CN103401305A - Intelligent communication power supply switching networking system with direct current contactor - Google Patents
Intelligent communication power supply switching networking system with direct current contactor Download PDFInfo
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- CN103401305A CN103401305A CN2013103281500A CN201310328150A CN103401305A CN 103401305 A CN103401305 A CN 103401305A CN 2013103281500 A CN2013103281500 A CN 2013103281500A CN 201310328150 A CN201310328150 A CN 201310328150A CN 103401305 A CN103401305 A CN 103401305A
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Abstract
The invention discloses an intelligent communication power supply switching networking system with a direct current contactor. The intelligent communication power supply switching networking system comprises a direct current voltage detection controller, a direct current contactor KM, a power supply A and a power supply B, wherein the direct current voltage detection controller comprises a detection contact J1, a detection contact J2, a control contact K1 and a control contact K2, the direct current contactor KM comprises a normally open contact M1, a normally open contact M2, a coil control contact P1 and a coil control contact P2, the power supply A is simultaneously connected with the detection contact J1 and the normally open contact M1, the power supply B is simultaneously connected with the detection contact J2 and the normally open contact M2, the control contact K1 is connected with the coil control contact P1, the control contact K2 is connected with the coil control contact P2, the type of the direct current voltage detection controller is BYK2-48, and the power supply A and the power supply B are both communication power supplies. The intelligent communication power supply switching networking system effectively solves the problem of bottleneck that the mutual standby use of two sets of communication power supply systems can only be realized through manual switching in the use process of the communication power supply system of a power station and a transformer substation in the prior art.
Description
Technical field
The present invention relates to the control field of the communication power supply of power system transformer substation, is specifically a kind of communication DC electric power automatic control apparatus, namely has the intelligent communication power supply switching group network system of D.C. contactor.
Background technology
Along with the development of intelligent grid, transformer station will progressively realize unattended, and this intelligent requirements for the transformer substation communication power-supply system is more and more higher.Take the transformer substation communication power-supply system as example, in existing transformer station, usually use two to overlap the standby each other power supply system for communications, when wherein one the cover power supply system for communications the incoming call power down after, during its storage battery power supply, need to its direct current supply bus switching be connected on the direct current supply bus of the another set of power supply system for communications by mode manually, owing to must manually switching, can not automatically switch, hinder the realization of Unattended substation.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent communication power supply switching group network system with D.C. contactor, after making the transformer station's standby two cover power supply system for communicationss arbitrary cover system incoming call power down therein each other, can both automatically switch and be connected to the another set of power supply system for communications.
Realize that technical scheme of the present invention is: the intelligent communication power supply switching group network system with D.C. contactor, comprise that direct voltage detects controller, D.C. contactor KM, a-power supply, B-source, direct voltage detects controller and comprises detection contact J1 and detect contact J2 and control contact K1 and control contact K2, and D.C. contactor KM comprises that normally opened contact M1 and normally opened contact M2 and coil control contact P1 and coil is controlled contact P2; A-power supply is connected with normally opened contact M1 with detection contact J1 simultaneously, and B-source is connected with normally opened contact M2 with detection contact J2 simultaneously; Control contact K1 and be connected with coil control contact P1, control contact K2 and be connected P2 connection in contact with coil; It is BYK2-48 that direct voltage detects the controller model; A-power supply, B-source are communication power supply.
Control principle of the present invention is: a-power supply and B-source input direct voltage detect controller, detect controller by direct voltage and detect the voltage status of a-power supply and B-source, closure formation control loop path after the control signal that the control contact K1 of while direct voltage detection controller and control contact K2 receive direct voltage detection controller, be coil conduction or the outage in D.C. contactor KM, cause normally opened contact M1 and normally opened contact M2 closure or disconnect.So just can control mutual switching or the independent running of a-power supply and B-source, when normally opened contact M1 and normally opened contact M2 closure, carry out the mutual switching action of a-power supply and B-source, when normally opened contact M1 and normally opened contact M2 disconnection, carry out the mutual independent running of a-power supply and B-source.
For example: when detected a-power supply and B-source voltage during lower than 52V, direct voltage detects relay adhesive in controller, control contact K1 and control the closed control loop conducting that forms of contact K2, the coil conduction in D.C. contactor KM, normally opened contact M1 and normally opened contact M2 are closed
,Control the mutual switching of a-power supply and B-source; When detected a-power supply and B-source voltage voltage during higher than 54V, direct voltage detects relay in controller and disconnects, control contact K1 and control contact K2 and disconnect, control contact K1 and control the closed control loop that forms of contact K2 and disconnect, coil blackout in D.C. contactor KM, normally opened contact M1 and normally opened contact M2 disconnect, and a-power supply and B-source work alone separately, recover normally operation.
A-power supply, B-source are the DC power supply of 43V-65V.
D.C. contactor KM rated operational voltage is the direct voltage of 43V-65V; Rated operational current is the 1A-100A direct current.
The model of D.C. contactor KM is BCZ5-100.
Also comprise Switching Power Supply, Switching Power Supply detects controller with direct voltage and is connected.
A-power supply, B-source are the electric power network that battery pack and direct current cabinet are in series or in parallel to form.
A-power supply, B-source are battery pack or direct current cabinet.
Take the transformer substation communication power-supply system as example, often open the main contacts two ends with what the DC power supply buses of the two cover power supply system for communicationss of transformer station were connected respectively to D.C. contactor KM, the control loop of direct voltage detection controller is connected to the coil of D.C. contactor KM, and the voltage of the batteries that is connected to the DC power supply bus is detected respectively in two test sides.When the two cover power supply system for communicationss all worked, D.C. contactor KM main contacts disconnected, and the two cover power supply system for communicationss are respectively load supplying separately.After the AC dump of first power supply system for communications, first power supply system for communications is namely by batteries power supply, voltage slow decreasing in the batteries discharge process; Dc voltage detector detects the voltage drop of batteries of the first communication power supply when the predefined magnitude of voltage, its control loop makes the conducting of D.C. contactor KM coil, the conducting thereupon of the main contacts of D.C. contactor KM, the DC power supply bus of two cover communication power supplies is communicated with, and the second communication power-supply system is the load supplying of two cover communication power supplies simultaneously.After the interchange incoming call of first power supply system for communications, when the voltage that dc voltage detector detects the batteries of the first communication power supply rises to predefined magnitude of voltage, namely disconnect D.C. contactor KM coil, the main contacts of D.C. contactor KM is disconnected, and the two cover power supply system for communicationss return to normal operating conditions.After the AC dump of second communication power-supply system, its operating state and aforementioned process are similar.Like this,, by this DC power supply automatic control equipment, make the two cover power supply system for communicationss realize automatic switchover, each other standby function.The second DC power supply is equivalent to the B-source in embodiment, and the first DC power supply is equivalent to a-power supply.
The present invention has solved effectively that the power supply system for communications in present transformer station and power plant exists can only manual switchover realizes the two cover power supply system for communicationss standby bottleneck each other, and simple in structure, reliability is high, is conducive to promote the use of.
Description of drawings
Fig. 1 is the schematic diagram of embodiment 1.
Fig. 2 is the schematic diagram of embodiment 2.
Embodiment
Embodiment 1
As shown in Figure 1, intelligent communication power supply switching group network system with D.C. contactor, comprise that direct voltage detects controller, D.C. contactor KM, a-power supply, B-source, direct voltage detects controller and comprises detection contact J1 and detect contact J2 and control contact K1 and control contact K2, and D.C. contactor KM comprises that normally opened contact M1 and normally opened contact M2 and coil control contact P1 and coil is controlled contact P2; A-power supply is connected with normally opened contact M1 with detection contact J1 simultaneously, and B-source is connected with normally opened contact M2 with detection contact J2 simultaneously; Control contact K1 and be connected with coil control contact P1, control contact K2 and be connected P2 connection in contact with coil; It is BYK2-48 that direct voltage detects the controller model; A-power supply, B-source are communication power supply.
