CN102457040A - Distribution line overloading monitoring method and apparatus thereof - Google Patents
Distribution line overloading monitoring method and apparatus thereof Download PDFInfo
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- CN102457040A CN102457040A CN2010105105016A CN201010510501A CN102457040A CN 102457040 A CN102457040 A CN 102457040A CN 2010105105016 A CN2010105105016 A CN 2010105105016A CN 201010510501 A CN201010510501 A CN 201010510501A CN 102457040 A CN102457040 A CN 102457040A
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Abstract
The invention relates to a distribution line overloading monitoring method and an apparatus thereof. The method comprises the following steps: (1) an electric parameter measuring module acquires a distribution line parameter, a switching value detection module acquires a switch parameter, and the distribution line parameter and the switch parameter are transmitted to a monitoring module; (2) the monitoring module determines a protection electric appliance type of a distribution line, if the type is a miniature breaker, step (3) is executed, if the type is a plastic-case breaker, step (6) is executed, and if the type is a fuse, step (9) and the like are executed. The apparatus comprises the monitoring module, the electric parameter measuring module, the switching value detection module, an alarm output module and a PC machine. The monitoring module is connected with the electric parameter measuring module, the switching value detection module, the alarm output module and the PC machine respectively. Compared with the prior art, the method and the apparatus have the advantages of a plurality of functions, capability of selecting different alarming points according to different protection electric appliances and the like.
Description
Technical field
The present invention relates to a kind of overload method for supervising and device, especially relate to a kind of distribution line overload method for supervising and device.
Background technology
The GPF (General Protection False that distribution line uses mainly contains miniature circuit breaker, breaker of plastic casing, fuse; Realize overload, the ground protection of distribution line; And some important loop; Like the bigger circuit of loss that occasion sudden power such as fire-fighting, medical treatment, security protection facility cause than overload, its overload protection should act on signal and should not act on the cut-out circuit.
Need protection to these important distribution lines, so that the maintenance of follow-up electric wiring.As distribution line, overladen former because the excessive aging circuit that causes of line current insulate and reduces, cause and get an electric shock and fire incident.
Summary of the invention
The object of the invention is exactly for the defective that overcomes above-mentioned prior art existence a kind of distribution line overload method for supervising and device to be provided.
The object of the invention can be realized through following technical scheme:
A kind of distribution line overload method for supervising is characterized in that this method may further comprise the steps:
1) the electric parameter metering module is gathered the distribution line parameter, and the switching value detection module is gathered switch parameter, and in real time distribution line parameter and switch parameter is transferred to monitoring module;
2) monitoring module is judged the protection electrical equipment type of distribution line, if the type of protection electrical equipment is a miniature circuit breaker, and execution in step 3), if the type of protection electrical equipment is a breaker of plastic casing, execution in step 6), if the type of protection electrical equipment is a fuse, execution in step 9);
3) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of miniature circuit breaker warning, if yes, and execution in step 4), if not, return step 1);
4) monitoring module carries out 1 section warning of miniature circuit breaker, whether judges current current value simultaneously greater than 2 sections current values of miniature circuit breaker warning, if yes, and execution in step 5), if not, return step 3);
5) monitoring module judges whether current current value reported to the police 2 action delay periods greater than miniature circuit breaker greater than the time of 2 sections current values of miniature circuit breaker warning; If yes; Carry out 2 sections warnings of miniature circuit breaker, if not, monitoring module carries out 1 section warning of miniature circuit breaker;
6) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of breaker of plastic casing warning, if yes, and execution in step 7), if not, return step 1);
7) monitoring module carries out 1 section warning of breaker of plastic casing, whether judges current current value simultaneously greater than 2 sections current values of breaker of plastic casing warning, if yes, and execution in step 8), if not, return step 6);
8) monitoring module judges whether current current value reported to the police 2 action delay periods greater than breaker of plastic casing greater than the time of 2 sections current values of breaker of plastic casing warning; If yes; Carry out 2 sections warnings of breaker of plastic casing, if not, monitoring module carries out 1 section warning of breaker of plastic casing;
9) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of fuse warning, if yes, and execution in step 10), if not, return step 1);
10) monitoring module carries out 1 section warning of fuse, whether judges current current value simultaneously greater than 2 sections current values of fuse warning, if yes, and execution in step 11), if not, return step 9);
11) monitoring module judges that whether current current value reported to the police 2 action delay periods greater than fuse greater than the time of 2 sections current values of fuse warning, if yes, carried out 2 sections warnings of fuse, if not, monitoring module carries out 1 section warning of fuse.
