CN206697924U - The interim protection device of transmission line of electricity microcomputer - Google Patents
The interim protection device of transmission line of electricity microcomputer Download PDFInfo
- Publication number
- CN206697924U CN206697924U CN201720574984.3U CN201720574984U CN206697924U CN 206697924 U CN206697924 U CN 206697924U CN 201720574984 U CN201720574984 U CN 201720574984U CN 206697924 U CN206697924 U CN 206697924U
- Authority
- CN
- China
- Prior art keywords
- casing
- plug
- transmission line
- protection device
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model proposes the interim protection device of transmission line of electricity microcomputer.The interim protection device of transmission line of electricity microcomputer is provided with casing, and handle is housed on casing, and sign board is posted in the panel of casing, provided with display screen and button, is provided with backboard in box back surface, plug terminal is provided with backboard.In casing built with secondary circuit.The drawbacks of can avoiding electromagnetic type comprehensively using the utility model, compact, second loop return wiring is simple, and the precision that microcomputer is protected temporarily is very high, reflects that it is widely used in addition rapidly to failure.Suitably used as the interim protection device of transmission line of electricity.
Description
Technical field
The utility model proposes electro-mechanical arts to be used for the interim protection device of transmission line of electricity microcomputer.
Background technology
Because many 220kV transmission lines of electricity and 66kV transmission lines of electricity need technological transformation in transformer station, need to install additional before putting into operation
Interim protection, for the phase measurement to electric current, voltage, ensures the correct of phase, will not malfunction.Previously used faces
When protection be that overcurrent relay and auxiliary reclay etc. are grouped together application, volume is excessive, wiring complexity, and due to electromagnetism
The characteristic of property relay, precision be not high, it is difficult to ensures accuracy.
Utility model content
In order to be protected to circuit, the utility model proposes the interim protection device of transmission line of electricity microcomputer.The device leads to
Computer line design is crossed, solves the technical problem of circuit protection.
Scheme is used by the utility model solves technical problem：
The interim protection device of transmission line of electricity microcomputer is provided with casing, and handle is housed on casing, and mark is posted in the panel of casing
Will board, provided with display screen and button, backboard is provided with box back surface, plug terminal is provided with backboard.
In casing built with secondary circuit.
Secondary circuit includes power switch, inductance coil, exchanges plug-in unit, CPU card, power insert and logica board,
Wherein, it is connected by the power supply of power switch by inductance coil with exchange plug-in unit, exchanges in plug-in unit and be provided with and set
Electric current IA, IB, IC are equipped with, bottom is provided with IA ', IB ', IC ', and exchange plug-in unit is connected with CPU card；
In CPU card be provided with intake, pulse PQ, pair when and communication, signal reset and it is standby open into 24V output company
Connect, P, Q, COM and 24V output connection, COM connect with the output of 24V branch roads, and SYNA+ connects with pulse output, SYNA- and 24V
Branch road is connected, and RS485A+ and RS485A- are communicated by induction coil；
P+ and P- on power insert are connected with+KM and-KM respectively, and power insert is connected with logica board, is inserted in logic
F1 common segments, F2 tripping operations, standby, protection act and signal alarm are provided with part；
Tripping operation positive supply and tripping operation negative supply are provided with the outside of logica board, protection act and signal alarm are connected with instruction
Lamp.
CPU card and logica board signal communication.
Good effect, protect a variety of drawbacks that can avoid electromagnetic type comprehensively, compact, secondary returning temporarily using microcomputer
Road wiring is simple, and the precision that microcomputer is protected temporarily is very high, failure is reflected rapid, and it is widely used in addition, not only can be with
As the interim protection of 220kV circuits and 66kV circuits, the replacement protection of below 10kV voltage class, such as certain are also used as
The 10kV route protections of transformer station break down, and can not put into operation, now can protect portable microcomputer temporarily as replacing
Change, ensure the normal operation of this circuit, the safe for operation of transformer station will not be injured.In addition, this project protects microcomputer temporarily
Portable casing is installed additional, and the backboard wiring of microcomputer protecting device and the secondary circuit inside the casing progress of installation has been connected
Connect, also develop and produce special secondary circuit test wire, can meet that the mode of connection of all terminal blocks at this stage will
Ask.
Brief description of the drawings
Fig. 1 is the utility model casing figure；
Fig. 2 is the utility model back view；
Fig. 3 is the utility model circuit layout.
In figure, 1. casings, 2. handles, 3. sign boards, 4. display screens, 5. buttons, 6. backboards, 7. plug terminals, 8. power supplys
Switch, 9. inductance coils, 10. exchange plug-in units, 11.CPU plug-in units, 12. power inserts, 13. logica boards.
Embodiment
The interim protection device of transmission line of electricity microcomputer is provided with casing 1, and handle 2 is housed on casing, posted in the panel of casing
Sign board 3, provided with display screen 4 and button 5, backboard 6 is provided with box back surface, plug terminal 7 is provided with backboard.
In casing built with secondary circuit.
Secondary circuit includes power switch, inductance coil, exchanges plug-in unit, CPU card, power insert and logica board,
Wherein, it is connected by the power supply of power switch 8 by inductance coil 9 with exchange plug-in unit 10, exchanges and be provided with plug-in unit
And electric current IA, IB, IC are provided with, bottom is provided with IA ', IB ', IC ', and exchange plug-in unit is connected with CPU card 11；
In CPU card be provided with intake, pulse PQ, pair when and communication, signal reset and it is standby open into 24V output company
Connect, P, Q, COM and 24V output connection, COM connect with the output of 24V branch roads, and SYNA+ connects with pulse output, SYNA- and 24V
Branch road is connected, and RS485A+ and RS485A- are communicated by induction coil；
P+ and P- on power insert 12 are connected with+KM and-KM respectively, and power insert is connected with logica board, in logic
F1 common segments, F2 tripping operations, standby, protection act and signal alarm are provided with plug-in unit；
Tripping operation positive supply and tripping operation negative supply are provided with the outside of logica board 13, protection act and signal alarm are connected with finger
Show lamp.
CPU card and logica board signal communication.
Using microcomputer protecting device as interim protection, it is only necessary to carry out simple secondary circuit to microcomputer protecting device and connect
Line is with regard to that can meet it as the in need and functional requirement protected temporarily.In addition, having installed portable casing additional, and microcomputer is protected
The backboard wiring of protection unit is connected with the secondary circuit inside the casing progress installed additional, is also developed and is produced special secondary returning
Road test wire, the mode of connection of all terminal blocks at this stage can be met, at the same it is more safe and reliable.
By obtaining practical application among multinomial 220kV circuits manufacturing improvement engineering, and give full play to the role, make
220kV route protections smoothly put into operation after phase test is correct, and the protection temporarily of transmission line of electricity microcomputer, which is fully met, requires
When 10kV route protections break down, protection also quickly can be installed and used transmission line of electricity microcomputer temporarily, be made
Circuit can be quickly recovery power transmission, can as accident emergency rush to repair in interim protection, shorten the time of power failure, improve
Power supply reliability.
Casing portable microcomputer protection device terminal connection diagram
Claims (1)
1. the interim protection device of transmission line of electricity microcomputer, it is characterised in that：
The interim protection device of transmission line of electricity microcomputer is provided with casing（1）, handle is housed on casing（2）, posted in the panel of casing
Sign board（3）, provided with display screen（4）And button（5）, backboard is provided with box back surface（6）, plug terminal is provided with backboard
（7）；
In casing built with secondary circuit, secondary circuit includes power switch, inductance coil, exchanges plug-in unit, CPU card, power supply
Plug-in unit and logica board；
Wherein, power switch is passed through（8）Power supply pass through inductance coil（9）With exchanging plug-in unit（10）Connection, exchange and set in plug-in unit
Have and be provided with electric current IA, IB, IC, bottom is provided with IA ', IB ', IC ', exchanges plug-in unit and CPU card（11）Connection；
In CPU card be provided with intake, pulse PQ, pair when and communication, signal reset and it is standby open into 24V output connection,
P, Q, COM and 24V output connection, COM connect with the output of 24V branch roads, and SYNA+ connects with pulse output, SYNA- and 24V branch roads
Connection, RS485A+ and RS485A- are communicated by induction coil；
Power insert（12）On P+ and P- be connected respectively with+KM and-KM, power insert is connected with logica board, is inserted in logic
F1 common segments, F2 tripping operations, standby, protection act and signal alarm are provided with part；
In logica board（13）Outside is provided with tripping operation positive supply and tripping operation negative supply, and protection act and signal alarm are connected with instruction
Lamp；
CPU card and logica board signal communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574984.3U CN206697924U (en) | 2017-05-23 | 2017-05-23 | The interim protection device of transmission line of electricity microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574984.3U CN206697924U (en) | 2017-05-23 | 2017-05-23 | The interim protection device of transmission line of electricity microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697924U true CN206697924U (en) | 2017-12-01 |
Family
ID=60448649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720574984.3U Active CN206697924U (en) | 2017-05-23 | 2017-05-23 | The interim protection device of transmission line of electricity microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206697924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104419A (en) * | 2017-05-23 | 2017-08-29 | 国网辽宁省电力有限公司葫芦岛供电公司 | A kind of interim protection device of transmission line of electricity microcomputer |
-
2017
- 2017-05-23 CN CN201720574984.3U patent/CN206697924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104419A (en) * | 2017-05-23 | 2017-08-29 | 国网辽宁省电力有限公司葫芦岛供电公司 | A kind of interim protection device of transmission line of electricity microcomputer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206697924U (en) | The interim protection device of transmission line of electricity microcomputer | |
| CN102364350B (en) | Standby power source automatic put-in switching full group test method and device thereof | |
| CN203941198U (en) | A kind of portable cable fault Positioning Power device | |
| CN105355000A (en) | Power transformer state monitoring alarm device | |
| CN107104419A (en) | A kind of interim protection device of transmission line of electricity microcomputer | |
| CN103904610B (en) | Portable line protective devices | |
| CN203289150U (en) | Anti-thunder charger | |
| CN100576674C (en) | A kind of method and circuit breaker thereof that makes earth leakage protection without action dead region | |
| CN109039077A (en) | One kind being mountable to the intracorporal intrinsic safety electric source of increased safety case for explosion hazard area | |
| CN207319225U (en) | A kind of iic bus circuit with isolation features | |
| CN206992033U (en) | A kind of high-power surge protector with back-up protection switch | |
| CN205880099U (en) | Portable dress table connects electric detector | |
| CN208508795U (en) | One kind being mountable to the intracorporal intrinsic safety electric source of increased safety case for explosion hazard area | |
| CN204012682U (en) | Portable 220 kilovolt temporary protection devices | |
| CN202712770U (en) | Universal novel permanent magnetic anti-trip junction box | |
| CN207117178U (en) | A kind of signal Surge Protector | |
| CN203119446U (en) | Voltage type and current type electric leakage plug | |
| CN2544433Y (en) | Power supply socket with leakage and over current protection | |
| CN203733723U (en) | Electromagnetic anti-thunder leakage circuit breaker | |
| CN208806599U (en) | A kind of leakage circuit breakers circuit | |
| CN208337149U (en) | A kind of system that 6kV switch complex protection device independently transmits electric current | |
| CN209435208U (en) | ARM mainboard interface EMC protection circuitry | |
| CN206658133U (en) | A kind of intelligent motor protection supervisory equipment | |
| CN207475175U (en) | A kind of high-capacity and high-speed short-circuit protection | |
| CN206620342U (en) | The interior layout structure and its electrical system of a kind of emergency lighting case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |