CN219107119U - Power supply system with double standby power supplies - Google Patents
Power supply system with double standby power supplies Download PDFInfo
- Publication number
- CN219107119U CN219107119U CN202223329269.3U CN202223329269U CN219107119U CN 219107119 U CN219107119 U CN 219107119U CN 202223329269 U CN202223329269 U CN 202223329269U CN 219107119 U CN219107119 U CN 219107119U
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- switch
- power supply
- circuit
- supply circuit
- standby
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model relates to a power supply system with double standby power supplies. The power supply circuit comprises a common commercial power supply circuit, a generator power supply circuit, a load circuit, a standby commercial power supply circuit and an intermediate transition circuit; the outgoing line side of the common commercial power supply circuit and the outgoing line side of the intermediate transition circuit are connected with a load circuit; the outlet side of the generator power supply circuit and the outlet side of the standby mains supply circuit are connected with an intermediate transition circuit; the common commercial power supply circuit is provided with a switch K1; the intermediate transition circuit is provided with a switch K4; the standby mains supply circuit is provided with a switch K2; the power supply circuit of the generator is provided with a switch K3; the switch K1 and the switch K4 are in interlocking connection that one switch is locked and the other switch is always opened when the other switch is closed; the switch K2 and the switch K3 are interlocking connections in which one switch is locked and the other switch is always opened when the other switch is closed. The utility model has 2 standby power supplies, can have better power utilization guarantee, and can improve the flexibility of use.
Description
Technical Field
The utility model relates to a power supply system with double standby power supplies.
Background
Chinese patent application CN 103762716A discloses a self-switching and self-resetting power supply system, which selectively supplies power to a load through a main branch circuit of mains power supply and a secondary branch circuit of generator power supply. The generator can be used as a standby power supply in emergency, however, the use range of the generator is limited due to the fact that only 1 standby power supply exists, and the use flexibility is still to be improved.
Disclosure of Invention
The utility model aims to provide a power supply system with double standby power supplies, which comprises a common commercial power supply circuit, a generator power supply circuit, a load circuit, a standby commercial power supply circuit and an intermediate transition circuit, wherein the power supply circuit is connected with the generator power supply circuit; the outgoing line side of the common commercial power supply circuit and the outgoing line side of the intermediate transition circuit are connected with a load circuit; the outgoing line side of the generator power supply circuit and the outgoing line side of the standby mains supply circuit are connected with an intermediate transition circuit; the common commercial power supply circuit is provided with a switch K1 for controlling the common commercial power supply circuit to switch on or off a load circuit; the intermediate transition circuit is provided with a switch K4 for controlling the intermediate transition circuit to switch on or off the load circuit; the standby mains supply circuit is provided with a switch K2 for controlling the standby mains supply circuit to be connected with or disconnected from the intermediate transition circuit; the generator power supply circuit is provided with a switch K3 for controlling the generator power supply circuit to be connected or disconnected with the intermediate transition circuit; the switch K1 and the switch K4 are in interlocking connection that one switch is locked and the other switch is always opened when the other switch is closed; the switch K2 and the switch K3 are interlocking connections in which one switch is locked and the other switch is always opened when the other switch is closed.
The utility model utilizes the generator power supply circuit and the standby commercial power supply circuit to jointly form 2 standby power supplies, so that the application range can be enlarged, the 2 standby power supplies can have better power utilization guarantee, and the use flexibility can be improved.
Drawings
Fig. 1 shows a schematic diagram of the present utility model.
Reference numerals:
100 common commercial power supply circuits; 200 a generator power supply circuit; a 300 load circuit; 400 standby mains supply circuits; 500 intermediate transition circuit.
Detailed Description
The present application is further described below with reference to the accompanying drawings.
A power supply system with dual standby power supplies as shown in fig. 1 includes a common utility power supply circuit 100, a generator power supply circuit 200, and a load circuit 300;
the power supply circuit further comprises a standby mains supply circuit 400 and an intermediate transition circuit 500;
the outgoing line side of the common commercial power supply circuit 100 and the outgoing line side of the intermediate transition circuit 500 are connected with the load circuit 300;
the outgoing line side of the generator power supply circuit 200 and the outgoing line side of the standby mains power supply circuit 400 are connected with an intermediate transition circuit 500;
the common utility power supply circuit 100 is provided with a switch K1 for controlling the common utility power supply circuit 100 to turn on or off the load circuit 300;
the intermediate transition circuit 500 is provided with a switch K4 for controlling the intermediate transition circuit 500 to turn on or off the load circuit 300;
the standby mains supply circuit 400 is provided with a switch K2 for controlling the standby mains supply circuit 400 to switch on or off the intermediate transition circuit 500;
the generator power supply circuit 200 is provided with a switch K3 for controlling the generator power supply circuit 200 to turn on or off the intermediate transition circuit 500;
the switch K1 and the switch K4 are in interlocking connection that one switch is locked and the other switch is always opened when the other switch is closed;
the switch K2 and the switch K3 are interlocking connections in which one switch is locked and the other switch is always opened when the other switch is closed.
