CN201690212U - Intelligent release of circuit breaker - Google Patents
Intelligent release of circuit breaker Download PDFInfo
- Publication number
- CN201690212U CN201690212U CN2010201344225U CN201020134422U CN201690212U CN 201690212 U CN201690212 U CN 201690212U CN 2010201344225 U CN2010201344225 U CN 2010201344225U CN 201020134422 U CN201020134422 U CN 201020134422U CN 201690212 U CN201690212 U CN 201690212U
- Authority
- CN
- China
- Prior art keywords
- unit
- power supply
- output
- input
- circuit breaker
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides an intelligent release of a circuit breaker, which comprises a detecting unit (101), a rectifying unit (101), a sampling filtering and amplifying processing unit (102), a central processing unit (103), a releasing execution unit (104), a setting valve setting unit (105), a fault state display unit (106), a serial communication unit (107), a main power supply unit (108), a backup power supply unit (109) and a power conversion unit (110), wherein the main circuit current is converted into the weak current after the transformation and isolation of a current transformer; after the rectifying, sampling, filtering, amplifying and A/D converting of the current, the central processing unit compares the A/D converted value to the setting value through comprehensive setting, and sends out control command; meanwhile, after a tripping coil is broken, the backup power supply starts to supply power, the display unit can display the tripping fault, and the maintenance is convenient.
Description
Technical field
The utility model belongs to breaker technical field, specific design the circuit breaker intelligent electrical apparatus release.
Background technology
Intelligent electrical apparatus release is the intelligent monitoring unit of switchgear of new generation in the electric power system; release is the core monitoring and the control unit of circuit breaker; develop rapidly along with power electronic technology, microelectric technique, computer technology and the communication technology; the protective device of circuit breaker develops into the electronic type release that adopts integrated circuit by traditional electromagnetic type overcurrent release, the intelligent electrical apparatus release of band high-performance microprocessor so far occurred.
Traditional release major defect is: protective feature is imperfect, and the user choice is little, and release can't show the failure problems place after threading off simultaneously, and consequently the personnel of needing repairing take a long time and check the dropout reason.
The intelligent electrical apparatus release that has the fault Presentation Function of a new generation has adopted the modular construction design; integrate functions such as measurement, supervision, control, communication, protection, its function mainly contains current characteristics defencive function, voltage protection function, electric parameter measurement function and fault Presentation Function.
The utility model intelligent electrical apparatus release is considered from the aspect of production application, its key technology is furtherd investigate, conversion and isolation through current transformer, main circuit current is converted to weak current, adopt advanced analog circuit and digital circuit, sampling to this electric current, handle, amplify, filtering, after the analog-to-digital conversion, CPU compares the value of A/D conversion and the setting value of synthetic setting, send control command, release is accurately threaded off, and quick conversion diverter switch make the fault display part show guilty culprit after release is threaded off.
Summary of the invention
The purpose of this utility model: a kind of intelligent electrical apparatus release that the fault Presentation Function is arranged is provided, can after release is threaded off, have changed diverter switch fast and make the fault display part show guilty culprit.
The technical solution of the utility model: this novel intelligent release is by detecting unit (101), sampling filter unit (102), CPU (103), dropout performance element (104), setting value setup unit (105), malfunction display unit (106), serial communication unit (107), main power source power supply unit (108), reserve power supply unit (109), power conversion unit (110) is formed, it is characterized in that: the output of detecting unit (101) is connected with the input of sampling filter unit (102), the output of CPU (103) and malfunction display unit (106), the input of dropout performance element (104) is connected; The input of CPU (103) is connected with the output of sampling filter unit (102), setting value setup unit (105); Serial communication unit (107) is connected with CPU (103) input and output.
Described a kind of intelligent electrical apparatus release that the fault Presentation Function is arranged is characterized in that: described power conversion unit (110) comprises diverter switch (1101), diverter switch (1102), output monitoring and switch control unit (1103), output monitoring and switch control unit (1104);
The output of diverter switch (1101) is connected with the input of switch control unit (1103) with the output monitoring, the output monitoring is connected with the input of diverter switch (1102) with the output of switch control unit (1103), the output of diverter switch (1102) is connected with the input of switch control unit (1104) with the output monitoring, and the output monitoring is connected with the input of diverter switch (1101) with the output of switch control unit (1104).
Described a kind of intelligent electrical apparatus release that the fault Presentation Function is arranged is characterized in that: described main power source power supply unit (108) is by current transformer power supply.
Described a kind of intelligent electrical apparatus release that the fault Presentation Function is arranged is characterized in that: described malfunction display unit (106) is by main power source power supply unit (108) and the complementary power supply of reserve power supply unit (109).In design of the present utility model, the power supply of intelligent electrical apparatus release is provided by two kinds of power supplys: current transformer power supply, back-up source power supply.The switching principle of power supply of circuit instrument transformer and reserve power supply is that under the normal condition, current transformer power supply is given the entire circuit plate, back-up source power supply when breaking down.So the utlity model has the function that under back-up source is supported, shows the dropout fault, make after release is threaded off, can show it is the fault that causes owing to which kind of reason, be convenient to the attendant like this and understand the dropout reason.
The beneficial effect that the utility model is obtained is: after tripping coil breaks, back-up source begins power supply, display unit can show dropout failure problems place, the maintenance personal can check the dropout reason rapidly like this, convenient for maintaining, avoided taking off in the past mouthpart thread off after the personnel of needing repairing waste time and energy and search the trouble of reason.
Description of drawings
Fig. 1 intelligent electrical apparatus release hardware block diagram
Fig. 2 intelligent electrical apparatus release power supply switching flow figure
Embodiment
This intelligent electrical apparatus release hardware configuration wiring block diagram as shown in Figure 1, wherein, (101) are that detecting unit, (102) are that malfunction display unit, (107) for serial communication unit, (108) for main power source power supply unit, (109) be reserve power supply unit for dropout performance element, (105) for setting value setup unit, (106) for CPU, (104) for sampling filter unit, (103).(110) be that power conversion unit, (1101) are that output monitoring and switch control unit, (1104) are output monitoring and switch control unit for diverter switch, (1102) for diverter switch, (1103).
The output of detecting unit among the figure (101) is connected with the input of sampling filter unit (102), and the output of CPU (103) is connected with the input of malfunction display unit (106), dropout performance element (104); The input of CPU (103) is connected with the output of sampling filter unit (102), setting value setup unit (105); Serial communication unit (107) is connected with CPU (103) input and output.
The current transformer of intelligent electrical apparatus release by detecting unit (101) converts voltage, the current signal of main line to analog circuit can handle level signal, sampling filter unit (102) is then nursed one's health these signals, converts the accessible signal of CPU to.After CPU A/D conversion; CPU is carried out logical operation and processing to these digital signals; operation result and setting value are relatively exported the logic level signal that meets predetermined protective feature in the back; these signals are protected power consumption equipment timely and effectively through amplifying actuator's action that can directly drive release.
In the course of the work, the real time scan display module is also communicated by letter with host computer, can set setting value and monitor current value by host computer, detect the quality of tripping coil in real time, in case find the tripping coil broken string, then send warning, report to host computer by the serial communication unit.
Under back-up source is supported, show the function of dropout fault, make after release is threaded off to show it is, be convenient to the attendant like this and understand the dropout reason because which kind of fault has caused dropout.
This intelligent electrical apparatus release power supply switching principle block diagram is as shown in Figure 2: the power supply of the intelligent electrical apparatus release of the utility model design has two kinds, current transformer power supply, back-up source power supply; The former is a self-powered, and the latter is an accessory power supply.Output monitoring and switch control unit (1103), output monitoring and switch control unit (1104) are realized the redundancy backup function in this control system.Under the normal condition, current transformer power supply, when current transformer power supply breaks down, at first the output monitoring of current transformer power supply part can monitor at once, carry out switching controls simultaneously, make the diverter switch of back-up source power pack be in closure state, be in the reserve power supply unit of Hot Spare at once to power devices this moment, the output of disengagement failure unit simultaneously, the fault that plays after the dropout shows power supply.After current transformer power supply recovered just often, and the output of back-up source power pack detects and monitors, the startup diverter switch made current transformer begin power supply.
Claims (4)
1. circuit breaker intelligent electrical apparatus release, form by detecting unit (101), sampling filter unit (102), CPU (103), dropout performance element (104), setting value setup unit (105), malfunction display unit (106), serial communication unit (107), main power source power supply unit (108), reserve power supply unit (109), power conversion unit (110), it is characterized in that:
The output of detecting unit (101) is connected with the input of sampling filter unit (102), and the output of CPU (103) is connected with the input of malfunction display unit (106), dropout performance element (104); The input of CPU (103) is connected with the output of sampling filter unit (102), setting value setup unit (105); Serial communication unit (107) is connected with CPU (103) input and output.
2. circuit breaker intelligent electrical apparatus release according to claim 1 is characterized in that: described power conversion unit (110) comprises diverter switch (1101), diverter switch (1102), output monitoring and switch control unit (1103), output monitoring and switch control unit (1104);
The output of diverter switch (1101) is connected with the input of switch control unit (1103) with the output monitoring, the output monitoring is connected with the input of diverter switch (1102) with the output of switch control unit (1103), the output of diverter switch (1102) is connected with the input of switch control unit (1104) with the output monitoring, and the output monitoring is connected with the input of diverter switch (1101) with the output of switch control unit (1104).
3. circuit breaker intelligent electrical apparatus release according to claim 1 is characterized in that: described main power source power supply unit (108) is by current transformer power supply.
4. circuit breaker intelligent electrical apparatus release according to claim 1 is characterized in that: described malfunction display unit (106) is by main power source power supply unit (108) and the complementary power supply of reserve power supply unit (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201344225U CN201690212U (en) | 2010-03-18 | 2010-03-18 | Intelligent release of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201344225U CN201690212U (en) | 2010-03-18 | 2010-03-18 | Intelligent release of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201690212U true CN201690212U (en) | 2010-12-29 |
Family
ID=43378490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201344225U Expired - Fee Related CN201690212U (en) | 2010-03-18 | 2010-03-18 | Intelligent release of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201690212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856133A (en) * | 2011-06-29 | 2013-01-02 | 西门子公司 | Electric current supply device of tripping mechanism and circuit breaker and control method of electric current supply device |
| CN108074766A (en) * | 2016-11-16 | 2018-05-25 | 浙江正泰电器股份有限公司 | The trip unit and tripping method of breaker controller |
-
2010
- 2010-03-18 CN CN2010201344225U patent/CN201690212U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856133A (en) * | 2011-06-29 | 2013-01-02 | 西门子公司 | Electric current supply device of tripping mechanism and circuit breaker and control method of electric current supply device |
| CN102856133B (en) * | 2011-06-29 | 2015-04-29 | 西门子公司 | Electric current supply device of tripping mechanism and circuit breaker and control method of electric current supply device |
| CN108074766A (en) * | 2016-11-16 | 2018-05-25 | 浙江正泰电器股份有限公司 | The trip unit and tripping method of breaker controller |
| CN108074766B (en) * | 2016-11-16 | 2019-07-02 | 浙江正泰电器股份有限公司 | The trip unit and tripping method of breaker controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102355048B (en) | Intelligent dual-power automatic transfer switch and running method | |
| CN205103386U (en) | High accuracy special type power supply monitoring system | |
| CN202197145U (en) | Intelligent dual-power automatic transfer switch | |
| CN103022986A (en) | Digital line protection measuring and control device | |
| CN102981118B (en) | Breaker state monitoring system | |
| CN201690212U (en) | Intelligent release of circuit breaker | |
| CN201044352Y (en) | Intelligent minitype breaker | |
| CN202363966U (en) | Automatic switching device for emergency power supply | |
| CN204719920U (en) | DCS system tripping alarm device | |
| CN205941681U (en) | Direct-current voltage detection system for ESD in gas transmission station field | |
| CN205029421U (en) | Power supply switching device | |
| CN201392993Y (en) | DCS control module for nuclear power engineering transformer | |
| CN201298069Y (en) | Intelligent on-line battery patrol detector | |
| CN202679077U (en) | Intelligent power distribution cabinet remote control device | |
| CN204407871U (en) | Circuit breaker is the built-in protection module control circuit of changer controller more | |
| CN217587567U (en) | Transformer winding deformation on-line monitoring device | |
| CN201413981Y (en) | Protective device of power supply equipment in communication base station | |
| CN204271746U (en) | Automatic switching device of standby power supply | |
| CN102497015A (en) | Low voltage switchgear monitoring device | |
| CN202256616U (en) | Circuit breaker state monitoring system | |
| CN203225579U (en) | Switching device for automatic switchover of power supplies | |
| CN201541147U (en) | Direct current power supply system for substations | |
| CN202172265U (en) | Circuit breaker state monitoring system integrated into relay protection apparatus | |
| CN202583785U (en) | Security isolation and anti-interference structure of a PLC cabinet | |
| CN202014037U (en) | Demarcation switch cabinet for cable line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20140318 |