CN104617658A - Combined type continuous power-operated power supply applicable to indoor/ outdoor circuit breaker - Google Patents
Combined type continuous power-operated power supply applicable to indoor/ outdoor circuit breaker Download PDFInfo
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- CN104617658A CN104617658A CN201510066484.4A CN201510066484A CN104617658A CN 104617658 A CN104617658 A CN 104617658A CN 201510066484 A CN201510066484 A CN 201510066484A CN 104617658 A CN104617658 A CN 104617658A
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Abstract
The invention discloses a combined type continuous power-operated power supply applicable to an indoor/ outdoor circuit breaker. The combined type continuous power-operated power supply comprises a combined power supply module, a gating unit, a BUCK type DC-DC constant-current charging module, an energy storing medium, an automatic output gating diode, an emergent power supply diode and a BOOST type DC-DC voltage regulating module; the combined power supply module comprises a PT power supply AC/ DC module and a CT power supply AC/ DC module. According to the combined type continuous power-operated power supply applicable to the indoor/ outdoor circuit breaker, the combined power supply module with a plurality of general power supply modes is adopted to be the backup of the external power supply when the circuit breaker is used indoor/ outdoor, and therefore, the power supply reliability is improved; the function of automatically gating any channel for outputting can be automatically performed in case of inputting of a plurality of channels of the combined power supply module, so that the complex detection unit and delay can be avoided; the energy storing medium can automatically supply power and output in emergency in case of fault in the BOOST type DC-DC voltage regulating module, and thus the power supply reliability is further improved; a super capacitor with a long service life is used as the energy storing medium, and the maintenance is really saved.
Description
Technical field
The present invention relates to operating power electric power system field, be specifically related to a kind of combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers.
Background technology
High voltage permanent vacuum switch is the novel operating mechanism of one of development in recent years, and its operating power is generally 24V direct current.In order to realize the uninterrupted power supply to the operation of high voltage permanent vacuum switch, current published power supply plan comprises three kinds: the first scheme as shown in Figure 1, PT is adopted to input 220V low-voltage AC as operation power input power (normal operation mode), by AC-DC rectification module, 220V convert alternating current being become 24V direct current, is the controller in high voltage permanent vacuum switch operation control box and actuator's normal power supply.Have low pressure maintenance-free battery as energy-accumulating medium, through AC-DC charging module to constant-current charging of battery in operation control box simultaneously.When detecting that 220V low-voltage AC lost efficacy (spare mode), maintenance-free battery exports 24V direct current by DC-DC discharge module, thus can solve the operating power powerup issue of switch under circuit power down mode.In first scheme, as shown in Figure 2, by the power supply of energy-storage battery from 220V exchange power taking change into from the power taking of 24V direct current, during so normal work by bi-directional DC-DC unit to energy-storage battery constant current charge; And once detect that 220V exchanges dead electricity and namely exports 24V direct current via above-mentioned bi-directional DC-DC module.In the third scheme, as shown in Figure 3, during normal work, 220V AC rectification is low-voltage DC, then is that 24V direct current exports through Buck type DC-DC chopper control block transforms, charges through Buck type DC-DC constant current charge module to super capacitor simultaneously; Once fault, after diode, by Buck type DC-DC voltage regulating module, capacitance voltage is transformed to constant 24V direct current by super capacitor again and exports.
Although above-mentioned three kinds of designs all can realize the uninterrupted power supply ability of operating power, but still there is following problem: the supply power mode 1, in above-mentioned three kinds of schemes is single, the mode of PT or CT power taking is adopted to be difficult to provide operating power when being applicable to circuit dead electricity; 2, when multiple power supply is for subsequent use each other, need the operating state of other input sources of Real-Time Monitoring to select current power supply unit, this makes switch logic complicated on the one hand, depend critically upon monitoring means again simultaneously, if monitoring means fault, multichannel may be caused to power simultaneously and mutually disturb or do not power, thus reduce system reliability; 3, mode 3. in by the unique interface unit of DC-DC copped wave unit as power-supply system and follow-up load, once this copped wave unit breaks down will cause load dead electricity, reduce system reliability.
Summary of the invention
The object of the invention is the deficiency existed to solve above-mentioned background technology, proposing the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers that a kind of structure is simple, with low cost, reliability is high.
For achieving the above object, the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers designed by the present invention, its special character is, comprises Combined type electric source module, gating unit, BUCK type DC-DC constant current charge module, energy-accumulating medium, the automatic gate diode of output, emergency service diode and BOOST type DC-DC voltage regulating module, described Combined type electric source module comprises power AC/DC module and CT of PT and to power AC/DC module, all outputs of described Combined type electric source module are connected with the input of gating unit, the output of described gating unit is in parallel with the input of BUCK type DC-DC constant current charge module and the input of BOOST type DC-DC voltage regulating module, the output of described BUCK type DC-DC constant current charge module is in parallel with energy-accumulating medium, the high-voltage output end of described energy-accumulating medium is in parallel with the input of the input and emergency service diode that export automatic gate diode, the output of the automatic gate diode of described output is in parallel with the high voltage input terminal of BOOST type DC-DC voltage regulating module, the output of described emergency service diode is in parallel with the high-voltage output end of BOOST type DC-DC voltage regulating module.
Further, described Combined type electric source module also comprises the DC/DC module that the DC/DC module of indoor direct current supply and photovoltaic battery panel are powered.Combined type electric source module comprises DC/DC module that four power supply sources join or AC/DC module has been present in electric operating power supply system all, according to onsite application needs, can join dissimilar input source.Such as, during indoor use, can configure the DC/DC module that photovoltaic battery panel is powered, photovoltaic battery panel is loaded on roof, it exports introduces photovoltaic battery panel and to power the input port of corresponding DC/DC module; During outdoor application, four kinds of input sources are all accessible, and wherein indoor direct current supply port can input (as storage battery) by other direct currents external, thus plays effect for subsequent use each other.
Further, described gating unit is multiplex diode bridge line selection circuit.Multiplex diode bridge line selection circuit or logic gates all can realize the function that when Combined type electric source module multichannel inputs, the arbitrary road of automatic gating exports.
Further, described energy-accumulating medium is ultracapacitor.Ultracapacitor has high-performance, long service life, non-maintaining advantage.
Further, described PT the power output voltage of DC/DC module that AC/DC module, the DC/DC module of indoor direct current supply and photovoltaic battery panel power of AC/DC module, CT of powering is 10 ~ 30V.
Best, described PT the power output voltage of DC/DC module that AC/DC module, the DC/DC module of indoor direct current supply and photovoltaic battery panel power of AC/DC module, CT of powering is 20 ~ 24V.The output voltage of each module between 20V-24V and slightly deviation arranging from high to low according to the priority of setting.Wherein, the power output voltage of AC/DC module of described PT is 23 ~ 24V, the power output voltage of AC/DC module of described CT is 22 ~ 23V, the output voltage of the DC/DC module of described indoor direct current supply is 21 ~ 22V, the output voltage of the DC/DC module that described photovoltaic battery panel is powered is 20 ~ 21V, then the output priority of each supply module is set as that power AC/DC module, CT of PT powers the DC/DC module that AC/DC module, the DC/DC module of indoor direct current supply and photovoltaic battery panel power successively
The present invention is compared with the usefulness of prior art: one, present invention employs the composite power supply module comprising multiple conventional way to take power, can realize circuit breaker indoors/outer application time externally fed type for subsequent use each other, improve power supply reliability; Two, multiplex diode bridge line or gating unit can realize the function that when Combined type electric source module multichannel inputs, the arbitrary road of automatic gating exports automatically, avoid complicated detecting unit and time delay; When three, emergency service diode can also realize BOOST type DC-DC voltage regulating module fault automatically, energy-accumulating medium emergency service exports, and further increases power supply reliability; Four, adopt ultracapacitor as energy-accumulating medium, because of its long service life, what can realize truly is non-maintaining.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first scheme of prior art.
Fig. 2 is the structural representation of prior art first scheme.
Fig. 3 is the structural representation of the third scheme of prior art.
Fig. 4 is structural representation of the present invention.
In figure: 1. Combined type electric source module, 1-1.PT powers AC/DC module, 1-2.CT powers AC/DC module, the DC/DC module of the indoor direct current supply of 1-3., the DC/DC module that 1-4. photovoltaic battery panel is powered, 2. gating unit, 3.BUCK type DC-DC constant current charge module, 4. energy-accumulating medium, 5. exports automatic gate diode, 6. emergency service diode, 7.BOOST type DC-DC voltage regulating module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 4, the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers provided by the present invention, comprises Combined type electric source module 1, gating unit 2, BUCK type DC-DC constant current charge module 3, energy-accumulating medium 4, exports automatic gate diode 5, emergency service diode 6 and BOOST type DC-DC voltage regulating module 7.
Combined type electric source module 1 comprises power AC/DC module 1-1, CT of PT and to power DC/DC module 1-4 tetra-parts that AC/DC module 1-2, the DC/DC module 1-3 of indoor direct current supply and photovoltaic battery panel power.Four outputs of Combined type electric source module 1 are all connected with the input of gating unit 2, the output of gating unit 2 is in parallel with the input of BUCK type DC-DC constant current charge module 3 and the input of BOOST type DC-DC voltage regulating module 7, the output of BUCK type DC-DC constant current charge module 3 is in parallel with energy-accumulating medium 4, the high-voltage output end of energy-accumulating medium 4 is in parallel with the input of the input and emergency service diode 6 that export automatic gate diode 5, the output exporting automatic gate diode 5 is in parallel with the high voltage input terminal of BOOST type DC-DC voltage regulating module 7, the output of emergency service diode 6 is in parallel with the high-voltage output end of BOOST type DC-DC voltage regulating module 7.
The course of work is: system is equipped with DC/DC module 1-4 tetra-kinds of Power supplies that the AC/DC module 1-2 that the AC/DC module 1-1, the CT that are powered by PT power, the DC/DC module 1-3 of indoor direct current supply and photovoltaic battery panel are powered simultaneously, and the output voltage of each module between 20V-24V and slightly deviation arranging from high to low according to the priority of setting.Such as set PT to power preferentially, be secondly that CT powers, is indoor direct current supply again, is finally that photovoltaic battery panel is powered, then PT the power output dc voltage of DC/DC module 1-4 tetra-modules that AC/DC module 1-2, the DC/DC module 1-3 of indoor direct current supply and photovoltaic battery panel power of AC/DC module 1-1, CT of powering can be set as 23-24V, 22-23V, 21-22V, 20-21V successively.Like this when the module for power supply that priority is higher, the diode that the module that priority is lower is strobed in unit 2 stops and is in hot stand-by duty; Once priority higher module because losing input source or faults itself causes this module dead electricity, supply module supplying power for outside after the automatic conducting of the diode in gating unit 2 that priority is more secondary, also stop other supply modules to export simultaneously.Just can guarantee just automatically can realize seamless switching without the need to status monitoring between each input source so, thus improve the adaptability under multiple input sources.When arbitrary input source module for power supply, it exports 24V direct current by Boost type DC-DC chopper control module 7 on the one hand, supply high voltage permanent vacuum switch control cabinet; Charge to the energy-accumulating medium 4 be made up of ultracapacitor by Buck type DC-DC constant current charge module 3 again simultaneously; The highest 24V of being no more than of charging voltage of energy-accumulating medium 4 is to guarantee that emergency service diode 6 ends.All input sources all dead electricity time, ultracapacitor exports constant 24V direct current through discharge diode 5 and Boost type DC-DC chopper control module 7.When Boost type DC-DC chopper control module 7 fault, energy-accumulating medium 4 exports the direct current of not voltage stabilizing to high voltage permanent vacuum switch control cabinet through emergency service diode 6, to provide emergency service power supply.