The utility model utilizes the generator power supply circuit and the standby commercial power supply circuit to jointly form 2 standby power supplies, so that the application range can be enlarged, the 2 standby power supplies can have better power utilization guarantee, and the use flexibility can be improved.
In addition, the safety can be improved by setting the interlocking of the switches K1, K4, K2 and K3, and the occurrence of short-circuit accidents caused by misoperation can be avoided.
A first interlocking mechanism is arranged between the switch K1 and the switch K4, and a second interlocking mechanism is arranged between the switch K2 and the switch K3;
wherein the first and second interlocking mechanisms each include both mechanical and electrical interlocking. According to the technical scheme, mechanical interlocking and electrical interlocking are adopted simultaneously, and protection of the mechanical interlocking is achieved while the electrical interlocking is achieved.
In this embodiment, the common utility power supply circuit is connected with a common power supply to supply power to the load circuit, and the generator power supply circuit is connected with a generator standby power supply, and the standby utility power supply circuit is connected with a standby utility power supply.
The embodiment can realize the power supply of 1 common power supply and 2 standby power supplies, wherein the common power supply is provided by a common mains supply circuit, and the 2 standby power supplies are respectively provided by a generator power supply circuit and a standby mains supply circuit.
When the normal mains supply circuit 100 supplies power normally, the switch K1 is closed, and the switch K4 is locked and opened all the time, so as to avoid short-circuit accidents caused by misoperation.
When the normal mains supply circuit 100 is powered off, the switch K1 is locked to be always opened, and the switch K4 is closed. At this time, if the standby mains supply circuit 400 is powered on, the switch K2 is closed, and the switch K3 is locked and always opened, so that the standby mains supply circuit 400 supplies power; if the standby mains supply circuit 400 is also powered off, the switch K2 is locked and always opened, while the switch K3 is closed and powered by the generator supply circuit 200.
Claims (2)
1. The utility model provides a power supply system with two stand-by power supply, includes common commercial power supply circuit, generator power supply circuit and load circuit, its characterized in that:
the system also comprises a standby mains supply circuit and an intermediate transition circuit;
the outgoing line side of the common commercial power supply circuit and the outgoing line side of the intermediate transition circuit are connected with a load circuit;
the outgoing line side of the generator power supply circuit and the outgoing line side of the standby mains supply circuit are connected with an intermediate transition circuit;
the common commercial power supply circuit is provided with a switch K1 for controlling the common commercial power supply circuit to switch on or off a load circuit;
the intermediate transition circuit is provided with a switch K4 for controlling the intermediate transition circuit to switch on or off the load circuit;
the standby mains supply circuit is provided with a switch K2 for controlling the standby mains supply circuit to be connected with or disconnected from the intermediate transition circuit;
the generator power supply circuit is provided with a switch K3 for controlling the generator power supply circuit to be connected or disconnected with the intermediate transition circuit;
the switch K1 and the switch K4 are in interlocking connection that one switch is locked and the other switch is always opened when the other switch is closed;
the switch K2 and the switch K3 are interlocking connections in which one switch is locked and the other switch is always opened when the other switch is closed.
2. The power supply system with dual backup power supply of claim 1, wherein:
a first interlocking mechanism is arranged between the switch K1 and the switch K4, and a second interlocking mechanism is arranged between the switch K2 and the switch K3;
wherein the first and second interlocking mechanisms each include both mechanical and electrical interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223329269.3U CN219107119U (en) | 2022-12-10 | 2022-12-10 | Power supply system with double standby power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223329269.3U CN219107119U (en) | 2022-12-10 | 2022-12-10 | Power supply system with double standby power supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219107119U true CN219107119U (en) | 2023-05-30 |
Family
ID=86466273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223329269.3U Active CN219107119U (en) | 2022-12-10 | 2022-12-10 | Power supply system with double standby power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219107119U (en) |
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2022
- 2022-12-10 CN CN202223329269.3U patent/CN219107119U/en active Active
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