1 section current value of miniature circuit breaker warning in the described step 3) is 1.13 times of rated current.
2 sections current values of miniature circuit breaker warning in the described step 4) are 1.45 times of rated current.
1 section current value of breaker of plastic casing warning in the described step 6) is 1.05 times of rated current.
2 sections current values of breaker of plastic casing warning in the described step 7) are 1.3 times of rated current.
1 section current value of fuse warning in the described step 9) is 1.25 times of rated current.
2 sections current values of fuse warning in the described step 10) are 1.45 times of rated current.
A kind of distribution line overload supervising device; It is characterized in that; Comprise monitoring module, electric parameter metering module, switching value detection module, alarm output module, PC, described monitoring module is connected with electric parameter metering module, switching value detection module, alarm output module, PC respectively.
Described monitoring module is a microprocessor.
Described PC is provided with display, the state information of the real-time display monitoring module of this display.
Compared with prior art, the present invention has the following advantages:
1, to adopt the 32-bit microprocessor of Freescale be core to monitoring module, accomplishes three-phase current, the three-phase voltage of distribution line, the measurement of leakage current, simultaneously integrated miniature circuit breaker, the unexistent warning function of breaker of plastic casing.
2, monitoring module is realized the two-part warning function according to the overload current of setting, and parameter is set simultaneously has the password locking function.
3, switching value measuring ability can be realized moulding the opening a sluice gate of shell switch, combined floodgate, trip status and detect.
4, relay able to programme can be realized remote control, interlock, function such as control on the spot, and is convenient, flexible.
5, RS485 communication interface, the feasible system networking.Particularly suitable of the present invention is with the warning requirement in important loops such as fire-fighting, security protection.
Description of drawings
Fig. 1 is control principle figure of the present invention;
Fig. 2 is a structured flowchart of the present invention;
Fig. 3 is time current curve figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
As shown in Figure 1, distribution line overladen former is because the excessive aging circuit that causes of line current, and insulation reduces, and causes to get an electric shock and fire incident.The present invention has proposed overload two-part warning protecting method respectively after the protective feature of having studied miniature circuit breaker, breaker of plastic casing, fuse, comprising supervising device, warning device (BJ) etc.
As shown in Figure 2, a kind of distribution line overload method for supervising, this method may further comprise the steps:
1) electric parameter metering module 2 is gathered the distribution line parameter, and switching value detection module 3 is gathered switch parameter, and in real time distribution line parameter and switch parameter is transferred to monitoring module 1;
2) monitoring module 1 is judged the protection electrical equipment type of distribution line, if the type of protection electrical equipment is a miniature circuit breaker, and execution in step 3), if the type of protection electrical equipment is a breaker of plastic casing, execution in step 6), if the type of protection electrical equipment is a fuse, execution in step 9);
3) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module 1 judges current current value greater than 1 section current value of miniature circuit breaker warning, if yes, and execution in step 4), if not, return step 1);
4) monitoring module 1 carries out 1 section warning of miniature circuit breaker, whether judges current current value simultaneously greater than 2 sections current values of miniature circuit breaker warning, if yes, and execution in step 5), if not, return step 3);
5) monitoring module 1 judges whether current current value reported to the police 2 action delay periods greater than miniature circuit breaker greater than the time of 2 sections current values of miniature circuit breaker warning; If yes; Carry out 2 sections warnings of miniature circuit breaker, if not, monitoring module 1 carries out 1 section warning of miniature circuit breaker;
6) monitoring module 1 draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of breaker of plastic casing warning, if yes, and execution in step 7), if not, return step 1);
7) monitoring module 1 carries out 1 section warning of breaker of plastic casing, whether judges current current value simultaneously greater than 2 sections current values of breaker of plastic casing warning, if yes, and execution in step 8), if not, return step 6);
8) monitoring module 1 judges whether current current value reported to the police 2 action delay periods greater than breaker of plastic casing greater than the time of 2 sections current values of breaker of plastic casing warning; If yes; Carry out 2 sections warnings of breaker of plastic casing, if not, monitoring module carries out 1 section warning of breaker of plastic casing;
9) monitoring module 1 draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of fuse warning, if yes, and execution in step 10), if not, return step 1);
10) monitoring module 1 carries out 1 section warning of fuse, whether judges current current value simultaneously greater than 2 sections current values of fuse warning, if yes, and execution in step 11), if not, return step 9);
11) monitoring module 1 judges that whether current current value reported to the police 2 action delay periods greater than fuse greater than the time of 2 sections current values of fuse warning, if yes, carried out 2 sections warnings of fuse, if not, monitoring module carries out 1 section warning of fuse.
1 section current value of miniature circuit breaker warning in the described step 3) is 1.13 times of rated current.
2 sections current values of miniature circuit breaker warning in the described step 4) are 1.45 times of rated current.
1 section current value of breaker of plastic casing warning in the described step 6) is 1.05 times of rated current.
2 sections current values of breaker of plastic casing warning in the described step 7) are 1.3 times of rated current.
1 section current value of fuse warning in the described step 9) is 1.25 times of rated current.
2 sections current values of fuse warning in the described step 10) are 1.45 times of rated current.
As shown in Figure 3, be time current curve figure;
| Code name | Explanation |
| I | Normal traffic coverage |
| II | Report to the police between 1 section active region |
| III | Report to the police 1 section action, the 2 sections intervals of being failure to actuate of reporting to the police |
| IV | Report to the police between 2 sections active regions |
| T1 | The 2 sections action delay time set values of reporting to the police |
| I1 | The 1 section current value of reporting to the police |
| I2 | The 2 sections current values of reporting to the police |
A kind of distribution line overload supervising device; Comprise monitoring module 1, electric parameter metering module 2, switching value detection module 3, alarm output module 4, PC 5, described monitoring module 1 is connected with electric parameter metering module 2, switching value detection module 3, alarm output module 4, PC 5 respectively.
Described monitoring module 1 is a microprocessor.Described PC 5 is provided with display, the state information of the real-time display monitoring module of this display.
Claims (10)
1. distribution line overload method for supervising is characterized in that this method may further comprise the steps:
1) the electric parameter metering module is gathered the distribution line parameter, and the switching value detection module is gathered switch parameter, and in real time distribution line parameter and switch parameter is transferred to monitoring module;
2) monitoring module is judged the protection electrical equipment type of distribution line, if the type of protection electrical equipment is a miniature circuit breaker, and execution in step 3), if the type of protection electrical equipment is a breaker of plastic casing, execution in step 6), if the type of protection electrical equipment is a fuse, execution in step 9);
3) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of miniature circuit breaker warning, if yes, and execution in step 4), if not, return step 1);
4) monitoring module carries out 1 section warning of miniature circuit breaker, whether judges current current value simultaneously greater than 2 sections current values of miniature circuit breaker warning, if yes, and execution in step 5), if not, return step 3);
5) monitoring module judges whether current current value reported to the police 2 action delay periods greater than miniature circuit breaker greater than the time of 2 sections current values of miniature circuit breaker warning; If yes; Carry out 2 sections warnings of miniature circuit breaker, if not, monitoring module carries out 1 section warning of miniature circuit breaker;
6) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of breaker of plastic casing warning, if yes, and execution in step 7), if not, return step 1);
7) monitoring module carries out 1 section warning of breaker of plastic casing, whether judges current current value simultaneously greater than 2 sections current values of breaker of plastic casing warning, if yes, and execution in step 8), if not, return step 6);
8) monitoring module judges whether current current value reported to the police 2 action delay periods greater than breaker of plastic casing greater than the time of 2 sections current values of breaker of plastic casing warning; If yes; Carry out 2 sections warnings of breaker of plastic casing, if not, monitoring module carries out 1 section warning of breaker of plastic casing;
9) monitoring module draws the current current value of this distribution line according to distribution line parameter and switch parameter, and whether monitoring module judges current current value greater than 1 section current value of fuse warning, if yes, and execution in step 10), if not, return step 1);
10) monitoring module carries out 1 section warning of fuse, whether judges current current value simultaneously greater than 2 sections current values of fuse warning, if yes, and execution in step 11), if not, return step 9);
11) monitoring module judges that whether current current value reported to the police 2 action delay periods greater than fuse greater than the time of 2 sections current values of fuse warning, if yes, carried out 2 sections warnings of fuse, if not, monitoring module carries out 1 section warning of fuse.
2. a kind of distribution line overload method for supervising according to claim 1 is characterized in that, the 1 section current value of miniature circuit breaker warning in the described step 3) is 1.13 times of rated current.
3. a kind of distribution line overload method for supervising according to claim 1 is characterized in that, the 2 sections current values of miniature circuit breaker warning in the described step 4) are 1.45 times of rated current.
4. a kind of distribution line overload method for supervising according to claim 1 is characterized in that, the 1 section current value of breaker of plastic casing warning in the described step 6) is 1.05 times of rated current.
5. a kind of distribution line overload method for supervising according to claim 1 is characterized in that, the 2 sections current values of breaker of plastic casing warning in the described step 7) are 1.3 times of rated current.
6. a kind of distribution line overload method for supervising according to claim 1 is characterized in that, the 1 section current value of fuse warning in the described step 9) is 1.25 times of rated current.
7. a kind of distribution line overload method for supervising according to claim 1 is characterized in that, the 2 sections current values of fuse warning in the described step 10) are 1.45 times of rated current.
8. distribution line overload supervising device; It is characterized in that; Comprise monitoring module, electric parameter metering module, switching value detection module, alarm output module, PC, described monitoring module is connected with electric parameter metering module, switching value detection module, alarm output module, PC respectively.
9. a kind of distribution line overload supervising device according to claim 8 is characterized in that described monitoring module is a microprocessor, and this microprocessor is provided with the RS485 communication interface.
10. a kind of distribution line overload supervising device according to claim 8 is characterized in that described PC is provided with display, the state information of the real-time display monitoring module of this display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105105016A CN102457040A (en) | 2010-10-18 | 2010-10-18 | Distribution line overloading monitoring method and apparatus thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105105016A CN102457040A (en) | 2010-10-18 | 2010-10-18 | Distribution line overloading monitoring method and apparatus thereof |
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| CN102457040A true CN102457040A (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105105016A Pending CN102457040A (en) | 2010-10-18 | 2010-10-18 | Distribution line overloading monitoring method and apparatus thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208390A (en) * | 2016-09-12 | 2016-12-07 | 北京师范大学 | A kind of monitoring system and method for distribution box running status |
| CN104578400B (en) * | 2013-10-24 | 2017-12-12 | 陈锦清 | A kind of distributor breaker intelligent protection device and method |
| CN108270212A (en) * | 2016-12-30 | 2018-07-10 | 孙麓轩 | A kind of distribution system |
| CN111516621A (en) * | 2020-05-31 | 2020-08-11 | 湖南行必达网联科技有限公司 | Automobile wire harness protection circuit and protection method |
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| CN201838975U (en) * | 2010-10-18 | 2011-05-18 | 上海安科瑞电气股份有限公司 | Overload monitoring device for distribution line |
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- 2010-10-18 CN CN2010105105016A patent/CN102457040A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060125419A1 (en) * | 2004-12-15 | 2006-06-15 | Zippy Technology Corp. | Control circuit of power supply with selectable current-limiting modes |
| CN201838975U (en) * | 2010-10-18 | 2011-05-18 | 上海安科瑞电气股份有限公司 | Overload monitoring device for distribution line |
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| 唐明等: "《配电过负荷监控装置ACM的应用》", 《供配电》, vol. 4, no. 3, 30 June 2010 (2010-06-30), pages 82 - 83 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578400B (en) * | 2013-10-24 | 2017-12-12 | 陈锦清 | A kind of distributor breaker intelligent protection device and method |
| CN106208390A (en) * | 2016-09-12 | 2016-12-07 | 北京师范大学 | A kind of monitoring system and method for distribution box running status |
| CN108270212A (en) * | 2016-12-30 | 2018-07-10 | 孙麓轩 | A kind of distribution system |
| CN111516621A (en) * | 2020-05-31 | 2020-08-11 | 湖南行必达网联科技有限公司 | Automobile wire harness protection circuit and protection method |
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Application publication date: 20120516 |