CN106487091A - A kind of double loop power supply device of WMG - Google Patents
A kind of double loop power supply device of WMG Download PDFInfo
- Publication number
- CN106487091A CN106487091A CN201610724820.4A CN201610724820A CN106487091A CN 106487091 A CN106487091 A CN 106487091A CN 201610724820 A CN201610724820 A CN 201610724820A CN 106487091 A CN106487091 A CN 106487091A
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- phase line
- relay
- access point
- auxiliary contact
- powered
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- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to supply unit is and in particular to a kind of double loop power supply device of WMG.In prior art, by single channel plant-grid connection, reliability is poor for WMG；And backup media gateway and its power-supply device are too high to solve this problem input cost.The present invention passes through three group relays, and relay J1 and relay J2 is primary catalyst, and auxiliary contact are normally off, and relay J3 is auxiliary reclay, and the electricapparatus realizing circuit are linkage interlocked.When phase line L1, phase line L2 power normal, powered by phase line L1；Phase line L1 fault, when phase line L2 is normal, is powered by phase line L2；Phase line L1 is normal, during phase line L2 fault, is powered by phase line L1.Such pattern that supplies power with double circuit is able to ensure that a road power supply is powered it is ensured that the stability powered all the time, and input cost is relatively low simultaneously.
Description
Technical field
The present invention relates to supply unit is and in particular to a kind of double loop power supply device of WMG.
Technical background
With the continuous improvement of social informatization degree, current power system, banking system and communication system are all set up
Various information comprehensive service systems, these systems can provide after sale, call, report for repairment and the service of other Business Processing.Matchmaker
Body gateway device is a part for calling service equipment, possesses the functions such as process voice call, encoding and decoding conversion, speech play.
During media gateway device fault, customer phone cannot turn artificial（Containing outgoing call）, self-assisted voice service can only be provided, because
This, WMG is the key position maintaining information comprehensive service system stable operation.
China widely uses three-phase alternating current, and three-phase alternating current is that frequency is identical, potential amplitude is equal, phase contrast by three
The power system of the alternating current circuit composition of mutual deviation hexagonal angle.At present, China produce, dispensing be all three-phase alternating current.It is by
The symmetrical winding of three groups of threephase generator produces, and each winding claims a phase together with its external circuit, remembers with A, B, C respectively.It
Group be collectively referred to as three-phase system, often in three-phase four-wire system mode, that is, star connection is powered.220 volts of power supply units of China can from A,
In B, C three-phase, an optional road and center line constitute loop power supply.At present, the power supply of media gateway device connects from power of computer room single channel
Enter, traffic all can be caused when power source trip, UPS fault and PDU fault to interrupt；In addition also need during supply line's maintenance
Want power-off, it cannot be guaranteed that media gateway device normally runs during maintenance.For guaranteeing externally to provide the call service of 24 hours, media
The hidden danger that gateway device single supply is powered must be addressed, and to reduce operations risks, the safety that lifting information system is run can
By property.Existing solution is：Again increase a commutator and a set of media gateway device as backup, and realize whole
Stream device is independently-powered, and WMG works independently.Although this kind of method can solve the problem that the problems referred to above, put into huge.
Content of the invention
It is an object of the invention to provide a kind of double loop power supply device of WMG, this device is capable of two-way 220V
Plant-grid connection, when power failure, switching in zero second between double loop power supply, and put into less.
In order to reach above goal of the invention, the technical scheme is that：A kind of double loop power supply device of WMG, bag
Include commutator, phase line L1 access point, phase line L2 access point, zero line N access point, also include switching device, described phase line L1 connects
Access point and phase line L2 access point are respectively connected to switching device；Described switching device includes relay J1, relay J2, relay
Device J3 and output point, relay J1 and relay J2 are primary catalyst, and relay J3 is auxiliary reclay, and relay J1 has
Individual normally closed auxiliary contact K1, relay J2 have individual normally closed auxiliary contact K2, relay J3 have a normally opened auxiliary contact K3 and
One normally closed auxiliary contact K4；Described relay J3 accesses and constitutes loop between phase line L1 access point and output point；Described
Relay J1 is connected with normally opened auxiliary contact K3 and normally closed auxiliary contact K2, then connects this series circuit access phase line L1
Loop is constituted between access point and output point；Described normally closed auxiliary contact K1 elder generation and normally closed auxiliary contact K4 and relay J2
Then this series circuit is accessed and constitutes loop between phase line L2 access point and output point 6 by series connection；The input of commutator 1 divides
Do not accessed by zero line N access point and output point.
Preferably, above-mentioned commutator is built-in with accumulator.
The method have technical effect that：
（1）Relay J1 and relay J2 is primary catalyst, and auxiliary contact are normally off, and relay J3 is auxiliary reclay
（Gang switch）, the electricapparatus realizing circuit are linkage interlocked.When phase line L1 and phase line L2 supply power with double circuit or the input event of phase line L2
In the case of barrier, relay J3 is normally opened and normally-closed contact is failure to actuate, and now circuit inputs as main input（I.e. phase line L1 is defeated
Enter）；When phase line L1 input fault, relay J3 normally opened contact closes, and normally-closed contact is opened, and now circuit input switches to standby
With input（I.e. phase line L2 input）.When phase line L1, phase line L2 power normal, powered by phase line L1；Phase line L1 fault, phase line L2 is just
Chang Shi, is powered by phase line L2；Phase line L1 is normal, during phase line L2 fault, is powered by phase line L1.Such supply power with double circuit pattern all the time
It is able to ensure that a road power supply is powered it is ensured that the stability powered.
（2）Again increase a commutator and a set of media gateway device as backup in compared to existing technology, and real
The independently-powered solution of existing commutator, the present invention only needs to put into three group relays, and input cost almost can be neglected
Slightly disregard.
（3）Preferably, above-mentioned commutator is built-in with accumulator, can carry in the case of all power-off of two-way electricity
For the power supply of certain time, it is that accident treatment wins buffer time.
Brief description：
Fig. 1 is the annexation schematic diagram of each part of the present invention.
Specific embodiment：
In order that the object of the invention, technical scheme and advantage become more apparent, further to the present invention below in conjunction with accompanying drawing
Describe in detail.
Referring to the drawings 1, a kind of double loop power supply device of WMG, including commutator 1, phase line L1 access point 2, phase line L2
Access point 3, zero line N access point 4, also include switching device 5, and described phase line L1 access point 2 and phase line L2 access point 3 connect respectively
Enter switching device 5；Described switching device 5 includes relay J1, relay J2, relay J3 and output point 6, relay
J1 and relay J2 is primary catalyst, and relay J3 is auxiliary reclay, and relay J1 has individual normally closed auxiliary contact K1, continues
Electrical equipment J2 has individual normally closed auxiliary contact K2, relay J3 to have an a normally opened auxiliary contact K3 and normally closed auxiliary contact K4；
Described relay J3 accesses between phase line L1 access point 2 and output point 6；Described relay J1 and normally opened auxiliary contact K3
And normally closed auxiliary contact K2 series connection, then this series circuit is accessed and constitute back between phase line L1 access point 2 and output point 6
Road；Described normally closed auxiliary contact K1 is first connected with normally closed auxiliary contact K4 and relay J2, then connects this series circuit
Enter composition loop between phase line L2 access point 3 and output point 6；The input of commutator 1 is respectively by zero line N access point 4 and defeated
Go out a little 6 access.
When phase line L1 access point 2, phase line L2 access point 3 equal normal power supply, power supply is by phase line L1 access point 2 through normally closed
Auxiliary contact K2, normally opened auxiliary contact K3, relay J1 access commutator 1；Because normally closed auxiliary contact K4 now disconnects, phase
Line L2 access point 3 is not accessed commutator 1, now powers for phase line L1 access point 2；
When only by when phase line L1 access point 2 is powered, power supply is by phase line L1 access point 2 through normally closed auxiliary contact K2, normally opened
Auxiliary contact K3, relay J1 access commutator 1；
When only by when phase line L2 access point 3 is powered, power supply is by phase line L2 access point 3 through normally closed auxiliary contact K1, normally closed
Auxiliary contact K4, relay J2 access commutator 1.
It is possible to the situation of two-way power supply all faults occurs it is preferred that commutator 1 is built-in with accumulator 7.Can be in two-way
The power supply of certain time is provided in the case of electricity all power-off, is that accident treatment wins buffer time.
The foregoing is only the schematic specific embodiment of the present invention, be not intended to limit the scope of the present invention, any
The equal change made on the premise of the design without departing from the present invention and principle and modification, all should belong to present invention protection model
Enclose.
Claims (2)
1. the double loop power supply device of a kind of WMG, including commutator（1）, phase line L1 access point（2）, phase line L2 access point
（3）, zero line N access point（4）It is characterised in that：Also include switching device（5）, described phase line L1 access point（2）With phase line L2
Access point（3）It is respectively connected to switching device（5）；Described switching device（5）Including relay (J1), relay (J2), continue
Electrical equipment (J3) and output point (6), relay（J1）And relay（J2）For primary catalyst, relay（J3）For middle relay
Device, relay (J1) has individual normally closed auxiliary contact（K1）, relay (J2) have individual normally closed auxiliary contact（K2）, relay
(J3) there are normally opened auxiliary contact（K3）With a normally closed auxiliary contact（K4）；Described relay (J3) accesses phase line L1
Access point（2）And output point (6) between；Described relay (J1) and normally opened auxiliary contact（K3）And normally closed auxiliary contact
（K2）Then this series circuit is accessed phase line L1 access point by series connection（2）Loop is constituted and output point (6) between；Described is normal
Close auxiliary contact（K1）Elder generation and normally closed auxiliary contact（K4）And relay (J2) series connection, then this series circuit is accessed phase
Line L2 access point（3）Loop is constituted and output point (6) between；Commutator（1）Input respectively by zero line N access point（4）With
And output point (6) accesses.
2. as claimed in claim 1 a kind of double loop power supply device of WMG it is characterised in that described commutator（1）Interior
It is equipped with accumulator（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724820.4A CN106487091A (en) | 2016-08-26 | 2016-08-26 | A kind of double loop power supply device of WMG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724820.4A CN106487091A (en) | 2016-08-26 | 2016-08-26 | A kind of double loop power supply device of WMG |
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| Publication Number | Publication Date |
|---|---|
| CN106487091A true CN106487091A (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610724820.4A Pending CN106487091A (en) | 2016-08-26 | 2016-08-26 | A kind of double loop power supply device of WMG |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206512Y (en) * | 1994-11-05 | 1995-08-30 | 黄忠益 | Double-power-supply full-automatic switching device |
| CN101651358A (en) * | 2009-09-10 | 2010-02-17 | 安徽方兴科技股份有限公司 | Three-way power supply automatic switching line for improving service life of EPS system |
| CN202840676U (en) * | 2012-10-26 | 2013-03-27 | 张志强 | Low-voltage double-power-supply automatic switching device |
| CN203537056U (en) * | 2013-11-07 | 2014-04-09 | 重庆荣凯川仪仪表有限公司 | Self-recovery device for UPS output fault |
| CN204794329U (en) * | 2015-04-28 | 2015-11-18 | 中国华电工程(集团)有限公司 | Single -phase electric dual supply automatic switching control equipment |
| CN206060344U (en) * | 2016-08-26 | 2017-03-29 | 国家电网公司客户服务中心南方分中心 | A kind of double loop power supply device of WMG |
-
2016
- 2016-08-26 CN CN201610724820.4A patent/CN106487091A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206512Y (en) * | 1994-11-05 | 1995-08-30 | 黄忠益 | Double-power-supply full-automatic switching device |
| CN101651358A (en) * | 2009-09-10 | 2010-02-17 | 安徽方兴科技股份有限公司 | Three-way power supply automatic switching line for improving service life of EPS system |
| CN202840676U (en) * | 2012-10-26 | 2013-03-27 | 张志强 | Low-voltage double-power-supply automatic switching device |
| CN203537056U (en) * | 2013-11-07 | 2014-04-09 | 重庆荣凯川仪仪表有限公司 | Self-recovery device for UPS output fault |
| CN204794329U (en) * | 2015-04-28 | 2015-11-18 | 中国华电工程(集团)有限公司 | Single -phase electric dual supply automatic switching control equipment |
| CN206060344U (en) * | 2016-08-26 | 2017-03-29 | 国家电网公司客户服务中心南方分中心 | A kind of double loop power supply device of WMG |
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Application publication date: 20170308 |
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