CN203434739U - Intelligent-type networking system for direct-current contactor of communication power supply - Google Patents
Intelligent-type networking system for direct-current contactor of communication power supply Download PDFInfo
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- CN203434739U CN203434739U CN201320462824.1U CN201320462824U CN203434739U CN 203434739 U CN203434739 U CN 203434739U CN 201320462824 U CN201320462824 U CN 201320462824U CN 203434739 U CN203434739 U CN 203434739U
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Abstract
The utility model discloses an intelligent-type networking system for a direct-current contactor of a communication power supply, and the system comprises a direct-current voltage detection controller, a direct-current contactor KM, a power supply A, and a power supply B. 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 connected with the detection contact J1 and the normally-open contact M1 at the same time, and the power supply B is connected with the detection contact J2 and the normally-open contact M2 at the same time. The control contact K1 is connected with the coil control contact P1, and the control contact K2 is connected with the coil control contact P2. The type of the direct-current voltage detection controller is BYK2-48. The power supply A and the power supply B are both communication power supplies. The system provided by the utility model effectively eliminates the bottleneck that two sets of communication power supply systems can only be switched manually for mutual standby application in a conventional transformer substation and a conventional power station.
Description
Technical field
The utility model 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, i.e. intelligent communication power supply D.C. contactor group network system.
Background technology
Along with the development of intelligent grid, transformer station will progressively realize unattended, and this intelligent requirements for transformer substation communication power-supply system is more and more higher.Take transformer substation communication power-supply system as example, in existing transformer station, conventionally use two to overlap the standby each other power supply system for communications, after the incoming call power down of a set of power supply system for communications wherein, during its storage battery power supply, need to its direct current supply bus be switched and is 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.
Utility model content
The purpose of this utility model is to provide a kind of intelligent communication power supply D.C. contactor group network system, make, after 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.
Realizing the technical solution of the utility model is: intelligent communication power supply D.C. contactor group network system, 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 with coil control contact P2; It is BYK2-48 that direct voltage detects controller model; A-power supply, B-source are communication power supply.
Control principle of the present utility model is: a-power supply and B-source input direct voltage detect controller, by direct voltage, detect the voltage status that controller detects 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 power-off 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 are during lower than 52V, direct voltage detects relay adhesive in controller, control contact K1 and control the closed control loop conducting forming 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 are 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 forming 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.
The direct voltage that D.C. contactor KM rated operational voltage is 43V-65V; Rated operational current is 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 transformer substation communication power-supply system as example, 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 often opens main contacts two ends, 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 DC power supply bus is detected respectively in two test sides.When the two cover power supply system for communicationss all work, D.C. contactor KM main contacts disconnects, 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 powered by batteries, voltage slow decreasing in 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 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, 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 utility model has solved that the power supply system for communications in current transformer station and power plant exists effectively 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.
Accompanying drawing explanation
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 D.C. contactor group network system, 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 with coil control contact P2; It is BYK2-48 that direct voltage detects controller model; A-power supply, B-source are communication power supply.
Control principle of the present utility model is: a-power supply and B-source input direct voltage detect controller, by direct voltage, detect the voltage status that controller detects 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 power-off 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.
The direct voltage that D.C. contactor KM rated operational voltage is 43V-65V; Rated operational current is 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 are during lower than 52V, direct voltage detects relay adhesive in controller, control contact K1 and control the closed control loop conducting forming 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 are 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 forming 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, when a-power supply is during lower than 52V, be incorporated to B-source.
2, when a-power supply is during higher than 54V, disconnect B-source, a-power supply and B-source be independent operating separately.
3, when B-source is during lower than 52V, be incorporated to a-power supply.
4, when B-source is during higher than 54V, disconnect a-power supply, 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 the control loop that direct voltage detects 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 it is upper that batteries is connected to the first DC power supply bus HM1, and the J1 end that accumulator battery voltage detects controller by direct voltage detects; The direct current cabinet of second source system is connected to the second DC power supply bus HM1, and it is upper that batteries is connected to the second DC power supply bus HM1, and the J2 end that accumulator battery voltage detects controller by direct voltage detects.
When the present embodiment is used for controlling the power supply system for communications in transformer station or power plant, direct voltage detects controller and selects BYK2-48, and D.C. contactor KM selects BCZ5-100.The voltage that DC power supply detector detects arbitrary batteries during lower than 52V, is controlled the coil of conducting D.C. contactor KM, makes the main contacts conducting of D.C. contactor KM; The voltage that DC power supply detector detects batteries during higher than 54V, is 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. intelligent communication power supply D.C. contactor group network system, 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 with coil control contact P2; It is BYK2-48 that direct voltage detects controller model; A-power supply, B-source are communication power supply.
2. intelligent communication power supply D.C. contactor group network system according to claim 1, is characterized in that: a-power supply, B-source are the DC power supply of 43V-65V.
3. intelligent communication power supply D.C. contactor group network system according to claim 1, is characterized in that: the direct voltage that D.C. contactor KM rated operational voltage is 43V-65V; Rated operational current is 1A-100A direct current.
4. intelligent communication power supply D.C. contactor group network system according to claim 1, is characterized in that: the model of D.C. contactor KM is BCZ5-100.
5. according to the intelligent communication power supply D.C. contactor group network system described in any one in claim 1-4, it is characterized in that: also comprise Switching Power Supply, Switching Power Supply detects controller with direct voltage and is connected.
6. according to the intelligent communication power supply D.C. contactor group network system described in any one in claim 1-4, it 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. according to the intelligent communication power supply D.C. contactor group network system described in any one in claim 1-4, it is characterized in that: a-power supply, B-source are battery pack or direct current cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462824.1U CN203434739U (en) | 2013-07-31 | 2013-07-31 | Intelligent-type networking system for direct-current contactor of communication power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462824.1U CN203434739U (en) | 2013-07-31 | 2013-07-31 | Intelligent-type networking system for direct-current contactor of communication power supply |
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| CN203434739U true CN203434739U (en) | 2014-02-12 |
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| CN201320462824.1U Expired - Lifetime CN203434739U (en) | 2013-07-31 | 2013-07-31 | Intelligent-type networking system for direct-current contactor of communication power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401305A (en) * | 2013-07-31 | 2013-11-20 | 成都电业局双流供电局 | Intelligent communication power supply switching networking system with direct current contactor |
| CN105305608A (en) * | 2015-12-09 | 2016-02-03 | 国网四川省电力公司广元供电公司 | Intelligent communication power unit |
-
2013
- 2013-07-31 CN CN201320462824.1U patent/CN203434739U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401305A (en) * | 2013-07-31 | 2013-11-20 | 成都电业局双流供电局 | Intelligent communication power supply switching networking system with direct current contactor |
| CN105305608A (en) * | 2015-12-09 | 2016-02-03 | 国网四川省电力公司广元供电公司 | Intelligent communication power unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |