CN202840673U - Double power switch control system - Google Patents
Double power switch control system Download PDFInfo
- Publication number
- CN202840673U CN202840673U CN2012205037210U CN201220503721U CN202840673U CN 202840673 U CN202840673 U CN 202840673U CN 2012205037210 U CN2012205037210 U CN 2012205037210U CN 201220503721 U CN201220503721 U CN 201220503721U CN 202840673 U CN202840673 U CN 202840673U
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- China
- Prior art keywords
- power supply
- control system
- power
- switch control
- stand
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a double power switch control system, including a common power supply circuit and a standby power supply circuit. The common power supply circuit is connected to a first voltage detection circuit. An intermediate relay is arranged on the first voltage detection circuit. The intermediate relay controls the on or off of a power supply switch of the standby power supply circuit. The double power switch control system provided by the utility model realizes the intelligent switching between the common power supply and the standby power supply through the intermediate relay, and the control cost is low.
Description
Technical field
The utility model relates to a kind of mains switch control technology, is specifically related to a kind of twin-power switch control system.
Background technology
Dual power supply refers to by two separate power supplys to the load power supply.In the prior art, dual power supply is mainly controlled by Twin-power swich.Twin-power switch mainly is to adopt the compositions such as breaker of plastic casing and annex (auxiliary, Alarm contactor) thereof, mechanical interlocking transmission mechanism, intelligent controller, and it is the control core structure that intelligent controller adopts single-chip microcomputer, powerful; But single-chip microcomputer is as the twin-power switch control core, and cost is high, thereby has increased controlling cost that duplicate supply switches.
The utility model content
The purpose of this utility model is to overcome above shortcoming, and a kind of twin-power switch control system is provided, and this control system makes intelligence switching between the duplicate supply, and it is low to control cost.
The technical solution of the utility model is:
A kind of twin-power switch control system, described control system comprises power-supplying circuit commonly used and stand-by power supply power supply circuits, described power-supplying circuit commonly used is connected with the first voltage detecting circuit, be provided with an auxiliary relay on described the first voltage detecting circuit, the mains switch that described auxiliary relay is controlled described stand-by power supply power supply circuits disconnects or closure.
Further, described stand-by power supply power supply circuits are connected with the second voltage testing circuit, and described second voltage testing circuit is provided with a phase sequence relay.
Further, be respectively arranged with current transformer in described power-supplying circuit commonly used and the described stand-by power supply power supply circuits.
Further, the two ends of described auxiliary relay are respectively arranged with fuse.
Further, be provided with described fuse on the described second voltage testing circuit.
Further, described power-supplying circuit commonly used and described stand-by power supply power supply circuits are respectively three-phase circuit.
The twin-power switch control system that the utility model provides has following advantage:
1, the twin-power switch control system that provides of the utility model makes and realize between the duplicate supply that intelligence switches, and it is low to control cost.The twin-power switch control system that the utility model provides, comprise power-supplying circuit commonly used and stand-by power supply power supply circuits, power-supplying circuit commonly used is connected with the first voltage detecting circuit, be provided with an auxiliary relay on the first voltage detecting circuit, and the mains switch of auxiliary relay control stand-by power supply power supply circuits disconnects or closure.The twin-power switch control system that the utility model provides, power-supplying circuit commonly used is connected with auxiliary relay, and the mains switch of auxiliary relay control stand-by power supply power supply circuits disconnects or is closed, realizes that the intelligence between the duplicate supply is switched.The twin-power switch control system realizes switching controls by relay, and the cost of relay is low, thereby has reduced controlling cost that duplicate supply switches.
2, the twin-power switch control system that provides of the utility model, power supply safety, reliable.The twin-power switch control system that the utility model provides, the stand-by power supply power supply circuits are connected with the second voltage testing circuit, the second voltage testing circuit is provided with a phase sequence relay, phase sequence relay is protected the stand-by power supply power supply circuits, when the stand-by power supply power supply circuits overvoltage occurs or when under-voltage, phase sequence relay disconnects the stand-by power supply power supply circuits, realizes the protection to load; Be respectively arranged with current transformer in power-supplying circuit commonly used and the stand-by power supply power supply circuits, current transformer can convert the larger primary current of numerical value to numerical value less secondary current, thereby circuit is played a protective role, when circuital current occurs unexpected when excessive, can reduce rush of current to the impact of load, make load running safety, reliable; Particularly when the two ends of second voltage testing circuit and auxiliary relay are respectively arranged with fuse, the safety and reliability of circuit and load have further been guaranteed.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit theory diagrams of the utility model twin-power switch control system;
Reference numeral: 1-commonly uses power-supplying circuit, 2-stand-by power supply power supply circuits, 3-the first voltage detecting circuit, the 4-auxiliary relay, 5-second voltage testing circuit, 6-phase sequence relay, the 7-current transformer, 8-fuse, the mains switch of 9-stand-by power supply power supply circuits.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
In conjunction with Fig. 1, a kind of twin-power switch control system, comprise power-supplying circuit 1 commonly used and stand-by power supply power supply circuits 2, power-supplying circuit 1 commonly used is connected with the first voltage detecting circuit 3, be provided with an auxiliary relay 4 on the first voltage detecting circuit 3, the mains switch 9 of auxiliary relay 4 control stand-by power supply power supply circuits disconnects or is closed.The direction of arrow among the figure represents direction of current flow.
The first voltage detecting circuit 3 detects the voltage of power-supplying circuit 1 commonly used, when the voltage that detects power-supplying circuit 1 commonly used is normal, the mains switch 9 of auxiliary relay 4 control stand-by power supply power supply circuits disconnects, and makes the power supply that offers load be power supply commonly used; When the voltage that detects power-supplying circuit 1 commonly used is zero, mains switch 9 closures of auxiliary relay 4 control stand-by power supply power supply circuits, making the power supply that offers load is stand-by power supply.Auxiliary relay 4 inside include auxiliary contact, and auxiliary relay 4 is realized the mains switch 9 of disconnection or closed stand-by power supply power supply circuits by auxiliary contact.
The twin-power switch control system that the utility model provides, the intelligence of duplicate supply are switched by the auxiliary relay realization, have reduced controlling cost that duplicate supply switches.
In the present embodiment; stand-by power supply power supply circuits 2 are connected with second voltage testing circuit 5; second voltage testing circuit 5 is provided with a phase sequence relay 6, and phase sequence relay 6 is for detection of the voltage condition of stand-by power supply power supply circuits 2, and realization is to the protection of stand-by power supply power supply circuits.Overvoltage appears in stand-by power supply power supply circuits 2 or when under-voltage, phase sequence relay 6 disconnects the stand-by power supply power supply circuits when phase sequence relay 6 detects, thereby the protection load is not subjected to rush of current.
In the present embodiment; be respectively arranged with current transformer 7 in power-supplying circuit 1 commonly used and the stand-by power supply power supply circuits 2; current transformer 7 can convert the larger primary current of numerical value to numerical value less secondary current; thereby circuit is played a protective role; when circuital current occurs unexpected when excessive; can reduce rush of current to the impact of load, make payload security, reliable.
Preferably, the two ends of auxiliary relay 4 are respectively arranged with fuse 8, can be provided with fuse 8 equally on the second voltage testing circuit 5, and fuse 8 mainly carries out short-circuit protection or serious overload protection, have further guaranteed the safety and reliability of circuit and load.
In the present embodiment, power-supplying circuit commonly used and stand-by power supply power supply circuits are respectively three-phase circuit.
The twin-power switch control system that the utility model provides, realize the intelligence between power supply commonly used and the stand-by power supply is switched by auxiliary relay, compare with the Single-chip Controlling of prior art, the auxiliary relay cost is low, thereby has reduced controlling cost of whole twin-power switch control system.
The above only is preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing, is equal to replacement etc. in protection range of the present utility model, all should be included within the protection range of the present utility model.
Claims (6)
1. twin-power switch control system, it is characterized in that, described control system comprises power-supplying circuit commonly used and stand-by power supply power supply circuits, described power-supplying circuit commonly used is connected with the first voltage detecting circuit, be provided with an auxiliary relay on described the first voltage detecting circuit, the mains switch that described auxiliary relay is controlled described stand-by power supply power supply circuits disconnects or closure.
2. twin-power switch control system according to claim 1 is characterized in that, described stand-by power supply power supply circuits are connected with the second voltage testing circuit, and described second voltage testing circuit is provided with a phase sequence relay.
3. twin-power switch control system according to claim 2 is characterized in that, is respectively arranged with current transformer in described power-supplying circuit commonly used and the described stand-by power supply power supply circuits.
4. twin-power switch control system according to claim 3 is characterized in that, the two ends of described auxiliary relay are respectively arranged with fuse.
5. twin-power switch control system according to claim 4 is characterized in that, is provided with described fuse on the described second voltage testing circuit.
6. each described twin-power switch control system in 5 according to claim 1 is characterized in that, described power-supplying circuit commonly used and described stand-by power supply power supply circuits are respectively three-phase circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205037210U CN202840673U (en) | 2012-09-28 | 2012-09-28 | Double power switch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205037210U CN202840673U (en) | 2012-09-28 | 2012-09-28 | Double power switch control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840673U true CN202840673U (en) | 2013-03-27 |
Family
ID=47952288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205037210U Expired - Fee Related CN202840673U (en) | 2012-09-28 | 2012-09-28 | Double power switch control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811377A (en) * | 2014-12-31 | 2016-07-27 | 上海良信电器股份有限公司 | Built-in protection module control circuit used for replacing controller of breaker |
| CN113644728A (en) * | 2021-07-12 | 2021-11-12 | 泉州亿兴电力工程建设有限公司泉州经济技术开发区分公司 | Dual-power supply circuit and device |
-
2012
- 2012-09-28 CN CN2012205037210U patent/CN202840673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811377A (en) * | 2014-12-31 | 2016-07-27 | 上海良信电器股份有限公司 | Built-in protection module control circuit used for replacing controller of breaker |
| CN105811377B (en) * | 2014-12-31 | 2018-12-07 | 上海良信电器股份有限公司 | The built-in protective module control circuit of breaker more changer controller |
| CN113644728A (en) * | 2021-07-12 | 2021-11-12 | 泉州亿兴电力工程建设有限公司泉州经济技术开发区分公司 | Dual-power supply circuit and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20190928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |