, can not find electricity filching behavior at any time.
In order to alleviate managerial personnel's labour intensity, electric power system is widelyd popularize long-distance meter-reading system now, the power consumption that managerial personnel can be shown to the electric supply meter " seeing " under the home-confined situation is that 97251424 " powerline remote meter reading table end device " and application number are 98202278 " remote automatic meter reading device " as application number.But whether these long-distance meter-reading systems with the power consumption of explicit user ammeter, can not exist metering fault and electricity filching behavior to judge to the user only.
Technology contents
The purpose of this utility model provides a kind of supply network electric quantity acquisition terminal, this terminal and main website processing terminal are that the twisted-pair feeder of standard carries out the signal transmission by power carrier or RS-485 interface, can judge the when and where that metering fault, electricity filching behavior take place automatically and accurately, calculate the quantity of electric quantity loss, make management of power use personnel can grasp network load ruuning situation timely.
For achieving the above object, the utility model adopts following technical scheme:
A kind of supply network electric quantity acquisition terminal described in the utility model comprises king oscillator circuit, pulse signal input circuit, real-time clock calendar circuit, signal Processing and memory circuit, signal output apparatus, pulse signal input circuit is connected the input end of signal Processing and memory circuit, the king oscillator circuit is connected the clock signal input terminal of signal Processing and memory circuit, real-time clock calendar circuit is connected the interrupting input end of signal Processing and memory circuit, and signal output apparatus is connected the output terminal of signal Processing and memory circuit.
Above-mentioned pulse signal input circuit is the filtering circuit that is made of resistance and electric capacity.
Above-mentioned signal output apparatus is the RS-485 interface circuit.
After adopting technique scheme, a kind of supply network electric quantity acquisition terminal described in the utility model and main website processing terminal are that the twisted-pair feeder of standard carries out the signal transmission by power carrier or RS-485 interface, can gather the multiple parameter of supply network, the electric weight time distribution parameter that comprises each stoichiometric point, grid line loss rate time distribution parameter, network line loss amount time distribution parameter, network line loss amount and the compound comparative parameter of each stoichiometric point electric weight, line loss per unit parameter etc., by comparative analysis, can judge metering fault automatically and accurately, the when and where that electricity filching behavior takes place, calculate the quantity of electric quantity loss, make management of power use personnel can grasp network load ruuning situation timely.
Description of drawings
Accompanying drawing is the electrical schematic diagram of an embodiment of the present utility model.
Specific embodiment
As shown in drawings, a kind of supply network electric quantity acquisition terminal described in the utility model comprises king oscillator circuit 1, pulse signal input circuit 2, real-time clock calendar circuit 21, signal Processing and memory circuit 3, signal output apparatus 4, pulse signal input circuit 2 is connected the input end of signal Processing and memory circuit 3, king oscillator circuit 1 is connected the clock signal input terminal of signal Processing and memory circuit 3, real-time clock calendar circuit 2 is connected the interrupting input end of signal Processing and memory circuit 3, and signal output apparatus 4 is connected the output terminal of signal Processing and memory circuit 3.Signal output apparatus 4 is RS-485 interface circuits.Pulse signal MC0---the MC4 of 5 road electric energy meters output, the filtering signal input circuit that---RRA9 and capacitor C RA0---CRA9 forms respectively via resistance R RA0, be input to port RA0---the RA4 of integrated circuit (IC) 1 after the filtering interfering noise signal, integrated circuit (IC) 1 has constituted signal Processing and memory circuit 3, the pulse of 1 pair of 5 port of integrated circuit (IC) is counted and is handled, and is kept in 5 different memory banks after reverting to the actual electrical numerical quantity.The 6th foot mouth RB0 of integrated circuit (IC) 1 connects the interruption output of real-time clock, calendar chip IC3, real-time clock, calendar chip IC3 have constituted real-time clock calendar circuit 21, according to system's setting, real-time clock, calendar chip IC3 send look-at-me by the 3rd pin to the port RB0 of integrated circuit (IC) 1 constantly in the predetermined data circulation, after integrated circuit (IC) 1 detects look-at-me, by the I that constitutes by 10 pin RB4,11 pin RB5
2The C bus is to real-time clock, calendar chip IC3 extraction time numerical value, and respectively 5 charge values deposited in the sheet in the data storing body titled with time tag.The 7th pin of integrated circuit (IC) 1, the 8th pin, the 9th pin, the 13rd pin constitute the data communication with the RS-485 interface chip, and wherein: D1 is the data inputs, and R0 is the data outputs, and DE, RE are respectively data and receive control and send out control.System host is connected with the RS-485 port by communication line or communication facilities, has constituted and the communicating by letter of electric quantity data acquisition terminal.After integrated circuit (IC) 1 received signal, send the electric quantity data of each of section to the RS-485 port according to the requirement of system host cycling time.In order to guarantee the accuracy of data analysis, each datacycle system host constantly sends correcting delay signal to data collection station, after integrated circuit (IC) 1 receives correcting delay signal, by the I that is made up of port RB4, RB5
2The C bus sends correcting delay signal to real-time clock, calendar chip IC3.
Other circuit parts: D1-1, R1-1, C1-3 form the electrify restoration circuit of integrated circuit (IC) 1.XT1, C1-1, C1-2 form the main vibration circuit of integrated circuit (IC) 1.
Port RB6, the RRB6 of integrated circuit (IC) 1, DRB6 form the duty monitoring circuit of integrated circuit (IC) 1.
C2-1, C2-2, XT2, R2-1, R2-2 form the main vibration circuit of real-time clock, calendar chip IC3.
The model of each integrated circuit: IC1:PIC16F84IC2:65LBC184IC3:X1203
Claims (3)
1, a kind of supply network electric quantity acquisition terminal, it is characterized in that: it comprises king oscillator circuit (1), pulse signal input circuit (2), real-time clock calendar circuit (21), signal Processing and memory circuit (3), signal output apparatus (4), pulse signal input circuit (2) is connected the input end of signal Processing and memory circuit (3), king oscillator circuit (1) is connected the clock signal input terminal of signal Processing and memory circuit (3), real-time clock calendar circuit (21) is connected the interrupting input end of signal Processing and memory circuit (3), and signal output apparatus (4) is connected the output terminal of signal Processing and memory circuit (3).
2, a kind of supply network electric quantity acquisition terminal according to claim 1, it is characterized in that: described pulse signal input circuit (2) is the filtering circuit that is made of resistance and electric capacity.
3, a kind of supply network electric quantity acquisition terminal according to claim 1, it is characterized in that: described signal output apparatus (4) is the RS-485 interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212608 CN2543070Y (en) | 2002-02-04 | 2002-02-04 | Power-supply network electricity collecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212608 CN2543070Y (en) | 2002-02-04 | 2002-02-04 | Power-supply network electricity collecting terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2543070Y true CN2543070Y (en) | 2003-04-02 |
Family
ID=33692258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02212608 Expired - Fee Related CN2543070Y (en) | 2002-02-04 | 2002-02-04 | Power-supply network electricity collecting terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2543070Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359540C (en) * | 2004-12-24 | 2008-01-02 | 华为技术有限公司 | Circuit for colleting alarming signals |
-
2002
- 2002-02-04 CN CN 02212608 patent/CN2543070Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359540C (en) * | 2004-12-24 | 2008-01-02 | 华为技术有限公司 | Circuit for colleting alarming signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |