CN203434740U - Intelligent-type networking system for direct-current contactor of operational power supply - Google Patents
Intelligent-type networking system for direct-current contactor of operational power supply Download PDFInfo
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- CN203434740U CN203434740U CN201320463035.XU CN201320463035U CN203434740U CN 203434740 U CN203434740 U CN 203434740U CN 201320463035 U CN201320463035 U CN 201320463035U CN 203434740 U CN203434740 U CN 203434740U
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Abstract
The utility model discloses an intelligent-type networking system for a direct-current contactor of an operational 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 system provided by the utility model effectively eliminates the bottleneck that two sets of operational power supply systems can only be switched manually for mutual standby application in conventional transformer substation and power station, is simple in structure, is high in reliability, and is in favor of popularization and application.
Description
Technical field
The utility model relates to the control field of the operating power of power system transformer substation, is specifically a kind of operation DC power supply automatic control equipment, i.e. intelligent operating power 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 Substation Operating power-supply system and the power supply system for communications is more and more higher.Take Substation Operating power-supply system as example, in existing transformer station, conventionally use two to overlap standby each other operating power system, after the incoming call power down of a set of operating power system 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 another set of operating power system 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 operating power D.C. contactor group network system, make, after transformer station's standby two cover operating power systems arbitrary cover system incoming call power down therein each other, can both automatically switch and be connected to another set of operating power system.
Realizing the technical solution of the utility model is: intelligent operating power 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.
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 240V, 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 242V, 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 220V-440V.
It is BYK1-220 that direct voltage detects controller model.
The direct voltage that D.C. contactor KM rated operational voltage is 220V-440V; Rated operational current is 1A-100A direct current.
The model of D.C. contactor KM is BCZ6-100.
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 Substation Operating power-supply system as example, what the DC power supply buses of two cover operating power systems 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 two cover operating power systems all work, D.C. contactor KM main contacts disconnects, and two cover operating power systems are respectively load supplying separately.After the AC dump of the first operating power system, the first operating power system is powered by batteries, voltage slow decreasing in batteries discharge process; DC voltage detector detects the voltage drop of batteries of the first operating power 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 operating powers is communicated with, and the second operating power system is the load supplying of two cover operating powers simultaneously.After the interchange incoming call of the first operating power system, when the voltage that DC voltage detector detects the batteries of the first operating power rises to predefined magnitude of voltage, disconnect D.C. contactor KM coil, the main contacts of D.C. contactor KM is disconnected, and two cover operating power systems return to normal operating conditions.After the AC dump of the second operating power system, its operating state and aforementioned process are similar.Like this, by the utility model, make two cover operating power systems 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 operating power system in current transformer station and power plant exists effectively can only manual switchover realizes two cover operating power systems 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 operating power 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.
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 220V-440V.
It is BYK1-220 that direct voltage detects controller model.
The direct voltage that D.C. contactor KM rated operational voltage is 220V-440V; Rated operational current is 1A-100A direct current.
The model of D.C. contactor KM is BCZ6-100.
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 240V, 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 242V, 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 240V, be incorporated to B-source.
2, when a-power supply is during higher than 242V, disconnect B-source, a-power supply and B-source be independent operating separately.
3, when B-source is during lower than 240V, be incorporated to a-power supply.
4, when B-source is during higher than 242V, disconnect a-power supply, a-power supply and B-source be independent operating separately.
Embodiment 2
As shown in Figure 2, the utility model 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 utility model is used for controlling the operating power system in transformer station or power plant, direct voltage detects controller and selects BYK1-220, and D.C. contactor KM selects BCZ6-100.When DC power supply detects voltage that controller detects arbitrary batteries lower than 240V, control the coil of conducting D.C. contactor KM, make the main contacts conducting of D.C. contactor KM; The voltage that DC power supply detector detects batteries during higher than 242V, 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 (8)
1. intelligent operating power 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.
2. intelligent operating power 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 220V-440V.
3. intelligent operating power D.C. contactor group network system according to claim 1, is characterized in that: it is BYK1-220 that direct voltage detects controller model.
4. intelligent operating power 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 220V-440V; Rated operational current is 1A-100A direct current.
5. intelligent operating power D.C. contactor group network system according to claim 1, is characterized in that: the model of D.C. contactor KM is BCZ6-100.
6. according to the intelligent operating power D.C. contactor group network system described in any one in claim 1-5, it is characterized in that: also comprise Switching Power Supply, Switching Power Supply detects controller with direct voltage and is connected.
7. according to the intelligent operating power D.C. contactor group network system described in any one in claim 1-5, 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.
8. according to the intelligent operating power D.C. contactor group network system described in any one in claim 1-5, 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 |
|---|---|---|---|
| CN201320463035.XU CN203434740U (en) | 2013-07-31 | 2013-07-31 | Intelligent-type networking system for direct-current contactor of operational power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463035.XU CN203434740U (en) | 2013-07-31 | 2013-07-31 | Intelligent-type networking system for direct-current contactor of operational power supply |
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| CN203434740U true CN203434740U (en) | 2014-02-12 |
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|---|---|---|---|
| CN201320463035.XU Expired - Lifetime CN203434740U (en) | 2013-07-31 | 2013-07-31 | Intelligent-type networking system for direct-current contactor of operational power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401304A (en) * | 2013-07-31 | 2013-11-20 | 成都电业局双流供电局 | Intelligent operation power supply switching networking system with direct current contactor |
-
2013
- 2013-07-31 CN CN201320463035.XU patent/CN203434740U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401304A (en) * | 2013-07-31 | 2013-11-20 | 成都电业局双流供电局 | Intelligent operation power supply switching networking system with direct current contactor |
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| GR01 | Patent grant | ||
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Granted publication date: 20140212 |