CN201535809U - Alarming device for monitoring electricity leakage of apparatuses - Google Patents
Alarming device for monitoring electricity leakage of apparatuses Download PDFInfo
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- CN201535809U CN201535809U CN2009202476290U CN200920247629U CN201535809U CN 201535809 U CN201535809 U CN 201535809U CN 2009202476290 U CN2009202476290 U CN 2009202476290U CN 200920247629 U CN200920247629 U CN 200920247629U CN 201535809 U CN201535809 U CN 201535809U
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Abstract
The utility model provides an alarming device for monitoring electricity leakage of apparatuses, which comprises a positive pole electricity supply circuit, a negative pole electricity supply circuit, a positive pole insulation device, a negative pole insulation device, a metal housing, an assistant measurement resistor, a power on and off switch device, a control module, an AD conversion module, and an alarming module, wherein the assistant measurement resistor is in series connection with the power on and off switch device, the insulation device is connected in parallel between the electricity supply circuit and the metal housing, the alarming module is connected with the control module. The utility model has advantages that by the intelligent digital system and scientific algorithm, effective detection to the real value of the resistance of the positive and negative electricity leakage resistors can be implemented, and the current leakage status can be objectively provided quantitatively with reference to the standard; effective detection and alarming can be implemented for situations of distal leakage and simultaneous leakage of the positive and the negative poles; the device has relatively high sensitivity, so even when the insulation material is slightly deteriorated and the leakage resistance is relatively high during the initial period of leakage, effective detection and early warning can be realized for prompting the operators to examine faults in time and eliminating adverse effects in advance.
Description
Technical field
The utility model relates to the monitoring equipment field, particularly a kind of monitoring equipment electric leakage alarm device.
Background technology
Present Related product mostly is changed to foundation with positive and negative leak resistance ratio, makes electric leakage and judges.Can not realize detection by quantitative for the leak resistance actual value, electric leakage judges that actual standard has nothing in common with each other.Under electric leakage situation in various degree, when sending leakage-current alarm, actual leak resistance value has nothing in common with each other, and differs bigger sometimes, and it is objective inadequately to provide the electric leakage state; For situations such as far-end electric leakage and positive and negative both-end leak electricity simultaneously, can not realize effective detection, warning; Sensitivity is lower, and for the electric leakage early period of origination, the insulating material minor degradation when leak resistance value is big, can not be realized effective detection.
The utility model content
The purpose of this utility model is that the spy provides a kind of monitoring equipment electric leakage alarm device for effectively checkout equipment electric leakage and warning.
The utility model provides a kind of monitoring equipment electric leakage alarm device, it is characterized in that: described monitoring equipment electric leakage alarm device comprises anodal supply line 1, negative pole supply line 2, anodal seal 3, negative pole seal 4, metal shell 5, subsidiary resistance 6, on-off switch device 7, control module 8, analog-to-digital conversion module 9, alarm module 10;
Wherein: anodal supply line 1 is connected with metal shell 5 by anodal seal 3, and negative pole supply line 2 is connected with metal shell 5 by negative pole seal 4;
On-off switch device 7 and control module 8 are connected by conductor; Anodal supply line 1, negative pole supply line 2 are connected with analog-to-digital conversion module 9 with metal shell 5; Alarm module 10 is connected with control module 8.
Described on-off switch device 7 comprises first triode, 701, the second triodes, first resistance, second resistance;
First triode, 701 emitters are connected with anodal supply line 1, collector is connected with subsidiary resistance 6, base stage is connected with an end of first resistance, the other end of first resistance is connected with the collector of second triode, the emitter of second triode is connected with negative pole supply line 2, base stage is connected with an end of second resistance, and the other end of second resistance is connected with control module 8.
Described on-off switch device 7 comprises the 3rd triode, the 4th resistance;
The collector of the 3rd triode is connected with subsidiary resistance 6, and emitter is connected with negative pole supply line 2, and base stage is connected with an end of the 4th resistance, and the other end of the 4th resistance is connected with control module 8.
Described on-off switch device 7 is a relay, connects with subsidiary resistance 6, and relay is connected with control module 8.
Described alarm module 10 comprises light emission alarm device 101 or/and sounding alarm device 102.
The equivalent insulation resistance of anodal seal 3 or negative pole seal 4 is insulation degradation less than certain reference value.
Advantage of the present utility model:
Monitoring equipment electric leakage alarm device described in the utility model can be realized to direct current supply line over the ground or metal shell, the real-time quantitative of leak resistance detects, hidden danger such as timely discovery line insulation is bad are sent the chimes of doom light signal, guarantee the reliable and secure operation of system.By the algorithm of intelligent digitalized system and science, can realize effective detection to positive and negative leak resistance actual value, reference standard can quantitatively objectively provide current electric leakage state; For situations such as far-end electric leakage and positive and negative both-end leak electricity simultaneously, also can realize effective detection, warning; This device sensitivity is higher, even at the electric leakage early period of origination, the insulating material minor degradation when leak resistance is higher, also can be realized effectively detecting and early warning, reminds the operations staff in time to investigate fault, prevents trouble before it happens.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is the principle schematic of monitoring equipment electric leakage alarm device.
Embodiment
Present embodiment provides a kind of monitoring equipment electric leakage alarm device, it is characterized in that: described monitoring equipment electric leakage alarm device comprises anodal supply line 1, negative pole supply line 2, anodal seal 3, negative pole seal 4, metal shell 5, subsidiary resistance 6, on-off switch device 7, control module 8, analog-to-digital conversion module 9, alarm module 10;
Wherein: anodal supply line 1 is connected with metal shell 5 by anodal seal 3, and negative pole supply line 2 is connected with metal shell 5 by negative pole seal 4;
On-off switch device 7 and control module 8 are connected by conductor;
Anodal supply line 1, negative pole supply line 2 are connected with analog-to-digital conversion module 9 with metal shell 5;
Described on-off switch device 7 comprises first triode, 701, the second triodes, first resistance, second resistance;
First triode, 701 emitters are connected with anodal supply line 1, collector is connected with subsidiary resistance 6, base stage is connected with an end of first resistance, the other end of first resistance is connected with the collector of second triode, the emitter of second triode is connected with negative pole supply line 2, base stage is connected with an end of second resistance, and the other end of second resistance is connected with control module 8.
Described alarm module 10 comprises light emission alarm device 101 and sounding alarm device 102.
The function of the design's realization is the resistance value of anodal seal 3 of real-time monitoring or negative pole seal 4.
When the resistance value of anodal seal 3 or negative pole seal 4 during less than a certain standard value, can send report to the police flash of light and alarm sound by Micro Controller Unit (MCU) driving light emission alarm device 101 and sounding alarm device 102, remind the operations staff to carry out necessary examination and maintenance.
Present embodiment provides a kind of monitoring equipment electric leakage alarm device, it is characterized in that: described monitoring equipment electric leakage alarm device comprises anodal supply line 1, negative pole supply line 2, anodal seal 3, negative pole seal 4, metal shell 5, subsidiary resistance 6, on-off switch device 7, control module 8, analog-to-digital conversion module 9, alarm module 10;
Wherein: anodal supply line 1 is connected with metal shell 5 by anodal seal 3, and negative pole supply line 2 is connected with metal shell 5 by negative pole seal 4;
On-off switch device 7 and control module 8 are connected by conductor;
Anodal supply line 1, negative pole supply line 2 are connected with analog-to-digital conversion module 9 with metal shell 5;
Described on-off switch device 7 comprises the 3rd triode, the 4th resistance;
The collector of the 3rd triode is connected with subsidiary resistance 6, and emitter is connected with negative pole supply line 2, and base stage is connected with an end of the 4th resistance, and the other end of the 4th resistance is connected with control module 8.
Described alarm module 10 comprises light emission alarm device 101 and sounding alarm device 102.
When the resistance value of anodal seal 3 or negative pole seal 4 during less than a certain standard value, can send report to the police flash of light and alarm sound by Micro Controller Unit (MCU) driving light emission alarm device 101 and sounding alarm device 102, remind the operations staff to carry out necessary examination and maintenance.
Present embodiment provides a kind of monitoring equipment electric leakage alarm device, it is characterized in that: described monitoring equipment electric leakage alarm device comprises anodal supply line 1, negative pole supply line 2, anodal seal 3, negative pole seal 4, metal shell 5, subsidiary resistance 6, on-off switch device 7, control module 8, analog-to-digital conversion module 9, alarm module 10;
Wherein: anodal supply line 1 is connected with metal shell 5 by anodal seal 3, and negative pole supply line 2 is connected with metal shell 5 by negative pole seal 4;
On-off switch device 7 and control module 8 are connected by conductor;
Anodal supply line 1, negative pole supply line 2 are connected with analog-to-digital conversion module 9 with metal shell 5;
Described on-off switch device 7 is a relay, connects with subsidiary resistance 6, and relay is connected with control module 8.
Described alarm module 10 comprises light emission alarm device 101 and sounding alarm device 102.
Present embodiment provides a kind of monitoring equipment electric leakage alarm device, it is characterized in that: described monitoring equipment electric leakage alarm device comprises anodal supply line 1, negative pole supply line 2, anodal seal 3, negative pole seal 4, metal shell 5, subsidiary resistance 6, on-off switch device 7, control module 8, analog-to-digital conversion module 9, alarm module 10; Wherein: anodal supply line 1 is connected with metal shell 5 by anodal seal 3, and negative pole supply line 2 is connected with metal shell 5 by negative pole seal 4; Subsidiary resistance 6 is connected into one with on-off switch device 7; Subsidiary resistance 6 is connected back with on-off switch device 7 and negative pole seal 4 is connected in parallel between negative pole supply line 2 and the metal shell 5;
On-off switch device 7 and control module 8 are connected by conductor; Anodal supply line 1, negative pole supply line 2 are connected with analog-to-digital conversion module 9 with metal shell 5; Alarm module 10 is connected with control module 8.
Described on-off switch device 7 is a relay, connects with subsidiary resistance 6, and relay is connected with control module 8.Described alarm module 10 comprises light emission alarm device 101 and sounding alarm device 102.
Claims (5)
1. monitoring equipment electric leakage alarm device, it is characterized in that: described monitoring equipment electric leakage alarm device comprises anodal supply line (1), negative pole supply line (2), anodal seal (3), negative pole seal (4), metal shell (5), subsidiary resistance (6), on-off switch device (7), control module (8), analog-to-digital conversion module (9), alarm module (10);
Wherein: anodal supply line (1) is connected with metal shell (5) by anodal seal (3), and negative pole supply line (2) is connected with metal shell (5) by negative pole seal (4);
Subsidiary resistance (6) is connected into one with on-off switch device (7);
Subsidiary resistance (6) is connected back with on-off switch device (7) and anodal seal (3) is connected in parallel between anodal supply line (1) and the metal shell (5); Perhaps, subsidiary resistance (6) connect with on-off switch device (7) back and negative pole seal (4) be connected in parallel between negative pole supply line (2) and the metal shell (5);
On-off switch device (7) is connected by conductor with control module (8);
Anodal supply line (1), negative pole supply line (2) are connected with analog-to-digital conversion module (9) with metal shell (5);
Alarm module (10) is connected with control module (8).
2. according to the described monitoring equipment electric leakage alarm device of claim 1, it is characterized in that: described on-off switch device (7) comprises first triode, second triode, first resistance, second resistance;
The first triode emitter is connected with anodal supply line (1), collector is connected with subsidiary resistance (6), base stage is connected with an end of first resistance, the other end of first resistance is connected with the collector of second triode, the emitter of second triode is connected with negative pole supply line (2), base stage is connected with an end of second resistance, and the other end of second resistance is connected with control module (8).
3. according to the described monitoring equipment electric leakage alarm device of claim 1, it is characterized in that: described on-off switch device (7) comprises the 3rd triode, the 4th resistance;
The collector of the 3rd triode is connected with subsidiary resistance (6), and emitter is connected with negative pole supply line (2), and base stage is connected with an end of the 4th resistance, and the other end of the 4th resistance is connected with control module (8).
4. according to the described monitoring equipment electric leakage alarm device of claim 1, it is characterized in that: described on-off switch device (7) is a relay, connects with subsidiary resistance (6), and relay is connected with control module (8).
5. according to claim 1,2,3 or 4 described monitoring equipment electric leakage alarm devices, it is characterized in that: described alarm module (10) comprises light emission alarm device (101) or/and sounding alarm device (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202476290U CN201535809U (en) | 2009-10-28 | 2009-10-28 | Alarming device for monitoring electricity leakage of apparatuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202476290U CN201535809U (en) | 2009-10-28 | 2009-10-28 | Alarming device for monitoring electricity leakage of apparatuses |
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| Publication Number | Publication Date |
|---|---|
| CN201535809U true CN201535809U (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202476290U Expired - Fee Related CN201535809U (en) | 2009-10-28 | 2009-10-28 | Alarming device for monitoring electricity leakage of apparatuses |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176093A (en) * | 2011-12-23 | 2013-06-26 | 海洋王照明科技股份有限公司 | Leakage detection circuit |
| CN103308769A (en) * | 2012-03-16 | 2013-09-18 | 三菱电机株式会社 | Leakage resistance detection device for an on-board high voltage device and leakage resistance detection method therefor |
| CN106771822A (en) * | 2017-01-13 | 2017-05-31 | 北京航天自动控制研究所 | A kind of modified carrier rocket electrical system leakage testses result computational methods |
| CN108768085A (en) * | 2018-05-23 | 2018-11-06 | 安徽机电职业技术学院 | A kind of generator casing electric leakage monitoring and protective device and its application method |
-
2009
- 2009-10-28 CN CN2009202476290U patent/CN201535809U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176093A (en) * | 2011-12-23 | 2013-06-26 | 海洋王照明科技股份有限公司 | Leakage detection circuit |
| CN103308769A (en) * | 2012-03-16 | 2013-09-18 | 三菱电机株式会社 | Leakage resistance detection device for an on-board high voltage device and leakage resistance detection method therefor |
| CN103308769B (en) * | 2012-03-16 | 2016-01-20 | 三菱电机株式会社 | The leak resistance pick-up unit of vehicle-mounted high voltage installation and leak resistance detection method |
| CN106771822A (en) * | 2017-01-13 | 2017-05-31 | 北京航天自动控制研究所 | A kind of modified carrier rocket electrical system leakage testses result computational methods |
| CN108768085A (en) * | 2018-05-23 | 2018-11-06 | 安徽机电职业技术学院 | A kind of generator casing electric leakage monitoring and protective device and its application method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20100728 Termination date: 20101028 |