CN205679738U - Breaker on-line monitoring and diagnostic system based on DSP - Google Patents
Breaker on-line monitoring and diagnostic system based on DSP Download PDFInfo
- Publication number
- CN205679738U CN205679738U CN201620160296.8U CN201620160296U CN205679738U CN 205679738 U CN205679738 U CN 205679738U CN 201620160296 U CN201620160296 U CN 201620160296U CN 205679738 U CN205679738 U CN 205679738U
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- Prior art keywords
- breaker
- host computer
- control
- diagnostic system
- line monitoring
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Keying Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of breaker on-line monitoring based on DSP and diagnostic system, its composition includes: monitoring host computer, host computer, breaker, it is characterized in that: described monitoring host computer is connected with host computer by RS/232 interface, described monitoring host computer a pair current transducer respectively connects, described monitoring host computer is connected with acceleration transducer, a pair described current transducer one of them be connected with current transformer on breaker, another and acceleration transducer in a pair described current transducer are connected with operating mechanism.Graphite nozzle measuring unit of the present utility model can complete the monitoring task of graphite fracture accurately, breaker on-line monitoring can be on the basis of analyzing breaker historical data with diagnostic system, and provide early warning information and the measure that should take, the hidden danger of fault is preferably minimized limit, breaker can carry out unified management belonging to transformer station, thus alleviate the numerous and diverse daily management task of numerous breaker, improve efficiency and the level of circuit breaker management.
Description
Technical field
The utility model relates to a kind of power circuit breaker monitoring diagnosis system, is specifically related to a kind of breaker based on DSP
On-line monitoring and diagnostic system, belong to technical field of electric power.
Background technology
Primary cut-out is a kind of power equipment the most key in device for switching as insulation and arc-control device.Normal fortune
It during row, is used for carrying out switching the method for operation, as required power equipment or circuit is accessed circuit or make it out of service, when setting
Can quickly excise again during standby or line failure, it is ensured that other Partial securities are properly functioning, and it plays control in electric power
With the double action of protection, the quality of its duty directly affects the safety of power system and reliable.
But in power system, primary cut-out is again that quantity is many, maintenance amount maximum, equipment costly.Transformer station ties up
More than half protecting expense is used on primary cut-out, and the overhaul of breaker is disintegrated completely, expense of both having lost time and high,
And disintegrate and ressemble and can cause much new fault.
Therefore this is accomplished by breaker on-line monitoring and reliably can connect primary cut-out for a long time with diagnostic system
Continuous monitoring, and carry out to relevant operation parameters and data showing, record preservation and process, ring can be run in conjunction with primary cut-out
Border and the running status to primary cut-out for the historical data information make assessment and necessary prediction etc. in time, and the utility model sets
Count a kind of breaker on-line monitoring based on DSP and diagnostic system, on-line monitoring and diagnosis are carried out to primary cut-out, it is ensured that its
Normally run smoothly, the relevant parameter such as moment monitor fault message, in order to break down and deal with in time.
Utility model content
In order to solve the problem of above-mentioned existence, the utility model provides a kind of breaker on-line monitoring based on DSP and examines
Disconnected system.
The technical solution of the utility model is:
A kind of breaker on-line monitoring based on DSP and diagnostic system, its composition includes: monitoring host computer, host computer, open circuit
Device, is characterized in that: described monitoring host computer is connected with host computer by RS/232 interface, described monitoring host computer respectively with a pair
Current transducer connect, described monitoring host computer is connected with acceleration transducer, the pair of current transducer one of them and
On breaker, current transformer connects, and another in the pair of current transducer connects with operating mechanism with acceleration transducer
Connect.
As preferably, described monitoring host computer includes central control processing unit, and described central control processing unit divides
Not with time measuring unit, graphite nozzle measuring unit, formation measuring unit, power-supply system, general-purpose simulation phasor measurement unit, perseverance
Stream source subsystem, control output unit, outer synchronizing shaft enter output, hardware output system connects.
As preferably, described central control processing unit uses TSM320LF2407DSP chip, described hardware output
System includes keyboard, display screen and printer.
As preferably, the effect of described time measuring unit is used to measurement breaker control instruction and sends rear breaker
Response time, including main fracture, the actuation time of switching-on resistance, also can measure the auxiliary in the control loop of breaker simultaneously
The actuation time of contact, for the actuation time of measurement fracture, only need to add a voltage source on loop, if there being electric current just
It is that fracture is connected, otherwise disconnects, distinguish switching-on resistance and the size being through loop current value actuation time of main fracture is come
Distinguishing, the contact for control loop can be distinguished by detecting voltage difference.
