CN202737560U - Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet - Google Patents
Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet Download PDFInfo
- Publication number
- CN202737560U CN202737560U CN2012203963337U CN201220396333U CN202737560U CN 202737560 U CN202737560 U CN 202737560U CN 2012203963337 U CN2012203963337 U CN 2012203963337U CN 201220396333 U CN201220396333 U CN 201220396333U CN 202737560 U CN202737560 U CN 202737560U
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- Prior art keywords
- incoming power
- standby
- wire incoming
- main
- circuit breaker
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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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Abstract
The utility model discloses a voltage-loss protection circuit of a dual-power wire incoming high-voltage switch cabinet, comprising a main wire incoming power supply and a standby wire incoming power supply, wherein power input sides of the main wire incoming power supply and the standby wire incoming power supply are respectively provided with a voltage transformer, the main wire incoming power supply is provided with a main circuit breaker, the standby wire incoming power supply is provided with a standby circuit breaker, and the main circuit breaker and the standby circuit breaker are respectively equipped with a voltage-loss electromagnet. Compared with the prior art, the voltage-loss protection circuit of the dual-power wire incoming high-voltage switch cabinet, provided by the utility model, has the advantage that when one wire incoming power supply is supplying power, the other wire incoming power supply can be reliably switched off, thereby avoiding the occurrence of various accidents caused by the fact that the two wire incoming power supplies may supply power simultaneously.
Description
Technical field
The utility model relates to two electric inlet wire high-tension switch cabinet fields, exactly refers to a kind of two electric inlet wire high-tension switch cabinet o-volt protection circuit.
Background technology
At present, because the high stratification of commercial and residential building, a little important departments and key enterprise increase in addition, for keeping to the side property and the fail safe that improves these department's electricity consumptions, often adopt dual power supply (primary is for subsequent use), when a current supply circuit during without electricity, immediately by another back-up circuit power supply, thereby improve protection and the reliability of power supply quality.When adopting dual power supply, as wherein a wire inlet loop is not when having main power source, unreliable this loop main circuit breaker of disjunction just drops into another wire inlet loop again, so just forms easily two power supply paired runnings.Because the voltage of two incoming powers, frequency, phase place are not exclusively equal, just produce vibration at electrical network easily, and circulation even phase fault cause serious accident.
The utility model content
For defects; the technical problem that the utility model solves is to provide a kind of two electric inlet wire high-tension switch cabinet o-volt protection circuit; guarantee when an incoming power is powered, the reliable disjunction of another inlet wire power supply source, thus avoided two incoming powers simultaneously for the various accidents of cause.
In order to solve above technical problem; the two electric inlet wire high-tension switch cabinet o-volt protection circuit that the utility model provides; comprise main incoming power and standby incoming power; electricity input side at described main incoming power and described standby incoming power respectively is provided with a voltage transformer; described main incoming power is provided with main circuit breaker; described standby incoming power is provided with standby circuit breaker, is separately installed with the decompression electromagnet on described main circuit breaker and the described standby circuit breaker.
Preferably, be respectively arranged with two circuit breakers on described main incoming power and the described standby dish road circuit of incoming power.
Preferably, described decompression electromagnet comprises electromagnetic core, dropout plate, dropout semiaxis and dropout fanning strip, and described dropout plate is connected with described dropout semiaxis, and described dropout fanning strip snaps on the described dropout semiaxis, and described electromagnetic core cooperates with described dropout plate.
The two electric inlet wire high-tension switch cabinet o-volt protection circuit that the utility model provides; comprise main incoming power and standby incoming power; electricity input side at described main incoming power and described standby incoming power respectively is provided with a voltage transformer; described main incoming power is provided with main circuit breaker; described standby incoming power is provided with standby circuit breaker, is separately installed with the decompression electromagnet on described main circuit breaker and the described standby circuit breaker.Compared with prior art; the two electric inlet wire high-tension switch cabinet o-volt protection circuit that the utility model provides; owing to be separately installed with the decompression electromagnet on main incoming power and the standby circuit breaker of incoming power; guarantee when an incoming power is powered; the reliable disjunction of another inlet wire power supply source, thus avoided two incoming powers simultaneously for the various accidents of cause.
Description of drawings
Fig. 1 is the structural representation of decompression electromagnet in two electric inlet wire high-tension switch cabinet o-volt protection circuit among the utility model embodiment.
Embodiment
For those skilled in the art can understand technical scheme provided by the utility model better, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the structural representation of decompression electromagnet in two electric inlet wire high-tension switch cabinet o-volt protection circuit among the utility model embodiment.
The two electric inlet wire high-tension switch cabinet o-volt protection circuit that present embodiment provides; comprise main incoming power and standby incoming power; electricity input side at main incoming power and standby incoming power respectively is provided with a voltage transformer; main incoming power is provided with main circuit breaker; standby incoming power is provided with standby circuit breaker, is separately installed with the decompression electromagnet on main circuit breaker and the standby circuit breaker.Be respectively arranged with two circuit breakers on main incoming power and the standby dish road circuit of incoming power.
At two incoming power electricity input sides a voltage transformer (JDZ-10/0.22KV) is installed respectively, for the decompression loop provides working power, at the main circuit breaker of two incoming powers with in the circuit breaker decompression electromagnet has been installed respectively simultaneously.When main incoming power and standby incoming power during without electricity, two circuit breakers of the dish road circuit of main incoming power and standby incoming power can be in the separating brake shape automatically, reliably avoid two wire inlet loops to power simultaneously.When the inlet wire side of main incoming power was charged, voltage transformer got electric, and decompression circuit controls power supply has electricity, the capacitor C charging, auxiliary relay gets electric, and the normally closed head of auxiliary relay disconnects, and the decompression electromagnet is without electricity, be failure to actuate, the main circuit breaker of main incoming power can close a floodgate, the major loop normal operation; When the inlet wire side dead electricity of main incoming power, voltage transformer is without electricity, decompression circuit controls power supply is without electricity, and capacitor C is discharged, the auxiliary relay dead electricity, the auxiliary relay normally closed interlock is closed, this moment because of main circuit breaker also in "on" position, the main circuit breaker auxiliary contact is in closure state, the decompression electromagnet is charged, the action of decompression electromagnet, the main circuit breaker automatic brake separating of main incoming power.The decompression work of electromagnet principle of standby incoming power in like manner.
The decompression electromagnet comprises electromagnetic core 1, dropout plate 2, dropout semiaxis 3 and dropout fanning strip 4, and dropout plate 1 is connected with dropout semiaxis 2, and dropout fanning strip 4 snaps on the dropout semiaxis 3, and electromagnetic core 1 cooperates with dropout plate 2.The decompression electromagnet get electric after, electromagnetic core 1 moves upward, and drives dropout semiaxis 3 and rotates, dropout fanning strip 4 is freed under the effect of button spring power, brake separating mechanism is under the effect of separating brake tension spring pulling force, the main circuit breaker separating brake no longer provides power supply to major loop.
Compared with prior art; the two electric inlet wire high-tension switch cabinet o-volt protection circuit that the utility model provides; owing to be separately installed with the decompression electromagnet on main incoming power and the standby circuit breaker of incoming power; guarantee when an incoming power is powered; the reliable disjunction of another inlet wire power supply source, thus avoided two incoming powers simultaneously for the various accidents of cause.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. two electric inlet wire high-tension switch cabinet o-volt protection circuit; comprise main incoming power and standby incoming power; it is characterized in that; electricity input side at described main incoming power and described standby incoming power respectively is provided with a voltage transformer; described main incoming power is provided with main circuit breaker; described standby incoming power is provided with standby circuit breaker, is separately installed with the decompression electromagnet on described main circuit breaker and the described standby circuit breaker.
2. described two electric inlet wire high-tension switch cabinet o-volt protection circuit according to claim 1 is characterized in that, is respectively arranged with two circuit breakers on described main incoming power and the described standby dish road circuit of incoming power.
3. described two electric inlet wire high-tension switch cabinet o-volt protection circuit according to claim 1; it is characterized in that; described decompression electromagnet comprises electromagnetic core, dropout plate, dropout semiaxis and dropout fanning strip; described dropout plate is connected with described dropout semiaxis; described dropout fanning strip snaps on the described dropout semiaxis, and described electromagnetic core cooperates with described dropout plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203963337U CN202737560U (en) | 2012-08-06 | 2012-08-06 | Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203963337U CN202737560U (en) | 2012-08-06 | 2012-08-06 | Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737560U true CN202737560U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203963337U Expired - Fee Related CN202737560U (en) | 2012-08-06 | 2012-08-06 | Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167712A (en) * | 2014-08-21 | 2014-11-26 | 刘剑华 | Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source |
-
2012
- 2012-08-06 CN CN2012203963337U patent/CN202737560U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167712A (en) * | 2014-08-21 | 2014-11-26 | 刘剑华 | Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source |
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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: 20130213 Termination date: 20160806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |