CN208094282U - A kind of distribution power automation terminal - Google Patents
A kind of distribution power automation terminal Download PDFInfo
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- CN208094282U CN208094282U CN201820400434.4U CN201820400434U CN208094282U CN 208094282 U CN208094282 U CN 208094282U CN 201820400434 U CN201820400434 U CN 201820400434U CN 208094282 U CN208094282 U CN 208094282U
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- module
- signal
- acquisition module
- divide
- shut brake
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Abstract
The utility model is related to a kind of distribution power automation terminals, including main control chip, quantity of state acquisition module, instantaneous residual voltage block signal acquisition module, remote signalling amount acquisition module, time receiving module, divide-shut brake control output module and power management module, the quantity of state acquisition module is for acquiring circuit working condition amount signal；The instantaneous residual voltage block signal acquisition module is for acquiring instantaneous residual voltage block signal；The remote signalling amount acquisition module is for acquiring remote signalling amount signal；The time receiving module is used for acquisition time signal；The main control chip handles the signal acquired from above-mentioned module；The divide-shut brake control output module realizes that divide-shut brake acts under the control of main control chip；The power management module supplies electricity to each module.The utility model can be achieved with feeder automation independent of communication and background system；Once transient fault or permanent fault occurs in circuit, distribution power automation terminal can restore normal reach power supply in 1 minute.
Description
Technical field
The utility model is related to electric system power supply and distribution technical fields, are concretely a kind of distribution power automation terminals.
Background technology
Distribution power automation terminal has the function of remote signalling, remote control, telemetering and feeder automation, can be used for detecting opening on column
The equipment such as the switch of pass, looped network cabinet switch and switchgear house.However, distribution power automation terminal currently on the market does not have generally
Instantaneous residual voltage blocking function, or can also generate instantaneous residual voltage block signal function, nothing after having a power failure without distribution power automation terminal
Method really realizes feeder automation function, is made to circuit assessment, signal acquisition, fault detect, Fault Isolation and service restoration etc.
At influence.
Utility model content
For overcome the deficiencies in the prior art, it includes instantaneous residual voltage block signal that the purpose of this utility model, which is to provide a kind of,
The distribution power automation terminal of acquisition module realizes feeder automation.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of distribution power automation terminal, including main control chip, quantity of state acquisition module, instantaneous residual voltage block signal acquire mould
Block, remote signalling amount acquisition module, time receiving module, divide-shut brake control output module and power management module, the quantity of state are adopted
Collection module is for acquiring circuit working condition amount signal；The instantaneous residual voltage block signal acquisition module and quantity of state acquisition module
It is respectively connected with time receiving module, for acquiring instantaneous residual voltage block signal；The remote signalling amount acquisition module is distant for acquiring
Traffic signal；The time receiving module is used for acquisition time signal；What the main control chip processing was acquired from above-mentioned module
Signal；The divide-shut brake control output module realizes that divide-shut brake acts under the control of main control chip；The power management module
Supply electricity to each module.
Further, the quantity of state acquisition module includes current acquisition module and voltage acquisition module, the current acquisition
Module is for acquiring circuit operating current signal, and the voltage acquisition module is for acquiring line operating voltages signal.
Further, the instantaneous residual voltage block signal acquisition module includes comparator, the in-phase input end of the comparator
The rated voltage of line attachment as the reference voltage, voltage acquisition in the inverting input access state amount acquisition module of comparator
The collected line operating voltages of module are as signal voltage to be compared, when certain collected signal operating voltage of comparator is super
The 30% of rated voltage is crossed, and the collected epoch of time receiving module is more than 150ms, instantaneous residual voltage locking letter
It is instantaneous residual voltage block signal that number acquisition module, which acquires it,.
Further, the main control chip controls chip using the data-signal that DSP is combined with ARM.
Further, the remote signalling amount acquisition module is using DF3271A state-signal collection devices.
Further, the time receiving module includes clock chip and crystal oscillator, and the crystal oscillator provides oscillation for clock chip
Pulse.
Further, the divide-shut brake control output module includes control module and divide-shut brake relay, the control module
It is connect with main control chip, is realized that the divide-shut brake of divide-shut brake relay acts by master control chip controls.
The utility model has the beneficial effects that：The distribution power automation terminal of the utility model includes the acquisition of residual voltage block signal
Module can be achieved with feeder automation independent of communication and background system；Once there is transient fault or permanent in circuit
Failure, distribution power automation terminal can restore normal reach power supply in 1 minute；The distribution power automation terminal is having electricity or nothing
Instantaneous residual voltage block signal can be generated in the case of electricity, reach latch switch closing function.
Description of the drawings
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is the operation principle block diagram of the utility model.
Fig. 2 is the circuit connection diagram of the utility model.
Fig. 3 is the implementation process schematic diagram of the utility model.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with attached drawing to this practicality
Technical solution in new embodiment is clearly and completely described, it is clear that described embodiment is only the utility model
The embodiment of a part, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts should all belong to the model of the utility model protection
It encloses.
Referring to Fig.1, a kind of distribution power automation terminal, including the locking of main control chip 1, quantity of state acquisition module 2, instantaneous residual voltage
Signal acquisition module 3, remote signalling amount acquisition module 4, time receiving module 5, divide-shut brake control output module 6 and power management module
7,
The quantity of state acquisition module 2 includes current acquisition module and voltage acquisition module, and the current acquisition module is used
In acquisition circuit operating current signal, the voltage acquisition module is for acquiring line operating voltages signal；The quantity of state is adopted
Collection module 2 acquires circuit operating current signal and voltage signal and provides it to main control chip 1；
The instantaneous residual voltage block signal acquisition module 3 includes comparator, the in-phase input end tie-in line of the comparator
The rated voltage on road as the reference voltage, voltage acquisition module in the inverting input access state amount acquisition module 2 of comparator
Collected line operating voltages are as signal voltage to be compared, when certain collected signal operating voltage of comparator is more than volume
The 30% of constant voltage, and the collected epoch of time receiving module 5 is more than 150ms, instantaneous residual voltage block signal
It is instantaneous residual voltage block signal that acquisition module 3, which acquires it,；The instantaneous residual voltage block signal acquisition module 3 acquires mould with quantity of state
Block 2 and time receiving module 5 are respectively connected with, for acquiring instantaneous residual voltage block signal and providing it to main control chip 1；
The remote signalling amount acquisition module 4 is using DF3271A state-signal collection devices；The remote signalling amount acquisition module 4 is adopted
Collection remote signalling amount signal simultaneously provides it to main control chip 1；
The time receiving module 5 includes clock chip and crystal oscillator, and the clock chip realizes real-time timing, when crystal oscillator is
Clock chip provides oscillating impulse；The clock chip uses DS1302 clock chips；The time receiving module 5 records time letter
Number and provide it to main control chip 1；
The main control chip 1 controls chip using the data-signal that DSP is combined with ARM；The processing of the main control chip 1
Signal from above-mentioned module；
The divide-shut brake control output module 6 includes control module and divide-shut brake relay, the control module and master control
Chip 1 connects, and is controlled by main control chip 1 and realizes that divide-shut brake relay is acted；The divide-shut brake controls output module 6 in master control
Divide-shut brake action is realized under the control of chip 1；
The power management module 7 supplies electricity to each module, ensures each module normal work.
With reference to Fig. 2, on connection, the one power supply transformation of the side sides S of distribution power automation terminal (hereinafter referred to as RTU)
Device (hereinafter referred to as SPS) is connected to circuit, and the other side sides L of RTU are connected to circuit through another SPS, RTU also with it is true on circuit
Empty automatic distribution switch (hereinafter referred to as PVS) is connected.
What the quantity of state acquisition module 2 acquired is the operating voltage signal and current signal of circuit, can help RTU and
Shi Faxian line anomalies；The instantaneous residual voltage block signal acquisition module 3 finds instantaneous residual voltage block signal in time, realizes RTU
The sides S and/or the locking of the sides L, into row line isolation and service restoration；The circuit remote signalling amount letter that the remote signalling amount acquisition module 4 acquires
Number for the quantity of states letter such as the actuating signal of the collected relay protection of power system of RTU, status signal, the alarm signal of breaker
Number；The time receiving module 5 receives the sides RTU S and the power-on time of the sides L and the abnormal signal time of origin etc. of circuit.
With reference to Fig. 3, the feeder automation implementation process of the utility model is as follows：Under the control of RTU, the switching molding of PVS
Formula includes block switch and interconnection switch；Assuming that PVS1, PVS2, PVS3, PVS5 are block switch, PVS4 is interconnection switch, point
Section switch time delay is 7s, and interconnection switch delay is 45s, and interior switch controller (hereinafter referred to as FCB) reclosure time of standing is 5s；One
There is transient fault or permanent fault in denier circuit, and RTU can restore normal reach power supply in 1 minute.
When line failure, the time of be staggered by the RTU sides S and the power supply of the sides L；It is overlapped in the power-on time of the sides S
Failure then judges that failure in the sides S, starts instantaneous residual voltage locking；Reclosing failure then judges failure in L the power-on time of the sides L
Side starts instantaneous residual voltage locking；If during delay closes, the other side is also sent a telegram here, then starts the instantaneous residual voltage locking in both sides；Institute
It states instantaneous residual voltage block signal acquisition module 3 to be powered by power management module 7, not by circuit power failures, RTU is having electricity or nothing
Instantaneous residual voltage block signal can be acquired in the case of electricity, is handled through main control chip 1, and it is defeated that main control chip 1 controls divide-shut brake control
Go out module 6 and complete feed motion, realizes instantaneous residual voltage blocking function.
In conclusion above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that；It is still
Can technical scheme described in the above embodiments is modified, or equally replaced to being wherein no lack of technical characteristic
It changes, and these modifications or replacements, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (7)
1. a kind of distribution power automation terminal, it is characterised in that：Including main control chip (1), quantity of state acquisition module (2), instantaneous residual
Press off lock signal acquisition module (3), remote signalling amount acquisition module (4), time receiving module (5), divide-shut brake control output module (6)
With power management module (7), the quantity of state acquisition module (2) is for acquiring circuit working condition amount signal；It is described instantaneous residual
It presses off lock signal acquisition module (3) to be respectively connected with quantity of state acquisition module (2) and time receiving module (5), for acquiring wink
When residual voltage block signal；The remote signalling amount acquisition module (4) is for acquiring remote signalling amount signal；The time receiving module (5) is used
In acquisition time signal；The main control chip (1) handles the signal acquired from above-mentioned module；The divide-shut brake control output mould
Block (6) realizes that divide-shut brake acts under the control of main control chip (1)；The power management module (7) supplies electricity to each module.
2. a kind of distribution power automation terminal according to claim 1, it is characterised in that：The quantity of state acquisition module (2)
Including current acquisition module and voltage acquisition module, the current acquisition module is described for acquiring circuit operating current signal
Voltage acquisition module is for acquiring line operating voltages signal.
3. a kind of distribution power automation terminal according to claim 2, it is characterised in that：The instantaneous residual voltage block signal is adopted
It includes comparator to collect module (3), and the rated voltage of the in-phase input end line attachment of the comparator compares as the reference voltage
The collected line operating voltages of voltage acquisition module, which are used as, in the inverting input access state amount acquisition module (2) of device waits comparing
Compared with signal voltage, when certain collected signal operating voltage of comparator is more than the 30% of rated voltage, and time receiving module
(5) the collected epoch is more than 150ms, and it is instantaneous residual that instantaneous residual voltage block signal acquisition module (3), which acquires it,
Press off lock signal.
4. a kind of distribution power automation terminal according to claim 1, it is characterised in that：What the main control chip (1) used
It is the data-signal control chip that DSP is combined with ARM.
5. a kind of distribution power automation terminal according to claim 1, it is characterised in that：The remote signalling amount acquisition module (4)
Using DF3271A state-signal collection devices.
6. a kind of distribution power automation terminal according to claim 1, it is characterised in that：Time receiving module (5) packet
Clock chip and crystal oscillator are included, the crystal oscillator provides oscillating impulse for clock chip.
7. a kind of distribution power automation terminal according to claim 1, it is characterised in that：The divide-shut brake controls output module
(6) include control module and divide-shut brake relay, the control module is connect with main control chip (1), by main control chip (1) control
Realize the divide-shut brake action of divide-shut brake relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400434.4U CN208094282U (en) | 2018-03-23 | 2018-03-23 | A kind of distribution power automation terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400434.4U CN208094282U (en) | 2018-03-23 | 2018-03-23 | A kind of distribution power automation terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208094282U true CN208094282U (en) | 2018-11-13 |
Family
ID=64059746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820400434.4U Expired - Fee Related CN208094282U (en) | 2018-03-23 | 2018-03-23 | A kind of distribution power automation terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208094282U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635459A (en) * | 2019-10-17 | 2019-12-31 | 广西电网有限责任公司南宁供电局 | Double-path check residual voltage locking method and circuit |
| CN112067876A (en) * | 2020-07-23 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Automatic reset residual voltage pulse hardware detection circuit |
| CN112072607A (en) * | 2020-06-01 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Instantaneous voltage locking module for power distribution terminal |
-
2018
- 2018-03-23 CN CN201820400434.4U patent/CN208094282U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635459A (en) * | 2019-10-17 | 2019-12-31 | 广西电网有限责任公司南宁供电局 | Double-path check residual voltage locking method and circuit |
| CN112072607A (en) * | 2020-06-01 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Instantaneous voltage locking module for power distribution terminal |
| CN112067876A (en) * | 2020-07-23 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Automatic reset residual voltage pulse hardware detection circuit |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 |