CN203481778U - Auto-reclosing intelligent breaker - Google Patents
Auto-reclosing intelligent breaker Download PDFInfo
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- CN203481778U CN203481778U CN201320597883.XU CN201320597883U CN203481778U CN 203481778 U CN203481778 U CN 203481778U CN 201320597883 U CN201320597883 U CN 201320597883U CN 203481778 U CN203481778 U CN 203481778U
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- module
- intelligent breaker
- automatic reclosing
- breaker
- control unit
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Abstract
The utility model relates to an auto-reclosing intelligent breaker including a power supply, a three-phase AC sampling module, a motor opening and closing drive module, a shunt opening and releasing module, a system setting module, an LCD display module, and a CPU master control unit, wherein the CPU master control unit receives the output signal from the three-phase AC sampling module, executes system control strategies based on the motion threshold, the motion delay time, and the reclosing time set by the system setting module, and outputs control signals to the motor opening and closing drive module and the shunt opening and releasing module. According to the branch position of the breaker in a power distribution network, the motion threshold, the motion delay time, and the reclosing time for fault protection can be set artificially, the CPU master control unit executes the system control strategies (namely, starting successively after the releasing) based on the set motion characteristics, when the fault protection is carried out, the unloading opening can be carried out based on the priority of user loads, thereby realizing the orderly operation of the breaker and the lines of the branches of the breaker in the whole power distribution network.
Description
Technical field
The utility model relates to a kind of plastic shell intelligent breaker, especially a kind of intelligent breaker with automatic reclosing.
Background technology
With the intelligent breaker of automatic reclosing, refer to when breaker protection divides and have no progeny; by operational system reclosing strategy; judge that thus broken supply line belongs to permanent fault or transient fault; if supply line belongs to transient fault; automatic reclosing is connected supply line, need not manual intervention.Operating experience shows, the great majority of power failure are instantaneity, therefore with the intelligent breaker of automatic reclosing for improving power supply reliability, reduce loss of outage and played huge effect.The existing intelligent breaker with automatic reclosing is because error protection action delay time and reclosure time can not arrange, and makes circuit under circuit breaker and branch thereof the running order in whole distribution network mixed and disorderly, is unfavorable for power distribution automation.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, provides a kind of error protection action delay time and reclosure time to arrange, and is really conducive to the intelligent breaker with automatic reclosing of power distribution automation.
For achieving the above object, the utility model adopts a kind of like this intelligent breaker with automatic reclosing, comprise power module,
Three-phase alternating current sampling module, for providing the real-time waveform of three-phase alternating voltage, three-phase alternating current and zero-sequence current through low-pass filtering;
Motor divide-shut brake driver module, drags operating mechanism and carries out divide-shut brake action for controlling motor;
Shunted exciter tripping module, for outputing control signals to shunt opening coil;
System arranges module, for action threshold value and the action delay time of syllogic current protection, earth leakage protective, overvoltage protection and under voltage protection are set, and reclosure time;
LCD display module, shows for the electrical quantity of the real-time demonstration of the electrical quantity of three-phase alternating current, demonstration that system arranges menu and described syllogic current protection, described earth leakage protective, described overvoltage protection and described under voltage protection breakpoint.
CPU main control unit, for receiving the output signal from described three-phase alternating current sampling module, and according to described system, described action threshold value that module adjusts, described action delay time and described reclosure time operational system control strategy being set, output control signal value is to described motor divide-shut brake driver module and described shunted exciter tripping module.By the parameters of electric power of three-phase alternating current sampling module on-line monitoring circuit, and according to circuit breaker residing branch location in distribution network, action threshold value, action delay time and the reclosure time of error protection are manually set, CPU main control unit is according to the operating characteristics operational system control strategy setting: after dropout, can successively start, solve the power supply difficulty that excess load circuit closes a floodgate simultaneously; During error protection, can be according to the priority level unloading separating brake of user load, thus realize the orderly function in whole distribution network of circuit under circuit breaker and branch thereof, be convenient to realize power distribution automation.
Especially, the described intelligent breaker with automatic reclosing also comprises the memory module with clock, and the serial ports of the described memory module with clock is connected with the universaling I/O port of described CPU main control unit.By the memory module with clock is set, can realize the record of real-time event, be convenient to real time execution event and failure logging that user checks product.
Especially, the described intelligent breaker with automatic reclosing also comprises tentative module, and described tentative module is for the connection of Control experiment circuit.By tentative module is set, be convenient to the operating characteristics of user's periodic reinvestigation leakage current protection.
Especially, the described intelligent breaker with automatic reclosing also comprises communication module, the I of the serial ports of described communication module and described CPU main control unit
2c interface connects.By communication module is set, user can by communication bus by Surveillance center concentrate, batch setting leakage current and temperature protection characterisitic parameter, without in person going to each control point to carry out parameter setting, flexibility is stronger, efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of the intelligent breaker of the utility model band automatic reclosing.
Embodiment
As shown in Figure 1, a kind of intelligent breaker with automatic reclosing, comprise power module,
Three-phase alternating current sampling module, for providing the real-time waveform of three-phase alternating voltage, three-phase alternating current and zero-sequence current through low-pass filtering;
Motor divide-shut brake driver module, drags operating mechanism and carries out divide-shut brake action for controlling motor;
Shunted exciter tripping module, for outputing control signals to shunt opening coil;
System arranges module, for action threshold value and the action delay time of syllogic current protection, earth leakage protective, overvoltage protection and under voltage protection are set, and reclosure time;
LCD display module, shows for the real-time demonstration of the electrical quantity of three-phase alternating current, demonstration that system arranges menu and the electrical quantity of syllogic current protection, earth leakage protective, overvoltage protection and under voltage protection breakpoint.
CPU main control unit, for receiving the output signal from three-phase alternating current sampling module, and according to system, action threshold value, action delay time and the reclosure time operational system control strategy that module is adjusted being set, output control signal value is to motor divide-shut brake driver module and shunted exciter tripping module.
Intelligent breaker with automatic reclosing also comprises the memory module with clock, with the serial ports of the memory module of clock, is connected with the universaling I/O port of CPU main control unit.
Intelligent breaker with automatic reclosing also comprises tentative module, and tentative module is for the connection of Control experiment circuit.
Intelligent breaker with automatic reclosing also comprises communication module, the I of the serial ports of communication module and CPU main control unit
2c interface connects.
Claims (5)
1. with an intelligent breaker for automatic reclosing, it is characterized in that: comprise power module,
Three-phase alternating current sampling module, for providing the real-time waveform of three-phase alternating voltage, three-phase alternating current and zero-sequence current through low-pass filtering;
Motor divide-shut brake driver module, drags operating mechanism and carries out divide-shut brake action for controlling motor;
Shunted exciter tripping module, for outputing control signals to shunt opening coil;
System arranges module, for action threshold value and the action delay time of syllogic current protection, earth leakage protective, overvoltage protection and under voltage protection are set, and reclosure time;
LCD display module, shows for the electrical quantity of the real-time demonstration of the electrical quantity of three-phase alternating current, demonstration that system arranges menu and described syllogic current protection, described earth leakage protective, described overvoltage protection and described under voltage protection breakpoint;
CPU main control unit, for receiving the output signal from described three-phase alternating current sampling module, and according to described system, described action threshold value that module adjusts, described action delay time and described reclosure time operational system control strategy being set, output control signal value is to described motor divide-shut brake driver module and described shunted exciter tripping module.
2. the intelligent breaker with automatic reclosing according to claim 1, it is characterized in that: the described intelligent breaker with automatic reclosing also comprises the memory module with clock, the serial ports of the described memory module with clock is connected with the universaling I/O port of described CPU main control unit.
3. the intelligent breaker with automatic reclosing according to claim 1 and 2, is characterized in that: the described intelligent breaker with automatic reclosing also comprises tentative module, and described tentative module is for the connection of Control experiment circuit.
4. the intelligent breaker with automatic reclosing according to claim 1 and 2, is characterized in that: the described intelligent breaker with automatic reclosing also comprises communication module, the I of the serial ports of described communication module and described CPU main control unit
2c interface connects.
5. the intelligent breaker with automatic reclosing according to claim 3, is characterized in that: the described intelligent breaker with automatic reclosing also comprises communication module, the I of the serial ports of described communication module and described CPU main control unit
2c interface connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597883.XU CN203481778U (en) | 2013-09-24 | 2013-09-24 | Auto-reclosing intelligent breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597883.XU CN203481778U (en) | 2013-09-24 | 2013-09-24 | Auto-reclosing intelligent breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481778U true CN203481778U (en) | 2014-03-12 |
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ID=50230033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320597883.XU Expired - Fee Related CN203481778U (en) | 2013-09-24 | 2013-09-24 | Auto-reclosing intelligent breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328450A (en) * | 2015-07-02 | 2017-01-11 | 国网天津市电力公司 | Intelligent circuit breaker |
| CN111237180A (en) * | 2019-12-27 | 2020-06-05 | 泰豪科技股份有限公司 | Air compressor, air compressor starting device and starting circuit thereof |
-
2013
- 2013-09-24 CN CN201320597883.XU patent/CN203481778U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328450A (en) * | 2015-07-02 | 2017-01-11 | 国网天津市电力公司 | Intelligent circuit breaker |
| CN111237180A (en) * | 2019-12-27 | 2020-06-05 | 泰豪科技股份有限公司 | Air compressor, air compressor starting device and starting circuit thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FULONG ELECTRICAL SCIENCE CO., LTD. Free format text: FORMER NAME: ZHEJIANG FULONG ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 325600, No. seven, No. 308, Yueqing Economic Development Zone, Zhejiang, Yueqing Patentee after: Fulong Electrical Science Co., Ltd. Address before: 325604 No. seven, No. 308, weft Road, Yueqing Economic Development Zone, Zhejiang, China Patentee before: Zhejiang Fulong Electrical Science Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Auto-reclosing intelligent breaker Effective date of registration: 20140924 Granted publication date: 20140312 Pledgee: Industrial Bank, Limited by Share Ltd, Wenzhou, Yueqing branch Pledgor: Fulong Electrical Science Co., Ltd. Registration number: 2014990000794 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20140312 Termination date: 20190924 |