CN103474973A - Intelligent circuit breaker - Google Patents
Intelligent circuit breaker Download PDFInfo
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- CN103474973A CN103474973A CN2013103896308A CN201310389630A CN103474973A CN 103474973 A CN103474973 A CN 103474973A CN 2013103896308 A CN2013103896308 A CN 2013103896308A CN 201310389630 A CN201310389630 A CN 201310389630A CN 103474973 A CN103474973 A CN 103474973A
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- killer switch
- intelligent control
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Abstract
The invention discloses an intelligent circuit breaker. The intelligent circuit breaker comprises a circuit breaker switch body, wherein the circuit breaker switch body is connected with an intelligent control module and is also connected with an input end of a current transformer in a coupling manner; an output end of the current transformer is connected with a current detection end of the intelligent control module; the circuit breaker switch body is connected with an input end of a first voltage sensor, and an output end of the first voltage sensor is connected with a voltage detection end of the intelligent control module; the circuit breaker switch body is connected with an input end of a second voltage sensor; an output end of the second voltage sensor is connected with the voltage detection end of the intelligent control module. The intelligent circuit breaker is simple in wire connection structure and convenient to mount, is capable of monitoring voltages of two inlet wires in real time and switching automatically when the voltage is lost, and is short in switching time, so that the power supply quality is improved and the cost is lowered at the same time.
Description
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Technical field
The present invention relates to high-voltage electrical equipment, relate in particular to a kind of outdoor intelligent breaker that disposes the resistance-type voltage sensor.
Background technology
At present, for example, on the high pressure electric line (joint line of 10kV overhead transmission line or cable and overhead transmission line) of electric power system, in order to realize the o-volt protection of circuit, overvoltage protection, overcurrent protection, segmentation is standby throws, contact is standby throws, small current grounding protection, the intelligent functions such as automatic reclosing, main passing through circuit breaker or automatic circuit and current transformer, voltage transformer (or transducer) device (as: three-phase five-pole voltage transformer, three single-phase electricity magnetic-type voltage transformers, three resistance (appearance) formula voltage sensor, six resistance (appearance) formula voltage sensors etc.) mode of combination realizes, and most mode connection complexity wherein, cost is high, inconvenience is installed.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of intelligent breaker, its connecting line construction is simple, easy for installation, not only two primary voltages of Real-Time Monitoring, and decompression automatically switch, switching time is short, has reduced cost when improving power supply quality.
The present invention is the purpose that reaches above-mentioned, and the present invention adopts following technical scheme:
A kind of intelligent breaker, comprise the killer switch body, and described killer switch body is connected with intelligent control module; Described killer switch body is connected with the input coupling of current transformer, and the output of described current transformer is connected with the current detecting end of intelligent control module; Described killer switch body is connected with the input of the first voltage sensor, and the output of described the first voltage sensor is connected with the voltage detecting end of intelligent control module; Described killer switch body is connected with the input of second voltage transducer, and the output of described second voltage transducer is connected with the voltage detecting end of intelligent control module.
The inlet wire binding post of described killer switch body is connected with the input of the first voltage sensor, and the outlet binding post of described killer switch body is connected with the input of second voltage transducer.
The inlet wire binding post of described killer switch body respectively with 3 the first voltage sensors input be connected, the outlet binding post of described killer switch body is connected with the input of 3 second voltage transducers respectively.
Described current transformer is connected with the current detecting end of intelligent control module by the secondary current output cable.
The output of described the first voltage sensor and second voltage transducer also is connected with the voltage detecting end of intelligent control module by the secondary voltage output cable respectively.
The killer switch body that described killer switch body is the permanent magnetic motor configuration.
Described the first voltage sensor is resistance-type the first voltage sensor, the second voltage transducer that described second voltage transducer is resistance-type.
Beneficial effect of the present invention is: the invention provides a kind of intelligent breaker, inlet wire side and outgoing line side at the killer switch body are respectively arranged with the resistance-type voltage sensor, the high voltage of inlet wire side and outgoing line side is converted to respectively to the low-voltage that can be directly used in intelligent control module, intelligent control module detects the analysis judgement to electric current and voltage signal, and according to testing result, the killer switch body is controlled, its connecting line construction is simple, easy for installation, and cost is low; And overcome traditional manual or half manual control mode, two primary voltages of Real-Time Monitoring, decompression automatically switches, and change-over time is short, can improve power supply quality, reduces the impact on the user.
The accompanying drawing explanation
Fig. 1 is connecting line construction schematic diagram of the present invention;
Fig. 2 is mounting structure schematic diagram of the present invention.
Embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of intelligent breaker, comprises the killer switch body 1 of permanent magnetic motor configuration, and the killer switch body 1 of described permanent magnetic motor configuration is connected with intelligent control module 2; The killer switch body 1 of described permanent magnetic motor configuration is connected with the coupling of the input of current transformer 5, and the output of described current transformer 5 is connected with the current detecting end of intelligent control module 2.The inlet wire binding post of the killer switch body 1 of described permanent magnetic motor configuration is connected with the input of 3 resistance-type the first voltage sensors 3 respectively, and the outlet binding post of the killer switch body 1 of described permanent magnetic motor configuration is connected with the input of the second voltage transducer 4 of 3 resistance-types respectively.The inlet wire binding post of the killer switch body 1 of described permanent magnetic motor configuration is connected with the input of resistance-type the first voltage sensor 3, and the output of described resistance-type the first voltage sensor 3 is connected with the voltage detecting end of intelligent control module 2; The outlet binding post of the killer switch body 1 of described permanent magnetic motor configuration is connected with the input of the second voltage transducer 4 of resistance-type, and the output of the second voltage transducer 4 of described resistance-type is connected with the voltage detecting end of intelligent control module 2.Described current transformer 5 is connected with the current detecting end of intelligent control module 2 by secondary current output cable 21.The output of the second voltage transducer 4 of described resistance-type the first voltage sensor 3 and resistance-type also is connected with the voltage detecting end of intelligent control module 2 by secondary voltage output cable 22 respectively.
The killer switch body 1 of permanent magnetic motor configuration, be conducive to shorten the time interval between reclosing, gets rid of in time the transient fault of circuit.
Intelligent control module 2 is connected and it is controlled with the killer switch body 1 of permanent magnetic motor configuration.Intelligent control module 2 can be various according to voltage, the current detecting intelligent control module that the killer switch body 1 of permanent magnetic motor configuration is controlled as a result.As a nonrestrictive example, the model that in the present embodiment, intelligent control module 2 adopts is the PZK-SX-03 type.
Current transformer 5 is coupled with the killer switch body 1 of permanent magnetic motor configuration, and its output is connected with the current detecting end of intelligent control module 2.The current signal that current transformer 5 produces transfers to the current detecting end of intelligent control module 2 by secondary current output cable 21.
Resistance-type the first voltage sensor 3 inputs (being high-pressure side) are connected with the inlet wire binding post of the killer switch body 1 of permanent magnetic motor configuration, and its output (being low-pressure end) is connected with the voltage detecting end of intelligent control module 2.The high pressure of 3 pairs of inlet wire sides of resistance-type the first voltage sensor carries out electric resistance partial pressure, and the low voltage signal of its generation and secondary voltage output cable 22 transfer to intelligent control module 2.
Second voltage transducer 4 inputs (being high-pressure side) of resistance-type are connected with the outlet binding post of the killer switch body 1 of permanent magnetic motor configuration, and its output (being low-pressure end) is connected with the voltage detecting end of intelligent control module 2.The high pressure of 4 pairs of outgoing line sides of second voltage transducer of resistance-type carries out electric resistance partial pressure, and the low voltage signal of its generation and secondary voltage output cable 22 transfer to intelligent control module 2.
Wherein, can select the second voltage transducer 4 of resistance-type the first voltage sensor 3 and resistance-type according to the parameter request of the input voltage of intelligent control module 2, make the voltage signal of its output can be directly inputted into intelligent control module 2.
Intelligent control module 2 is by the analysis judgement of the electric current to receiving and voltage signal; killer switch body 1 to the permanent magnetic motor configuration is controlled, and can realize that o-volt protection, overvoltage protection, overcurrent protection, segmentation are standbyly thrown, the functions such as the standby throwing of contact, small current grounding protection, automatic reclosing (such as the nominal operation order: minute-close minute-locking of close minute-2s-of close minute-2s-of 0.3s-).
Intelligent breaker in the present embodiment is applicable to the route protection of mesohigh electric line, and the killer switch body 1 of permanent magnetic motor configuration is three-phase ganged, and the quantity of the second voltage transducer 4 of resistance-type the first voltage sensor 3, resistance-type is 3.The line binding post of the killer switch body 1 of permanent magnetic motor configuration connects respectively mains side and the load side of electric line, and the second voltage transducer 4 of resistance-type the first voltage sensor 3 and resistance-type is exported respectively the low voltage signal that the higher line degree is arranged with the line voltage of the killer switch body 1 of permanent magnetic motor configuration.
In the present embodiment, the second voltage transducer 4 of resistance-type the first voltage sensor 3 and resistance-type is all the resistance-type voltage sensor, but in other practical applications, also can be only in the two one adopt the resistance-type voltage sensor.
The described a kind of intelligent breaker of the present embodiment, inlet wire side and outgoing line side at the killer switch body are respectively arranged with the resistance-type voltage sensor, the high voltage of inlet wire side and outgoing line side is converted to respectively to the low-voltage that can be directly used in intelligent control module, intelligent control module detects the analysis judgement to electric current and voltage signal, and according to testing result, the killer switch body is controlled, its connecting line construction is simple, easy for installation, and cost is low; And overcome traditional manual or half manual control mode, two primary voltages of Real-Time Monitoring, decompression automatically switches, and change-over time is short, can improve power supply quality, reduces the impact on the user.
Claims (7)
1. an intelligent breaker, it is characterized in that: comprise killer switch body (1), described killer switch body (1) is connected with intelligent control module (2); Described killer switch body (1) is connected with the input coupling of current transformer (5), and the output of described current transformer (5) is connected with the current detecting end of intelligent control module (2); Described killer switch body (1) is connected with the input of the first voltage sensor (3), and the output of described the first voltage sensor (3) is connected with the voltage detecting end of intelligent control module (2); Described killer switch body (1) is connected with the input of second voltage transducer (4), and the output of described second voltage transducer (4) is connected with the voltage detecting end of intelligent control module (2).
2. a kind of intelligent breaker according to claim 1, it is characterized in that: the inlet wire binding post of described killer switch body (1) is connected with the input of the first voltage sensor (3), and the outlet binding post of described killer switch body (1) is connected with the input of second voltage transducer (4).
3. a kind of intelligent breaker according to claim 1, it is characterized in that: the inlet wire binding post of described killer switch body (1) respectively with 3 the first voltage sensors (3) input be connected, the outlet binding post of described killer switch body (1) is connected with the input of 3 second voltage transducers (4) respectively.
4. a kind of intelligent breaker according to claim 1 is characterized in that: described current transformer (5) is connected with the current detecting end of intelligent control module (2) by secondary current output cable (21).
5. a kind of intelligent breaker according to claim 1, it is characterized in that: the output of described the first voltage sensor (3) and second voltage transducer (4) also is connected with the voltage detecting end of intelligent control module (2) by secondary voltage output cable (22) respectively.
6. a kind of intelligent breaker according to claim 1, it is characterized in that: described killer switch body (1) is the killer switch body of permanent magnetic motor configuration.
7. a kind of intelligent breaker according to claim 1, it is characterized in that: described the first voltage sensor (3) is resistance-type the first voltage sensor, the second voltage transducer that described second voltage transducer (4) is resistance-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103896308A CN103474973A (en) | 2013-09-02 | 2013-09-02 | Intelligent circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103896308A CN103474973A (en) | 2013-09-02 | 2013-09-02 | Intelligent circuit breaker |
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| CN103474973A true CN103474973A (en) | 2013-12-25 |
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| CN2013103896308A Pending CN103474973A (en) | 2013-09-02 | 2013-09-02 | Intelligent circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405393A (en) * | 2016-05-24 | 2017-02-15 | 国家电网公司 | Apparatus and method of determining faults of low voltage breaker incoming line terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003047156A (en) * | 2001-07-27 | 2003-02-14 | Hitachi Ltd | Linkage protection system for distributed power supply facility |
| CN103000441A (en) * | 2012-11-30 | 2013-03-27 | 北海银河开关设备有限公司 | Intelligent breaker |
| CN103208773A (en) * | 2013-04-10 | 2013-07-17 | 上海电器科学研究院 | Intelligent release of marine medium-voltage vacuum circuit breaker |
| CN203466562U (en) * | 2013-09-02 | 2014-03-05 | 国家电网公司 | Intelligent circuit breaker |
-
2013
- 2013-09-02 CN CN2013103896308A patent/CN103474973A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003047156A (en) * | 2001-07-27 | 2003-02-14 | Hitachi Ltd | Linkage protection system for distributed power supply facility |
| CN103000441A (en) * | 2012-11-30 | 2013-03-27 | 北海银河开关设备有限公司 | Intelligent breaker |
| CN103208773A (en) * | 2013-04-10 | 2013-07-17 | 上海电器科学研究院 | Intelligent release of marine medium-voltage vacuum circuit breaker |
| CN203466562U (en) * | 2013-09-02 | 2014-03-05 | 国家电网公司 | Intelligent circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405393A (en) * | 2016-05-24 | 2017-02-15 | 国家电网公司 | Apparatus and method of determining faults of low voltage breaker incoming line terminal |
| CN106405393B (en) * | 2016-05-24 | 2018-06-29 | 国家电网公司 | A kind of low-voltage circuit breaker end of incoming cables failure judgment device and method |
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Application publication date: 20131225 |