As preferably, described control output unit uses electronic switch, and 3 point 1 is closed 4 tunnel outputs, and every road is maximum by electricity
Stream 30A, pressure up to 500V, in order to ensure that output voltage is less than 250V, output contact transient suppressor is protected, often
Road uses a Phototube Coupling power supply and a hand switch, makes the control pole of electronic switch and the driving signal isolation of CPU, makes
Used time control output contact is directly connected on the control loop of breaker, the sub-switching operation of control breaker, can complete to disconnected
Road device point, close, close-point, oco；And the single-pole reclosing of A, B, C, oco-conjunction-point operation circulation, and root
According to the delay time value setting, send various separating brake or order of closing a floodgate in the time setting.
Compared with prior art, effect of the present utility model with effect is: graphite nozzle of the present utility model measurement is single
Unit can complete the monitoring task of graphite fracture accurately, and breaker on-line monitoring can be gone through analyzing breaker with diagnostic system
On the basis of history data, and provide early warning information and the measure that should take, the hidden danger of fault is preferably minimized limit, can be to change
Breaker belonging to power station carries out unified management, thus alleviates the numerous and diverse daily management task of numerous breaker, improves open circuit
The efficiency of device management and level.
Brief description
Fig. 1 is system of the present utility model composition schematic diagram；
Detailed description of the invention
With detailed description of the invention, the utility model is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of breaker on-line monitoring based on DSP and diagnostic system, its composition includes: monitoring host computer is the 5th,
Host computer the 10th, breaker, monitoring host computer 5 is connected with host computer 10 by RS/232 interface 9, monitoring host computer 5 a pair electric current respectively
Transmitter connects, and monitoring host computer 5 is connected with acceleration transducer 1, electric current on a pair current transducer one of them and breaker 3
Transformer connects, and another in a pair current transducer 2 is connected with operating mechanism with acceleration transducer 1, and monitoring host computer 5 wraps
Including central control processing unit 6, central control processing unit 6 is respectively with time measuring unit the 4th, graphite nozzle measuring unit the 19th,
Form measuring unit the 18th, power-supply system the 17th, general-purpose simulation phasor measurement unit the 16th, constant-current source subsystem and the 15th, control output unit the 14th,
Outer synchronizing shaft enters output the 8th, hardware output system 7 and connects, and includes circuit breaker management system 11 system, fault diagnosis system in host computer 10
12nd, the 20th, emergent treatment system shows print system 13, and central control processing unit 6 uses TSM320LF2407DSP chip, firmly
Part output system 7 includes keyboard, display screen and printer, and the effect of time measuring unit 4 is used to measurement breaker control and refers to
Order sends the response time of rear breaker, including main fracture, the actuation time of switching-on resistance, also can measure breaker simultaneously
Actuation time of auxiliary contact in control loop, for the actuation time of measurement fracture, only need to add an electricity on loop
Potential source, if there being electric current to be exactly that fracture is connected, otherwise disconnecting, distinguishes switching-on resistance and be through back the actuation time of main fracture
The size of road current value is distinguished, and the contact for control loop can be distinguished by detecting voltage difference, controls output unit
14 employing electronic switches, 3 point 1 is closed 4 tunnel outputs, the maximum electric current 30A that passes through in every road, pressure up to 500V, in order to ensure output electricity
Pressure is less than 250V, and output contact transient suppressor protects, and every road uses a Phototube Coupling power supply and one manually
Switch, makes the control pole of electronic switch and the driving signal isolation of CPU, controls output contact and be directly connected to breaker during use
Control loop on, control breaker sub-switching operation, can complete to breaker point, close, close-point, oco.And A,
The single-pole reclosing of B, C, oco-close-grade various operation circulation, it is possible to according to the delay time value setting, flexibly
Ground sends various separating brake or order of closing a floodgate in the time setting, and general-purpose simulation phasor measurement unit 16 is the measurement breaker actuation time
The waveform of associated analog signal, including stroke, speed, coil current, loop voltage, the machinery in order to analyze breaker is special
Property.
Above by the introduction to described embodiment, elaborate general principle of the present utility model and design.But this reality
Be not limited to embodiment described above with novel, every similar change made based on the technical solution of the utility model and
Improve, in the range of these changes and improvements both fall within claimed the utility model.The utility model claim scope by
Appending claims and equivalent thereof define.
Claims (5)
1. breaker on-line monitoring and the diagnostic system based on DSP, its composition includes: monitoring host computer (5), host computer
(10), breaker, is characterized in that: described monitoring host computer (5) is connected with host computer (10) by RS/232 interface (9), described
Monitoring host computer (5) be connected with a pair current transducer respectively, described monitoring host computer (5) is connected with acceleration transducer (1),
One of them current transformer upper with breaker (3) of the pair of current transducer is connected, in the pair of current transducer (2)
Another and acceleration transducer (1) be connected with operating mechanism.
2. the breaker on-line monitoring based on DSP according to claim 1 and diagnostic system, is characterized in that: described prison
Control main frame (5) include central control processing unit (6), described central control processing unit (6) respectively with time measuring unit
(4), graphite nozzle measuring unit (19), formation measuring unit (18), power-supply system (17), general-purpose simulation phasor measurement unit
(16), constant-current source subsystem (15), control output unit (14), outer synchronizing shaft enter output (8), hardware output system (7) connection.
3. the breaker on-line monitoring based on DSP according to claim 2 and diagnostic system, is characterized in that: in described
Centre control processing unit (6) uses TSM320LF2407DSP chip, and described hardware output system (7) includes keyboard, display screen
And printer.
4. the breaker on-line monitoring based on DSP according to claim 2 and diagnostic system, is characterized in that: when described
Between the effect of measuring unit (4) be used to measure the response time that breaker control instruction sends rear breaker, including main fracture,
The actuation time of switching-on resistance, also can measure the actuation time of the auxiliary contact in the control loop of breaker, for survey simultaneously
The actuation time of amount fracture, only need to adding a voltage source on loop, if there being electric current to be exactly that fracture is connected, otherwise disconnecting,
Distinguish switching-on resistance and the size being through loop current value actuation time of main fracture is distinguished, control loop is connect
Point can be distinguished by detecting voltage difference.
5. the breaker on-line monitoring based on DSP according to claim 2 and diagnostic system, is characterized in that: described control
Output unit processed (14) uses electronic switch, and 3 point 1 is closed 4 tunnel outputs, and the maximum electric current 30A that passes through in every road is pressure up to 500V, is
Guarantee output voltage is less than 250V, and output contact transient suppressor is protected, and every road uses Phototube Coupling electricity
Source and a hand switch, make the control pole of electronic switch and the driving signal isolation of CPU, control output contact direct during use
Receive on the control loop of breaker, control breaker sub-switching operation, can complete to breaker point, close, close-point, point-
Close-point；And the single-pole reclosing of A, B, C, oco-conjunction-point operation circulation, and according to set delay time value,
The time setting sends various separating brake or order of closing a floodgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160296.8U CN205679738U (en) | 2016-03-02 | 2016-03-02 | Breaker on-line monitoring and diagnostic system based on DSP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160296.8U CN205679738U (en) | 2016-03-02 | 2016-03-02 | Breaker on-line monitoring and diagnostic system based on DSP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679738U true CN205679738U (en) | 2016-11-09 |
Family
ID=57438266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620160296.8U Expired - Fee Related CN205679738U (en) | 2016-03-02 | 2016-03-02 | Breaker on-line monitoring and diagnostic system based on DSP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019183851A1 (en) * | 2018-03-28 | 2019-10-03 | Abb Schweiz Ag | Apparatus and method for fault diagnosis for circuit breaker |
| CN110429556A (en) * | 2019-07-04 | 2019-11-08 | 天津市中力神盾电子科技有限公司 | Breaker opening and closing event recording method and system |
| CN110702401A (en) * | 2019-11-15 | 2020-01-17 | 广州供电局有限公司 | 10kV circuit breaker mechanical characteristic on-line monitoring device based on acceleration sensor |
-
2016
- 2016-03-02 CN CN201620160296.8U patent/CN205679738U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019183851A1 (en) * | 2018-03-28 | 2019-10-03 | Abb Schweiz Ag | Apparatus and method for fault diagnosis for circuit breaker |
| CN110429556A (en) * | 2019-07-04 | 2019-11-08 | 天津市中力神盾电子科技有限公司 | Breaker opening and closing event recording method and system |
| CN110702401A (en) * | 2019-11-15 | 2020-01-17 | 广州供电局有限公司 | 10kV circuit breaker mechanical characteristic on-line monitoring device based on acceleration sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: 706, room 8, 200336 Tian Shan Road, Shanghai, Changning District Patentee after: Shanghai Quzhou Intelligent Technology Co Ltd Address before: 310003 Xinhua Road City, Zhejiang Province, No. 266, room, No. 410 Patentee before: Hangzhou Zhiren Construction Engineering Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20190302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |