CN207690285U - Power distribution network data transmission system - Google Patents
Power distribution network data transmission system Download PDFInfo
- Publication number
- CN207690285U CN207690285U CN201820136209.4U CN201820136209U CN207690285U CN 207690285 U CN207690285 U CN 207690285U CN 201820136209 U CN201820136209 U CN 201820136209U CN 207690285 U CN207690285 U CN 207690285U
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- data
- resistance
- circuit
- operational amplifier
- relay
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 230000002159 abnormal effect Effects 0.000 claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 10
- 238000004458 analytical method Methods 0.000 abstract description 6
- 239000013307 optical fiber Substances 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The power distribution network data transmission system of the utility model, gathered data modulate circuit connects data comparison circuit, with being electrically cut off circuit, there is the problem of abnormal, to be not easy by timely analysis, processing to data comparison circuit in the current power dispatching data of effective solution for normal data transfer circuit, abnormal data respectively.The distribution network data of the utility model acquisition is filtered, is compared with threshold value after ratio enlargement, low level is exported when normal, triode Q1 conductings, relay K1 coils obtain electric, normally opened contact is closed, data transmission passes data to wireless module chip U1, by optical fiber ring network or GPRS/3G wireless private networks and is normally sent to distribution dispatch center data normal transmission；High level is exported when abnormal, trigger triode Q2 conducting, the flicker of red alarm lamp, relay K2 coils obtain electric, automatically cut off power distribution network panel switches, save distribution dispatch center receive data, analysis, processing time, energy timely processing, avoids the generation of accident.
Description
Technical field
The utility model is related to power distribution network security technology areas, especially power distribution network data transmission system.
Background technology
Power distribution network mainly applies 10KV substations, is directly related to citizen's Electrical Safety, prevailing transmission is deployed in power supply
Communication data between the distribution terminal of the distribution dispatching and monitoring and data collecting system and deployment of office at the scene, including data are adopted
The data such as collection, alarm, Stateful Inspection, remote control, power distribution network generally use industrial optical fiber looped network or GPRS/3G wireless private network conducts
Data transmission channel, the data that distribution dispatch center receives have certain time delay, and same time point obtains data and leads to
Frequently with the mode first handled first, once exception occurs in power dispatching data, it is not easy by timely analysis, processing.
Therefore the utility model provides a kind of new scheme to solve the problems, such as this.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide power distribution network data transmission system, effectively
It solves current power dispatching data and the problem of abnormal, to be not easy by timely analysis, processing occurs.
Its technical solution solved is, including gathered data modulate circuit, data comparison circuit, normal data transfer electricity
Road, abnormal data, which are matched, is electrically cut off circuit, which is characterized in that gathered data modulate circuit connects data comparison circuit, and data compare
Circuit respectively normal data transfer circuit, abnormal data with circuit is electrically cut off；
The normal data transfer circuit includes PNP type triode Q1, and the base stage of PNP type triode Q1 is connected by resistance R6
Connect the output end of operational amplifier A R2, AR3, the emitter connection ground of PNP type triode Q1, the collector of PNP type triode Q1
It is separately connected the anode of diode D1, one end of relay K1 coils, the cathode of diode D1, the other end of relay K1 coils
It is all connected with power supply+12V, the output end of the common end connection operational amplifier A R1 of relay K1, the normally opened contact of relay K1 connects
Connect the I/O mouths of the wireless module chip U1 of model CC2430；
Abnormal data includes NPN type triode Q2 with circuit is electrically cut off, and the base stage of NPN type triode Q2 is connected by resistance R6
Connect the output end of operational amplifier A R2, AR3, the emitter connection ground of NPN type triode Q2, the collector of NPN type triode Q2
It is separately connected the cathode of the anode of diode D1, one end of relay K1 coils, red alarm lamp LED1, diode D1's is negative
Pole, relay K1 coils the other end be all connected with power supply+12V, the anode of red alarm lamp LED1 by resistance R7 connections power supply+
The normally-closed contact string of 12V relays K2 is in panel switches.
Preferably, the gathered data modulate circuit includes data acquisition interface P1, and the pin 1 of data acquisition interface P1 connects
Power supply+5V, the connection of pin 2 ground of data acquisition interface P1 are met, the pin 2 of data acquisition interface P1 connects one end of inductance L1,
The other end of inductance L1 be separately connected one end of ground capacity C2, resistance R3 one end, resistance R3 the other end connection operation put
The in-phase input end of big device AR1, the inverting input of operational amplifier A R1 are separately connected one end of ground resistance R5, resistance R4
One end, the output end of the other end connection operational amplifier A R1 of resistance R4.
Preferably, the data comparison circuit includes operational amplifier A R2, AR3, the reverse phase of operational amplifier A R2, AR3
Input terminal is all connected with the output end of operational amplifier A R1, and the upper end of potentiometer RP1 is separately connected the adjustable end of potentiometer RP1, fortune
Calculate the in-phase input end of amplifier AR3, one end of resistance R5, the other end of resistance R5 connects power supply+5V, under potentiometer RP1
End is separately connected one end of the in-phase input end of operational amplifier A R3, resistance R4, the other end connection power supply+5V of resistance R4.
The beneficial effects of the utility model：1, the distribution network data of acquisition is filtered, is carried out with threshold value after ratio enlargement
Compare, low level is exported when normal, triode Q1 conductings, relay K1 coils obtain electric, normally opened contact closure, data transmission to nothing
Wire module chip U1 passes data by optical fiber ring network or GPRS/3G wireless private networks and is normally sent to distribution dispatch center,
Data normal transmission；2, high level, trigger triode Q2 conductings, the flicker of red alarm lamp, relay K2 coils are exported when abnormal
It is electric, automatically cut off power distribution network panel switches, save distribution dispatch center receive data, analysis, processing time, energy
Timely processing avoids the generation of accident.
Description of the drawings
Fig. 1 is the circuit link block figure of the utility model.
Fig. 2 is the circuit catenation principle figure of the utility model.
Specific implementation mode
For aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to figures 1 through
Fig. 2 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, power distribution network data transmission system, gathered data modulate circuit filter the distribution network data of acquisition
Wave, ratio enlargement enter data comparison circuit, and threshold value corresponding with the numerical value in normal range (NR) is compared, and is exported when normal low
Level triggers triode Q1 conductings in normal data transfer circuit, relay K1 coils obtain electric, normally opened contact closure, acquisition number
It is transmitted to the I/O mouths of the wireless module chip U1 of CC2430 according to modulate circuit output data, passes through optical fiber ring network or GPRS/3G
Wireless private network is sent to distribution dispatch center, and high level is exported when abnormal, and triggering abnormal data, which is matched, to be electrically cut off three in circuit
Pole pipe Q2 conducting, the flicker of red alarm lamp, relay K2 coils obtain electric, automatically cut off power distribution network panel switches, timely processing is kept away
Exempt from the generation of accident；The normal data transfer circuit is used to when the distribution network data of acquisition be normally data comparison circuit output
When low level, triode Q1 conductings, relay K1 coils obtain electric, normally opened contact closure, gathered data modulate circuit output data
The I/O mouths of the wireless module chip U1 of CC2430 are transmitted to, distribution is sent to by optical fiber ring network or GPRS/3G wireless private networks
Dispatch center, including PNP type triode Q1, data comparison circuit export low level through resistance R6 connection PNP type triodes
The base stage of Q1, since the emitter of PNP type triode Q1 connects ground, PNP type triode Q1 saturation conductions, collector potential is drawn
Low, relay K1 coils obtain electric, and normally opened contact is closed, and gathered data modulate circuit output data is transmitted to the wireless mould of CC2430
The I/O mouths of block chip U1；Abnormal data match be electrically cut off circuit for when acquire power distribution network data exception i.e. data comparison circuit
When exporting high level, triode Q2 conducting, the flicker of red alarm lamp, relay K2 coils obtain electric, automatically cut off panel switches, wrap
NPN type triode Q2 is included, data comparison circuit exports base stage of the high level through resistance R6 connection NPN type triodes Q2, due to NPN
The emitter connection ground of type triode Q2, NPN type triode Q2 saturation conductions, collector potential drag down, and power supply+12V and ground add
To the both ends of the warning circuit and relay K2 coils of red alarm lamp LED1, resistance R7 composition, red alarm lamp LED1 at this time
It flickers the normally-closed contact that alarm power dispatching data is abnormal while string is in panel switches repeat circuit K2 to disconnect, automatically cuts off and match
Electric switch.
Embodiment two, on the basis of embodiment one, the gathered data modulate circuit is used to carry out the data of acquisition
The pin 1 of filtering, ratio enlargement, including data acquisition interface P1, data acquisition interface P1 connect power supply+5V, and data acquisition connects
The connection of pin 2 ground of mouth P1, capacitance C1 is the power filtering capacitor of data acquisition interface P1, the external distribution network voltage acquired,
Pin 2 of the data such as electric current, power through data acquisition interface P1 exports, and the LC filter circuits through inductance L1, capacitance C2 compositions are filtered
Except the in-phase proportion amplifying circuit progress ratio for entering resistance R1, R2, R3, operational amplifier A R1 compositions after outside electromagnetic interference
Amplification, adjusting feedback resistance R3, resistance R1 adjust the multiple of ratio enlargement, are finally exported by operational amplifier A R1 output ends.
Embodiment three, on the basis of embodiment one, the data comparison circuit be used for the data value that will acquire with normally
The corresponding threshold value of numerical value in range is compared, and low level is exported when normal, high level, including operation amplifier are exported when abnormal
Device AR2, AR3, the inverting input of operational amplifier A R2, AR3 are all connected with the output end of operational amplifier A R1（Gathered data tune
Manage the output valve of circuit）, the in-phase input end of operational amplifier A R2, AR3 is respectively highest threshold value end and lowest threshold end, by
The bleeder circuit offer of resistance R4, resistance R5, potentiometer RP1 compositions, adjust the size of potentiometer RP1 adjustable thresholds, when anti-
When mutually input end value is between highest threshold value end and lowest threshold end, the output end of operational amplifier A R2, AR3 exports low level,
Conversely, when anti-phase input end value higher than highest threshold value end value or less than lowest threshold end value when, operational amplifier A R2, AR3 it is defeated
Outlet exports high level.
For the utility model when being used, the data such as distribution network voltage, electric current, power of outside acquisition are through data
Acquisition interface P1 output, enter after the LC filter circuits of inductance L1, capacitance C2 compositions filter out outside electromagnetic interference resistance R1,
The in-phase proportion amplifying circuit progress ratio enlargement of R2, R3, operational amplifier A R1 compositions, are transmitted to operational amplifier A R2, AR3
Inverting input be compared with in-phase input end highest threshold value end and lowest threshold end, when anti-phase input end value is in highest threshold
When being worth between end and lowest threshold end, the output end output low level of operational amplifier A R2, AR3, trigger triode Q1 conductings,
Relay K1 coils obtain electric, and normally opened contact is closed, the I/O of the wireless module chip U1 of the data transmission of ratio enlargement to CC2430
Mouthful, distribution dispatch center is sent to by optical fiber ring network or GPRS/3G wireless private networks, makes data normal transmission；Conversely,
When anti-phase input end value is higher than highest threshold value end value or less than lowest threshold end value, the output end of operational amplifier A R2, AR3
Export high level, trigger triode Q2 conducting, the flicker of red alarm lamp, relay K2 coils obtain electric, automatically cut off power distribution network and match
Electric switch, save distribution dispatch center receive data, analysis, processing time, can timely processing, avoid accident
Occur.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；For belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made by expand and operating method, data replacement, should all fall
Within scope of protection of the utility model.
Claims (3)
1. power distribution network data transmission system, including gathered data modulate circuit, data comparison circuit, normal data transfer circuit,
Abnormal data, which is matched, is electrically cut off circuit, which is characterized in that gathered data modulate circuit connects data comparison circuit, data comparison circuit
Normal data transfer circuit, abnormal data, which are matched, respectively is electrically cut off circuit；
The normal data transfer circuit includes PNP type triode Q1, and the base stage of PNP type triode Q1 is transported by resistance R6 connections
Calculate the output end of amplifier AR2, AR3, the emitter connection ground of PNP type triode Q1, the collector difference of PNP type triode Q1
The anode of diode D1, one end of relay K1 coils are connected, the cathode of diode D1, the other end of relay K1 coils connect
Connect power supply+12V, the output end of the common end connection operational amplifier A R1 of relay K1, the normally opened contact connecting-type of relay K1
Number for CC2430 wireless module chip U1 I/O mouths；
Abnormal data includes NPN type triode Q2 with circuit is electrically cut off, and the base stage of NPN type triode Q2 is transported by resistance R6 connections
Calculate the output end of amplifier AR2, AR3, the emitter connection ground of NPN type triode Q2, the collector difference of NPN type triode Q2
Connect the cathode of the anode of diode D1, one end of relay K1 coils, red alarm lamp LED1, the cathode of diode D1, after
The other end of electric appliance K1 coils is all connected with power supply+12V, the anode of red alarm lamp LED1 by resistance R7 connection power supply+12V after
The normally-closed contact string of electric appliance K2 is in panel switches.
2. power distribution network data transmission system according to claim 1, which is characterized in that the gathered data modulate circuit packet
Data acquisition interface P1 is included, the pin 1 of data acquisition interface P1 connects power supply+5V, and the pin 2 of data acquisition interface P1 connects
Ground, the pin 2 of data acquisition interface P1 connect one end of inductance L1, and the other end of inductance L1 is separately connected the one of ground capacity C2
It holds, one end of resistance R3, the in-phase input end of the other end connection operational amplifier A R1 of resistance R3, operational amplifier A R1's is anti-
Phase input terminal be separately connected one end of ground resistance R5, resistance R4 one end, the other end connection operational amplifier A R1 of resistance R4
Output end.
3. power distribution network data transmission system according to claim 1, which is characterized in that the data comparison circuit includes fortune
Amplifier AR2, AR3 are calculated, the inverting input of operational amplifier A R2, AR3 is all connected with the output end of operational amplifier A R1, current potential
The upper end of device RP1 be separately connected the adjustable end of potentiometer RP1, the in-phase input end of operational amplifier A R3, resistance R5 one end,
The other end of resistance R5 connects power supply+5V, and the lower end of potentiometer RP1 is separately connected the in-phase input end of operational amplifier A R3, electricity
Hinder one end of R4, the other end connection power supply+5V of resistance R4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136209.4U CN207690285U (en) | 2018-01-26 | 2018-01-26 | Power distribution network data transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136209.4U CN207690285U (en) | 2018-01-26 | 2018-01-26 | Power distribution network data transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207690285U true CN207690285U (en) | 2018-08-03 |
Family
ID=62990514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820136209.4U Expired - Fee Related CN207690285U (en) | 2018-01-26 | 2018-01-26 | Power distribution network data transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207690285U (en) |
-
2018
- 2018-01-26 CN CN201820136209.4U patent/CN207690285U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20190126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |