CN204405225U - A kind of breaker temperature monitoring system - Google Patents
A kind of breaker temperature monitoring system Download PDFInfo
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- CN204405225U CN204405225U CN201520017381.4U CN201520017381U CN204405225U CN 204405225 U CN204405225 U CN 204405225U CN 201520017381 U CN201520017381 U CN 201520017381U CN 204405225 U CN204405225 U CN 204405225U
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- temperature sensor
- amplifier
- monitoring system
- comparer
- breaker
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Abstract
The utility model discloses a kind of breaker temperature monitoring system, comprise the first temperature sensor, the second temperature sensor, amplifier, wave filter, A/D converter, comparer, alarm and storer, wherein: described first temperature sensor connects described isolating switch and amplifier; Described second temperature sensor connects described isolating switch and amplifier; Described amplifier, wave filter, A/D converter, comparer are connected successively with alarm; Described storer connects described comparer.The utility model, by configuration two-way temperature sensor, fully ensure that the reliability of monitoring system.
Description
Technical field
The utility model relates to a kind of breaker temperature monitoring system.
Background technology
In various electrical equipment, isolating switch is considerable one, and its reliability is directly connected to the safety and stablization of whole system.A lot of major accident or have a power failure all relevant with the fault of isolating switch.Therefore, extremely necessary to the monitoring of the High Voltage Circuit Breaker Condition, wherein, breaker temperature is an important parameter, and existing temperature monitoring system is generally equipped with single temperature sensor, once this temperature sensor fault, then whole system all will quit work.
Summary of the invention
The purpose of this utility model is to provide a kind of breaker temperature monitoring system, by configuration two-way temperature sensor, fully ensure that the reliability of monitoring system.
The technical scheme realizing above-mentioned purpose is:
A kind of breaker temperature monitoring system, external isolating switch, comprises the first temperature sensor, the second temperature sensor, amplifier, wave filter, A/D (mould/number) converter, comparer, alarm and storer, wherein:
Described first temperature sensor connects described isolating switch and amplifier;
Described second temperature sensor connects described isolating switch and amplifier;
Described amplifier, wave filter, A/D converter, comparer are connected successively with alarm;
Described storer connects described comparer.
Above-mentioned breaker temperature monitoring system, wherein, described breaker temperature monitoring system also comprises the RS232 interface connecting described comparer.
The beneficial effects of the utility model are: the utility model, by configuration two-way temperature sensor collecting temperature, even if when a certain road temperature sensor fault, also can ensure the normal operation of monitoring system, reliable and secure.
Accompanying drawing explanation
Fig. 1 is the structural representation of breaker temperature monitoring system of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, breaker temperature monitoring system of the present utility model, comprise the first temperature sensor 1, second temperature sensor 2, amplifier 3, wave filter 4, A/D converter 5, comparer 6, alarm 7, RS232 interface 8 and storer 9, wherein:
First temperature sensor 1 connecting breaker 100 and amplifier 3, for gathering the temperature signal of isolating switch 100, is designated as the first temperature signal;
Second temperature sensor 2 connecting breaker 100 and amplifier 3, for gathering the temperature signal of isolating switch 100, is designated as the second temperature signal;
RS232 interface 8 is connected comparer 6 respectively with storer 9; RS232 interface 8 is for mutual with host computer;
Amplifier 3, wave filter 4, A/D converter 5, comparer 6 are connected successively with alarm 7; First temperature signal and the second temperature signal amplify by amplifier 3, and wave filter 4 is by the first temperature signal after amplification and the second temperature signal filtering, and filtered first temperature signal and the second temperature signal are converted to digital signal by A/D converter 5; Comparer 6 comparative figures signal and the signal threshold value preset, when exceeding signal threshold value, exporting high level, alarm 7 reported to the police.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, when not departing from spirit and scope of the present utility model, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.
Claims (2)
1. a breaker temperature monitoring system, external isolating switch, is characterized in that, comprises the first temperature sensor, the second temperature sensor, amplifier, wave filter, A/D converter, comparer, alarm and storer, wherein:
Described first temperature sensor connects described isolating switch and amplifier;
Described second temperature sensor connects described isolating switch and amplifier;
Described amplifier, wave filter, A/D converter, comparer are connected successively with alarm;
Described storer connects described comparer.
2. breaker temperature monitoring system according to claim 1, is characterized in that, described breaker temperature monitoring system also comprises the RS232 interface connecting described comparer.
Priority Applications (1)
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CN201520017381.4U CN204405225U (en) | 2015-01-12 | 2015-01-12 | A kind of breaker temperature monitoring system |
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CN201520017381.4U CN204405225U (en) | 2015-01-12 | 2015-01-12 | A kind of breaker temperature monitoring system |
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CN204405225U true CN204405225U (en) | 2015-06-17 |
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CN201520017381.4U Active CN204405225U (en) | 2015-01-12 | 2015-01-12 | A kind of breaker temperature monitoring system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109459691A (en) * | 2018-12-29 | 2019-03-12 | 云南电网有限责任公司电力科学研究院 | A kind of circuit breaker electrical endurance pilot system and method with temperature-monitoring function |
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2015
- 2015-01-12 CN CN201520017381.4U patent/CN204405225U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109459691A (en) * | 2018-12-29 | 2019-03-12 | 云南电网有限责任公司电力科学研究院 | A kind of circuit breaker electrical endurance pilot system and method with temperature-monitoring function |
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