CN2361024Y - Bus connection self-throwing controller - Google Patents
Bus connection self-throwing controller Download PDFInfo
- Publication number
- CN2361024Y CN2361024Y CN 99204870 CN99204870U CN2361024Y CN 2361024 Y CN2361024 Y CN 2361024Y CN 99204870 CN99204870 CN 99204870 CN 99204870 U CN99204870 U CN 99204870U CN 2361024 Y CN2361024 Y CN 2361024Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- control unit
- output
- switch
- control coil
- Prior art date
- 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
Links
Abstract
The utility model relates to a power supply automatic control device. A bus connection self-throwing controller comprises a voltage detecting control unit W1, a programmable control unit W2 and a power switch switching control unit W3, wherein, the voltage detecting control unit is respectively connected with three phase power supplies of a power supply I and a power supply II, and an output end of the voltage detecting control unit is connected with an input end of the programmable control unit of which a plurality of output ends are respectively connected to control coils of a plurality of switches of a power supply system; the power supply switching control unit is connected with an A phase of the power supply I, an A phase of the power supply II and a house generator GE; an output end M of the power supply switching control unit is connected with a personal power supply line of the bus connection self-throwing controller. The utility model can meet different interlocking functional requirements only by changing programs, needs no redesign or wiring, and thus has strong function changing flexibility.
Description
The utility model relates to a kind of electric power system power supply power supply automatic control equipment.
The at present two-way electric supply systems that adopt of China's electric power system more.When one road power supply breaks down, can cut away this service entrance switch, and another road power supply be sent into by bus connection switch, to important load, also need the house generator group to guarantee to continue power supply.This generic operation all requires machinery and electrical interlocks mode at present, need to use a large amount of voltage relays, the time relay, auxiliary relay and change over switch, make that circuit scleroma line is very complicated, so system reliability is not high, make inconvenient maintenance, and because the user requires to have nothing in common with each other to chain function, different system all need redesign, connect up, and the function change is very dumb.
The purpose of this utility model is to provide a kind of system reliability height, it is easy to maintenance to make, automatic control equipment is powered in the function change flexibly.
The utility model is achieved in that female connection hauls oneself willingly into controller and comprise voltage detecting control unit W
1, programmable control unit W
2With power supply switch control unit W
3The voltage detecting control unit links to each other with the three phase mains of power supply I, power supply II respectively, its output P
01Input D with the programmable control unit
1Link to each other output P
02Input D with monitor unit
2Link to each other; Several outputs of programmable control unit are connected respectively on the control coil of the several switches of electric power system; The A of power supply switch control unit by relay and power supply I mutually, the A of power supply II mutually and house generator GE link to each other its output MA
0, MA is connected to female connection and hauls oneself willingly in the supply line of controller self.
Above-mentioned voltage detection unit W1 comprises the voltage sensor that links to each other with power supply, and the output of voltage sensor links to each other with the input of logical OR gate circuit, and the output of logical OR gate circuit is connected to programmable control unit W
2Input.
Above-mentioned programmable control unit W
2Output comprise: with the control coil U of the switch 1QF of power supply I
1The output D that links to each other
3Control coil U with the switch 2QF of power supply II
2The output D that links to each other
5And the control coil U of the bus connection switch 3QF between power supply I and the II
3The output D that links to each other
0And the control coil U of the switch 4QF between bus I and the important load
4The output D that links to each other
4With house generator GE control coil U
0The output D that links to each other
6And the control coil U of the switch between important load and the house generator
5The output D that links to each other
7
The utility model is gathered, is detected the multiple-way supply power parameter by voltage detection unit, differentiates " dead electricity " and " getting electric " state, sends corresponding signal, thereby has replaced numerous and jumbled voltage relay system; These signals pass to the programmable control unit, can be according to prior by the operator scheme that programs and set, send separating brake or closing operation order, and the order that whether starts the house generator power supply, the connected mode that has replaced the time relay, auxiliary relay and electromechanical interlock like this, avoided the factor of relay reliability difference, and the unreliable factor of complicated wiring initiation; The power supply switch control unit can guarantee the utility model equipment self electricity consumption needs, makes the system reliability height, and is simple in structure, makes easy to maintenance.The utility model only needs conversion to program can adapt to the requirement of different interlocks, does not need redesign, wiring, has stronger function change flexibility.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is that the utility model is connected in the connection diagram in the duplex feeding system.
As shown in the figure, voltage detection unit W
1Voltage sensor L
1Be communicated with voltage sensor L with the three phase mains of power supply I by 1A, 1B, 1C, 1N four lines
2Be communicated with by 2A, 2B, 2C, 2N four lines with the three phase mains of power supply II; L
1By the logical OR gate circuit through P
01End points and programmable control unit W
2D
1End links to each other, in like manner, and P
02With D
2Link to each other.When certain phase factor fault of power supply I (or II) or artificial the cut-out make voltage drop be low to moderate 70% when following, through L of rated value
1(or L
2) detect output P
01(or P
02) send " dead electricity " signal, D
1(or D
2) receive " dead electricity " signal, W
2In conjunction with the electric power system operation conditions, through logical operation, judgement, immediately from its output D3 (or D5) send " separating brake " signal deliver to bus I ' (or II ') the control coil U of main switch 1QF (or 2QF)
1(or U
2), make 1QF (or 2QF) separating brake immediately, and W
2Output D
0Send subsequently that " " signal is to control coil U for combined floodgate
3, make bus connection switch 3QF " combined floodgate ", make bus I ' (or II ') obtain power supply from bus II ' (or I ') by bus connection switch 3QF.
When power supply I (or II) has electricity, L by " dead electricity " recovering state
1(or L
2) voltage is detected, when voltage returns to 82% when above, through P of rated value
01(or P
02) send " getting electric " signal, deliver to D
1(or D
2), W then
2In conjunction with the electric power system operation conditions,, send the control coil U that " separating brake " signal is delivered to 3QF from its output D0 immediately through logical operation, judgement
3, make 3QF " separating brake " earlier, after time-delay, from its output D
3(or D
5) send the control coil U that " combined floodgate " signal is delivered to main switch 1QF (or 2QF)
1(or U
2), making 1QF (or 2QF) " combined floodgate " immediately, electric power system is recovered to be powered by power supply I (or II).
As the equal dead electricity of power supply I (or II) or power failure, i.e. P
01And P
02All send " dead electricity " signal, then W
2Through logical operation, judgement, immediately from its output D
3, D
5And D
4Send " separating brake " signal and deliver to the control coil U of 1QF, 2QF and 4QF
1, U
2And U
4, make 1QF, 2QF and 4QF separating brake, simultaneously from D
6And D
7Send " combined floodgate " signal, control coil U
GReceive the signal enabling generator, control coil U
5Receive signal, make the switch paraphase that connects important load H in K
2The position, like this, when duplex feeding system all when " dead electricity ", important load can be powered by house generator.
Power supply switch control unit W
3Function be the power supply of guaranteeing that female connection is hauled oneself willingly into controller.Relay ZJ is got electric by the 1A of power supply I, its normal opened contact ZJ1 closure, and normally closed contact ZJ2 disconnects, and female connection is hauled oneself willingly into controller by MA
0Obtain power supply; When power supply I dead electricity, relay ZJ outage, normal opened contact ZJ1 disconnects, and normally closed contact ZJ2 closure makes female connection haul oneself willingly into controller and passes through the 2A of power supply II through MA
0Obtain power supply; At bus I ' and II ' all during dead electricity, the equal dead electricity of 1A, 2A, female connection is hauled oneself willingly into controller by the intermediate relay ZJ dead electricity, the house generator power supply can start, and it is electric that relay IZJ is got, its normal opened contact 1ZJ2 closure, normally closed contact 1ZJ1 disconnects, and MA becomes supply line.MN is a common ground among the figure, and M is W
3Haul oneself willingly into the contact of controller self supply line with mother's connection.
Claims (3)
1. a female connection is hauled oneself willingly into controller, it is characterized in that: comprise voltage detecting control unit (W
1), programmable control unit (W
2) and power supply switch control unit (W
3); The voltage detecting control unit links to each other its output (P with the three phase mains of power supply (I), power supply (II) respectively
01) with the input (D of monitor unit
1) link to each other output (P
02) with the input (D of programmable control unit
2) link to each other; Several outputs of programmable control unit are connected respectively on the control coil of the several switches of electric power system; The A of power supply switch control unit by relay and power supply (I) mutually, the A phase of power supply (II), and house generator (GE) links to each other, its output (M) is connected to female connection and hauls oneself willingly in the supply line of controller self.
2. female connection according to claim 1 is hauled oneself willingly into controller, it is characterized in that: described voltage detection unit (W
1) comprising the voltage sensor that links to each other with power supply, the output of voltage sensor links to each other with the input of logical OR gate circuit, and the output of logical OR gate circuit is connected to programmable control unit (W
2) input.
3. female connection according to claim 1 is hauled oneself willingly into controller, it is characterized in that: described programmable control unit (W
2) output comprise: with the control coil (U of the switch (1QF) of power supply (I)
1) continuous output (D
3); Control coil (U with the switch (2QF) of power supply (II)
2) continuous output (D
5); And power supply (I) and (II) between the control coil (U of bus connection switch (3QF)
3) continuous output (D
0); And the control coil (U of the switch (4QF) between bus (I ') and the important load (H)
4) continuous output (D
4); With house generator (GE) control coil (U
G) continuous output (D
6); And the control coil (U of the switch between important load and the house generator
5) continuous output (D
7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204870 CN2361024Y (en) | 1999-02-25 | 1999-02-25 | Bus connection self-throwing controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204870 CN2361024Y (en) | 1999-02-25 | 1999-02-25 | Bus connection self-throwing controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2361024Y true CN2361024Y (en) | 2000-01-26 |
Family
ID=33999556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99204870 Expired - Fee Related CN2361024Y (en) | 1999-02-25 | 1999-02-25 | Bus connection self-throwing controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2361024Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211553A (en) * | 2010-04-02 | 2011-10-12 | 苏州千里马电子科技有限公司 | Zero-power standby anti-disassembling anti-shearing power supply management mould for vehicle electronic device |
| CN102412622A (en) * | 2011-12-05 | 2012-04-11 | 珠海市丰兰实业有限公司 | Electric mechanical interlocking type two-incoming-line and one-bus-couple system |
| CN103457350A (en) * | 2013-09-04 | 2013-12-18 | 国家电网公司 | Automatic throw-in equipment of emergency power supply |
| CN106160187A (en) * | 2014-09-30 | 2016-11-23 | 北京机械工业自动化研究所 | Middle pressure power transmission and distribution automatic switching control system and control method |
-
1999
- 1999-02-25 CN CN 99204870 patent/CN2361024Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211553A (en) * | 2010-04-02 | 2011-10-12 | 苏州千里马电子科技有限公司 | Zero-power standby anti-disassembling anti-shearing power supply management mould for vehicle electronic device |
| CN102211553B (en) * | 2010-04-02 | 2014-01-01 | 苏州千里马电子科技有限公司 | Zero-power standby anti-disassembling anti-shearing power supply management mould for vehicle electronic device |
| CN102412622A (en) * | 2011-12-05 | 2012-04-11 | 珠海市丰兰实业有限公司 | Electric mechanical interlocking type two-incoming-line and one-bus-couple system |
| CN102412622B (en) * | 2011-12-05 | 2013-10-23 | 珠海市丰兰实业有限公司 | Electric mechanical interlocking type two-incoming-line and one-bus-couple system |
| CN103457350A (en) * | 2013-09-04 | 2013-12-18 | 国家电网公司 | Automatic throw-in equipment of emergency power supply |
| CN106160187A (en) * | 2014-09-30 | 2016-11-23 | 北京机械工业自动化研究所 | Middle pressure power transmission and distribution automatic switching control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |