CN103812221A - Composite interlocking device for power distribution equipment - Google Patents
Composite interlocking device for power distribution equipment Download PDFInfo
- Publication number
- CN103812221A CN103812221A CN201410086247.XA CN201410086247A CN103812221A CN 103812221 A CN103812221 A CN 103812221A CN 201410086247 A CN201410086247 A CN 201410086247A CN 103812221 A CN103812221 A CN 103812221A
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- China
- Prior art keywords
- chip microcomputer
- light
- terminal
- relay
- circuit
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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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention relates to a composite interlocking device for power distribution equipment. The composite interlocking device consists of a singlechip, a voltage stabilizing circuit module and a terminal strip, and is characterized in that an optical isolation interlocking signal acquisition circuit consisting of a resistor, an optical isolator and a voltage stabilizing tube is arranged between the singlechip and an external interlocking node introduction terminal of the terminal strip; a relay driving circuit consisting of an optical isolator, a resistor, a triode and a relay coil is further connected to the singlechip. A passive interlocking node can be accessed through a cable, and an interlocking signal can be received through 2.4G wireless communication. Meanwhile, an abnormity alarm signal is transmitted to a power distribution automation terminal through 2.4G wireless communication, thereby realizing remote monitoring of remote loop interlocking information.
Description
Technical field
The present invention relates to a kind of electric equipment control device, particularly the compound locking device of a kind of controller switching equipment.
Background technology
At present, the scene such as distributor track net cage, switch cubicle, change platform, on-pole switch adopts circuit breaker and on-load switch all do not have remote control anti-misoperation locking device.Along with the spread of power distribution automation improvement project, the quantity of the distribution power automation terminal of access distribution main website is increased sharply, realize the distributor breaker of remote control operating function and the quantity of on-load switch also more and more, in the urgent need to installing anti-misoperation locking device additional at distribution scene, but be subject to looped network case, switch cubicle, become platform, restriction and the cost constraint in the screen such as on-pole switch cabinet space, on controller switching equipment, promote the use of the error-proof device of applying in existing transformer station unrealistic again, therefore need a kind of with low cost, reliable operation and can realize the small-sized anti-misoperation locking device that remote control circuit is carried out to compound condition locking.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of reliable operation is provided, the compound locking device of the simple controller switching equipment of principle.
The object of the present invention is achieved like this: the compound locking device of a kind of controller switching equipment, formed by single-chip microcomputer, voltage stabilizing circuit module, terminal board, it is characterized in that being provided with between the outside locking node leading-in terminal of single-chip microcomputer and terminal board by resistance, light every the light connecting and composing with voltage-stabiliser tube every block signal Acquisition Circuit, on single-chip microcomputer, be also connected with the relay drive circuit being formed every, resistance, triode, relay coil by light.
Described relay has 2 pairs of long contact and 1 pair of long contact output, 1 pair of long closing circuit that closes contact access distributor breaker, 1 pair of long trip(ping) circuit of closing contact access distributor breaker, 1 pair of long contact access indicator light alarm loops of opening of opening closed.
Described single-chip microcomputer is also connected with wireless signal transceiver module by spi bus.
In the time of relay power excitation actuating, the remote control circuit of distributor breaker will be disconnected, light indicator light simultaneously, in the time losing due to external power source or single-chip microcomputer failure and other reasons causes device latching logic function to exit, relay length is closed contact and is kept closed, thereby does not affect the use of remote control circuit.
Single-chip microcomputer is used for gathering block signal and carries out logical operation, drives relay to open long contact the closed long contact of opening of closing in the time that barring condition is "True".
Light every block signal Acquisition Circuit for outside locking node is connected into light every luminescent diode driving loop, in the time that outside locking node is closed, light is every conducting, single-chip microcomputer by connect described light every IO port processing to high level state.
Relay drive circuit is made up of every, resistance, triode, relay coil light, in the time of connected single-chip microcomputer IO port output low level, and relay coil energising excitation.
2.4G wireless signal transceiver module is connected with described single-chip microcomputer by spi bus interface, for realizing the transmitting-receiving of wireless data.
The present invention gathers the locking node signal of external cable access and the locking information that 2.4G radio communication is imported into by single-chip microcomputer, in the time that barring condition is "True", drive relay to disconnect the remote control circuit of distributor breaker, installing the remote control circuit of distributor breaker time out of service can normally use.The present invention can access passive locking node by cable, also can receive block signal by 2.4G radio communication, send abnormality alarming signal by 2.4G radio communication to distribution power automation terminal simultaneously, and then realize the remote monitoring of remote control circuit locking information, when described compound blocking relay is out of service, remote control circuit will normally use under the anti-error condition of locking not having.Its structural principle is simple, and reliable operation is low in energy consumption.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention; .
Fig. 2 is the present invention and distributor breaker connection diagram.
Fig. 3 is external cabling terminal row figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, embodiments of the invention are made up of every block signal Acquisition Circuit and a relay drive circuit a single-chip microcomputer IC1,2.4G radio receiving transmitting module IC2,5V voltage stabilizing circuit module IC3, a 48V voltage stabilizing circuit module IC4, two light.Single-chip microcomputer IC1 connects light every block signal Acquisition Circuit by port IO1, IO2, will judge that barring condition is "True" in the time being input as high level, by IO3 port output high level, drives the relay being connected with IO3 port to disconnect remote control circuit.
Single-chip microcomputer is connected with 2.4G wireless signal transceiver module by spi bus.
5V voltage stabilizing circuit module IC3 adopts the input of alternating current 220V power supply, and the 5V voltage of stable output is given described single-chip microcomputer IC1 and peripheral circuit and the 2.4G wireless signal transceiver module IC2 power supply direct-connected with it.
48V voltage stabilizing circuit module IC3 adopts the input of alternating current 220V power supply, and the 48V voltage of stable output is powered every block signal Acquisition Circuit and relay drive circuit to light.
First light is made up of every OC1, voltage-stabiliser tube W1 resistance R 1, resistance R 2, light every block signal Acquisition Circuit; R1 and R2 play metering function; OC1 is for voltage isolation; W1 is for the protection of OC1; the outside locking node that binding post COM and terminal 1 are introduced is connected into light in the luminescent diode driving loop of OC1; in the time that outside locking node is closed, light is every OC1 conducting, and single-chip microcomputer IC1 collects high level state by connecting light every the IO1 of OC1 mouth.
Second light is made up of every OC2, voltage-stabiliser tube W2 resistance R 3, resistance R 4, light every block signal Acquisition Circuit; R3 and R4 play metering function; OC2 is for voltage isolation; W2 is for the protection of OC2; the outside locking node that binding post COM and terminal 2 are introduced is connected into light in the luminescent diode driving loop of OC2; in the time that outside locking node is closed, light is every OC2 conducting, and single-chip microcomputer IC1 collects high level state by connecting light every the IO2 of OC2 mouth.
Relay drive circuit is made up of every OC3, resistance R 5, resistance R 6, resistance R 7, triode Q1, relay BSJ coil light, in the time of the IO3 of connected single-chip microcomputer IC1 port output low level, relay BSJ coil electricity excitation, length is closed to contact BSJ-1, BSJ-2 and open, length is opened to contact BSJ-3 closure.
2.4G wireless signal transceiver module IC2 is connected with single-chip microcomputer IC1 by spi bus interface, for realizing the transmitting-receiving of wireless data.
The connection of the present invention shown in Fig. 2 in distributor breaker remote control circuit.The remote control closing relay length that breaker closing coil HQ and relay length of the present invention are closed contact BSJ-1, distribution power automation terminal is opened contact YHJ and is connected; The remote control separating brake relay length that breaker open operation coil and relay length of the present invention are closed contact BSJ-2, distribution power automation terminal is opened contact YTJ and is connected; Remote control circuit locking alarm indicator L1 opens contact BSJ-3 with relay length of the present invention and connects.In the time of relay power excitation actuating, length is closed contact BSJ-1, BSJ-2 and is opened, and remote control circuit disconnects, and remote control operation can not export, and realize the object of romote controlled locking.In the time losing due to external power source or single-chip microcomputer failure and other reasons causes device latching logic function to exit, relay length is closed contact and is kept closed, and remote control circuit will not have normally use under anti-misoperation locking condition.
As shown in Figure 3, embodiments of the invention adopt 3 pairs of cable connecting terminals, are made up of outside locking node leading-in terminal 1, outside locking node leading-in terminal 2, public terminal.Public terminal provides 48V level by 48V voltage stabilizing circuit module of the present invention.The cable connecting terminal of outside locking node leading-in terminal 1 is 1, and the cable connecting terminal of described outside locking node leading-in terminal 2 is 2, and the cable connecting terminal of public terminal is COM, and the outside locking node accessing is passive dry contact
The course of work of the present invention is, gather the locking node signal of cable connecting terminal 1 and COM access by single-chip microcomputer IC1, the locking node signal of cable connecting terminal 2 and COM access, receive the locking information that 2.4G radio communication is imported into, in the time that barring condition is "True", single-chip microcomputer IC1 will drive relay BSJ to disconnect the remote control circuit of distributor breaker.Installing the remote control circuit of distributor breaker time out of service can normally use.
Claims (3)
1. the compound locking device of controller switching equipment, formed by single-chip microcomputer, voltage stabilizing circuit module, terminal board, it is characterized in that being provided with between the outside locking node leading-in terminal of single-chip microcomputer and terminal board by resistance, light every the light connecting and composing with voltage-stabiliser tube every block signal Acquisition Circuit, on single-chip microcomputer, be also connected with the relay drive circuit being formed every, resistance, triode, relay coil by light.
2. the compound locking device of controller switching equipment according to claim 1, it is characterized in that described relay has 2 pairs longly to close contact and 1 pair and longly open contact output, 1 pair of long closing circuit that closes contact access distributor breaker, 1 pair of long trip(ping) circuit of closing contact access distributor breaker, 1 pair of long contact access indicator light alarm loop of opening.
3. the compound locking device of controller switching equipment according to claim 1, is characterized in that described single-chip microcomputer is also connected with wireless signal transceiver module by spi bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086247.XA CN103812221A (en) | 2014-03-11 | 2014-03-11 | Composite interlocking device for power distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086247.XA CN103812221A (en) | 2014-03-11 | 2014-03-11 | Composite interlocking device for power distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103812221A true CN103812221A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410086247.XA Pending CN103812221A (en) | 2014-03-11 | 2014-03-11 | Composite interlocking device for power distribution equipment |
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| CN (1) | CN103812221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207663A (en) * | 2016-09-12 | 2016-12-07 | 国网辽宁省电力有限公司大连供电公司 | A kind of electron key jack type Multiple-protection socket |
| CN109191815A (en) * | 2018-08-16 | 2019-01-11 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of wireless auxiliary contact transfer device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931701Y (en) * | 2006-06-23 | 2007-08-08 | 朱宗强 | Avoiding miss-locking equipment for microcomputer |
| JP2011259522A (en) * | 2010-06-04 | 2011-12-22 | Panasonic Electric Works Co Ltd | Remote meter reading system and switch control apparatus |
-
2014
- 2014-03-11 CN CN201410086247.XA patent/CN103812221A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931701Y (en) * | 2006-06-23 | 2007-08-08 | 朱宗强 | Avoiding miss-locking equipment for microcomputer |
| JP2011259522A (en) * | 2010-06-04 | 2011-12-22 | Panasonic Electric Works Co Ltd | Remote meter reading system and switch control apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 张有志: "《全国大学生电子设计竞赛培训教程》", 31 March 2013 * |
| 陈立周等: "《单片机原理及其应用》", 31 May 2008 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207663A (en) * | 2016-09-12 | 2016-12-07 | 国网辽宁省电力有限公司大连供电公司 | A kind of electron key jack type Multiple-protection socket |
| CN106207663B (en) * | 2016-09-12 | 2018-08-17 | 国网辽宁省电力有限公司大连供电公司 | A kind of electron key jack type Multiple-protection socket |
| CN109191815A (en) * | 2018-08-16 | 2019-01-11 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of wireless auxiliary contact transfer device and method |
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Application publication date: 20140521 |