Compare conventional art, the present invention is configured with multiple input power and powers, and improves it to the applicability under the different occasions of indoor and outdoor and multiple supply power mode.Utilize simple and reliable diode circuit structure multiplex diode bridge line as gating unit 2 to realize the automatic gating function under multiple input source, without the need to status monitoring and complicated power switching logic, circuit is simply easy to realize and real-time is good.Emergency service power supply when utilizing emergency service diode 6 to provide Boost type DC-DC chopper control module 7 fault, can improve power supply reliability further when increasing hardware hardly.
Below be only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also design some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (7)
1. be applicable to a combined uninterrupted electric operation power for indoor and outdoor circuit breakers, it is characterized in that: comprise Combined type electric source module (1), gating unit (2), BUCK type DC-DC constant current charge module (3), energy-accumulating medium (4), export automatic gate diode (5), emergency service diode (6) and BOOST type DC-DC voltage regulating module (7), described Combined type electric source module (1) comprises power AC/DC module (1-1) and CT of PT and to power AC/DC module (1-2), all outputs of described Combined type electric source module (1) are connected with the input of gating unit (2), the output of described gating unit (2) is in parallel with the input of the input of BUCK type DC-DC constant current charge module (3) and BOOST type DC-DC voltage regulating module (7), the output of described BUCK type DC-DC constant current charge module (3) is in parallel with energy-accumulating medium (4), the high-voltage output end of described energy-accumulating medium (4) is in parallel with the input of the input and emergency service diode (6) that export automatic gate diode (5), the output of the automatic gate diode of described output (5) is in parallel with the high voltage input terminal of BOOST type DC-DC voltage regulating module (7), the output of described emergency service diode (6) is in parallel with the high-voltage output end of BOOST type DC-DC voltage regulating module (7).
2. the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers according to claim 1, is characterized in that: described Combined type electric source module (1) also comprises the DC/DC module (1-4) that the DC/DC module (1-3) of indoor direct current supply and photovoltaic battery panel are powered.
3. the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers according to claim 1, is characterized in that: described gating unit (2) is multiplex diode bridge line selection circuit.
4. the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers according to claim 1, is characterized in that: described energy-accumulating medium (4) is ultracapacitor.
5. the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers according to claim 2, is characterized in that: described PT the power output voltage of DC/DC module (1-4) that AC/DC module (1-2), the DC/DC module (1-3) of indoor direct current supply and photovoltaic battery panel power of AC/DC module (1-1), CT of powering is 10 ~ 30V.
6. the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers according to claim 5, is characterized in that: described PT the power output voltage of DC/DC module (1-4) that AC/DC module (1-2), the DC/DC module (1-3) of indoor direct current supply and photovoltaic battery panel power of AC/DC module (1-1), CT of powering is 20 ~ 24V.
7. the combined uninterrupted electric operation power being applicable to indoor and outdoor circuit breakers according to claim 6, it is characterized in that: the power output voltage of AC/DC module (1-1) of described PT is 23 ~ 24V, the power output voltage of AC/DC module (1-2) of described CT is 22 ~ 23V, the output voltage of the DC/DC module (1-3) of described indoor direct current supply is 21 ~ 22V, and the output voltage of the DC/DC module (1-4) that described photovoltaic battery panel is powered is 20 ~ 21V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066484.4A CN104617658A (en) | 2015-02-09 | 2015-02-09 | Combined type continuous power-operated power supply applicable to indoor/ outdoor circuit breaker |
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| CN201510066484.4A CN104617658A (en) | 2015-02-09 | 2015-02-09 | Combined type continuous power-operated power supply applicable to indoor/ outdoor circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112311083A (en) * | 2020-11-06 | 2021-02-02 | 杭州钧诺能源技术有限公司 | Multi-redundancy distributed mobile power supply system |
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Application publication date: 20150513 |