Control principle of the present invention is: a-power supply and B-source input direct voltage detect controller, detect controller by direct voltage and detect the voltage status of a-power supply and B-source, closure formation control loop path after the control signal that the control contact K1 of while direct voltage detection controller and control contact K2 receive direct voltage detection controller, be coil conduction or the outage in D.C. contactor KM, cause normally opened contact M1 and normally opened contact M2 closure or disconnect.So just can control mutual switching or the independent running of a-power supply and B-source, when normally opened contact M1 and normally opened contact M2 closure, carry out the mutual switching action of a-power supply and B-source, when normally opened contact M1 and normally opened contact M2 disconnection, carry out the mutual independent running of a-power supply and B-source.
A-power supply, B-source are the DC power supply of 43V-65V.
D.C. contactor KM rated operational voltage is the direct voltage of 43V-65V; Rated operational current is the 1A-100A direct current.
The model of D.C. contactor KM is BCZ5-100.
Also comprise Switching Power Supply, Switching Power Supply detects controller with direct voltage and is connected.
A-power supply, B-source are the electric power network that battery pack and direct current cabinet are in series or in parallel to form.
A-power supply, B-source are battery pack or direct current cabinet.
When detected a-power supply and B-source voltage during lower than 52V, direct voltage detects relay adhesive in controller, control contact K1 and control the closed control loop conducting that forms of contact K2, the coil conduction in D.C. contactor KM, normally opened contact M1 and normally opened contact M2 are closed
,Control the mutual switching of a-power supply and B-source; When detected a-power supply and B-source voltage voltage during higher than 54V, direct voltage detects relay in controller and disconnects, control contact K1 and control contact K2 and disconnect, control contact K1 and control the closed control loop that forms of contact K2 and disconnect, coil blackout in D.C. contactor KM, normally opened contact M1 and normally opened contact M2 disconnect, and a-power supply and B-source work alone separately, recover normally operation.
The result of operation is as follows:
1, during lower than 52V, incorporate B-source when a-power supply into.
2, during higher than 54V, disconnect B-source when a-power supply, a-power supply and B-source be independent operating separately.
3, during lower than 52V, incorporate a-power supply when B-source into.
4, during higher than 54V, disconnect a-power supply when B-source, a-power supply and B-source be independent operating separately.
Embodiment 2
As shown in Figure 2, the present embodiment comprises that D.C. contactor KM and direct voltage detect controller; The main contacts two ends of often opening of D.C. contactor KM are connected to the first DC power supply bus HM1 and the second DC power supply bus HM2, and the coil of D.C. contactor KM is connected to direct voltage and detects the control loop of controller, and K1, K2 are the outputs of control loop; The direct current cabinet of the first power-supply system is connected to the first DC power supply bus HM1, and batteries is connected on the first DC power supply bus HM1, and accumulator battery voltage is detected by the J1 end that direct voltage detects controller; The direct current cabinet of second source system is connected to the second DC power supply bus HM1, and batteries is connected on the second DC power supply bus HM1, and accumulator battery voltage is detected by the J2 end that direct voltage detects controller.
When the present embodiment was used for controlling the power supply system for communications in transformer station or power plant, direct voltage detected controller and selects BYK2-48, and D.C. contactor KM selects BCZ5-100.The voltage that the DC power supply detector detects arbitrary batteries during lower than 52V, is namely controlled the coil of conducting D.C. contactor KM, makes the main contacts conducting of D.C. contactor KM; The voltage that the DC power supply detector detects batteries during higher than 54V, is namely controlled the coil that disconnects D.C. contactor KM, and the main contacts of D.C. contactor KM is disconnected.The second DC power supply in the present embodiment is equivalent to the B-source in embodiment, and the first DC power supply is equivalent to a-power supply.
Claims (7)
1. the intelligent communication power supply switching group network system that has D.C. contactor, it is characterized in that: comprise that direct voltage detects controller, D.C. contactor KM, a-power supply, B-source, direct voltage detects controller and comprises detection contact J1 and detect contact J2 and control contact K1 and control contact K2, and D.C. contactor KM comprises that normally opened contact M1 and normally opened contact M2 and coil control contact P1 and coil is controlled contact P2; A-power supply is connected with normally opened contact M1 with detection contact J1 simultaneously, and B-source is connected with normally opened contact M2 with detection contact J2 simultaneously; Control contact K1 and be connected with coil control contact P1, control contact K2 and be connected P2 connection in contact with coil; It is BYK2-48 that direct voltage detects the controller model; A-power supply, B-source are communication power supply.
2. the intelligent communication power supply with D.C. contactor according to claim 1 switches group network system, and it is characterized in that: a-power supply, B-source are the DC power supply of 43V-65V.
3. the intelligent communication power supply with D.C. contactor according to claim 1 switches group network system, and it is characterized in that: D.C. contactor KM rated operational voltage is the direct voltage of 43V-65V; Rated operational current is the 1A-100A direct current.
4. the intelligent communication power supply with D.C. contactor according to claim 1 switches group network system, and it is characterized in that: the model of D.C. contactor KM is BCZ5-100.
5. the described intelligent communication power supply switching group network system with D.C. contactor of any one according to claim 1-4, it is characterized in that: also comprise Switching Power Supply, Switching Power Supply is connected with direct voltage detection controller.
6. the described intelligent communication power supply switching group network system with D.C. contactor of any one according to claim 1-4 is characterized in that: a-power supply, B-source are the electric power network that battery pack and direct current cabinet are in series or in parallel to form.
7. the described intelligent communication power supply switching group network system with D.C. contactor of any one according to claim 1-4, it is characterized in that: a-power supply, B-source are battery pack or direct current cabinet.
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| CN2013103281500A CN103401305A (en) | 2013-07-31 | 2013-07-31 | Intelligent communication power supply switching networking system with direct current contactor |
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| CN2013103281500A CN103401305A (en) | 2013-07-31 | 2013-07-31 | Intelligent communication power supply switching networking system with direct current contactor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201616682U (en) * | 2009-10-23 | 2010-10-27 | 广州东芝白云菱机电力电子有限公司 | Optoelectronic triple-isolated DC cabinet power source monitor of collection system |
| CN201750204U (en) * | 2010-07-20 | 2011-02-16 | 重庆市电力公司电网检修分公司 | Direct current double-power-supply intelligent switching device |
| CN202679059U (en) * | 2012-05-16 | 2013-01-16 | 河南省电力公司郑州供电公司 | Automatic switching device of AC-DC power supply |
| JP2013110887A (en) * | 2011-11-22 | 2013-06-06 | Toshiba Mitsubishi-Electric Industrial System Corp | Uninterruptible power=supply device |
| CN103414240A (en) * | 2013-07-15 | 2013-11-27 | 国家电网公司 | Direct current power supply automatic control device |
| CN203434739U (en) * | 2013-07-31 | 2014-02-12 | 国家电网公司 | Intelligent-type networking system for direct-current contactor of communication power supply |
-
2013
- 2013-07-31 CN CN2013103281500A patent/CN103401305A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201616682U (en) * | 2009-10-23 | 2010-10-27 | 广州东芝白云菱机电力电子有限公司 | Optoelectronic triple-isolated DC cabinet power source monitor of collection system |
| CN201750204U (en) * | 2010-07-20 | 2011-02-16 | 重庆市电力公司电网检修分公司 | Direct current double-power-supply intelligent switching device |
| JP2013110887A (en) * | 2011-11-22 | 2013-06-06 | Toshiba Mitsubishi-Electric Industrial System Corp | Uninterruptible power=supply device |
| CN202679059U (en) * | 2012-05-16 | 2013-01-16 | 河南省电力公司郑州供电公司 | Automatic switching device of AC-DC power supply |
| CN103414240A (en) * | 2013-07-15 | 2013-11-27 | 国家电网公司 | Direct current power supply automatic control device |
| CN203434739U (en) * | 2013-07-31 | 2014-02-12 | 国家电网公司 | Intelligent-type networking system for direct-current contactor of communication power supply |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: CHENGDU ELECTRIC POWER BUREAU DOUBLE CURRENT POWER SUPPLY BUREAU Effective date: 20140106 Owner name: GUANGYUAN POWER SUPPLY COMPANY, STATE GRID SICHUAN Effective date: 20140106 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 100031 XICHENG, BEIJING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140106 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Guangyuan Power Supply Company of State Grid Sichuan Electric Power Corporation Address before: 610000, Sichuan, Chengdu province Shuangliu County Dongsheng Town, No. 35 Canton Avenue Applicant before: Shuangliu Power Supply Bureau, Chengdu Electric Power Bureau |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131120 |