CN201838975U - Overload monitoring device for distribution line - Google Patents
Overload monitoring device for distribution line Download PDFInfo
- Publication number
- CN201838975U CN201838975U CN2010205654343U CN201020565434U CN201838975U CN 201838975 U CN201838975 U CN 201838975U CN 2010205654343 U CN2010205654343 U CN 2010205654343U CN 201020565434 U CN201020565434 U CN 201020565434U CN 201838975 U CN201838975 U CN 201838975U
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- distribution line
- current
- monitoring module
- warning
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Abstract
The utility model relates to an overload monitoring device for a distribution line, comprising a monitoring module, an electricity parameter measuring module, a switching value detection module, an alarming output module and a PC (personal computer). The monitoring module is respectively connected with the electricity parameter measuring module, the switching value detection module, the alarming output module and the PC. Compared with the prior art, the overload monitoring device for the distribution line has the advantages that the function is multiple and different alarm points can be chosen according to different protective devices.
Description
Technical field
The utility model relates to a kind of overload supervising device, especially relates to a kind of distribution line overload supervising 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; as 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 at 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 purpose of this utility model is exactly to provide a kind of distribution line overload supervising device for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
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 utlity model has following advantage:
1, to adopt the 32-bit microprocessor of Freescale be core to monitoring module, finishes 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.The warning requirement in important loops such as the fire-fighting of the utility model particularly suitable, security protection.
Description of drawings
Fig. 1 is control principle figure of the present utility model;
Fig. 2 is a structured flowchart of the present utility model;
Fig. 3 is time current curve figure.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model 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 utility model has proposed overload two-part warning protecting method respectively after the protective feature of having studied miniature circuit breaker, breaker of plastic casing, fuse.
As shown in Figure 2, 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.
Workflow of the present utility model is as follows:
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 |
| 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 |
Claims (3)
1. 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.
2. a kind of distribution line overload supervising device according to claim 1 is characterized in that described monitoring module is a microprocessor, and this microprocessor is provided with the RS485 communication interface.
3. a kind of distribution line overload supervising device according to claim 1 is characterized in that described PC is provided with display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205654343U CN201838975U (en) | 2010-10-18 | 2010-10-18 | Overload monitoring device for distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205654343U CN201838975U (en) | 2010-10-18 | 2010-10-18 | Overload monitoring device for distribution line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201838975U true CN201838975U (en) | 2011-05-18 |
Family
ID=44009075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205654343U Expired - Lifetime CN201838975U (en) | 2010-10-18 | 2010-10-18 | Overload monitoring device for distribution line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201838975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457040A (en) * | 2010-10-18 | 2012-05-16 | 上海安科瑞电气股份有限公司 | Distribution line overloading monitoring method and apparatus thereof |
| CN105892379A (en) * | 2016-06-23 | 2016-08-24 | 湖南金电气有限公司 | Method for implementing monitoring on pre-purchased electricity arrearage trip circuit and intelligent controller |
-
2010
- 2010-10-18 CN CN2010205654343U patent/CN201838975U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457040A (en) * | 2010-10-18 | 2012-05-16 | 上海安科瑞电气股份有限公司 | Distribution line overloading monitoring method and apparatus thereof |
| CN105892379A (en) * | 2016-06-23 | 2016-08-24 | 湖南金电气有限公司 | Method for implementing monitoring on pre-purchased electricity arrearage trip circuit and intelligent controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201801 Jiading District Green Road, No. 253, Shanghai Patentee after: ACREL CO., LTD. Address before: 201801 Jiading District Green Road, No. 253, Shanghai Patentee before: Shanghai Acrel Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |