CN210156971U - Power distribution device based on UPS - Google Patents
Power distribution device based on UPS Download PDFInfo
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- CN210156971U CN210156971U CN201920534183.3U CN201920534183U CN210156971U CN 210156971 U CN210156971 U CN 210156971U CN 201920534183 U CN201920534183 U CN 201920534183U CN 210156971 U CN210156971 U CN 210156971U
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Abstract
The utility model discloses a distribution device based on UPS can provide incessant power supply for important load, ensures the continuous power supply of important load when UPS trouble, maintenance, distribution device includes: a distribution box and a UPS; a circuit breaker A, a circuit breaker B, a circuit breaker C and a circuit breaker D are arranged in the distribution box; the main power supply is electrically connected with the input end of the UPS through a circuit provided with a circuit breaker A, and the output end of the UPS is electrically connected with the load group through a circuit provided with a circuit breaker C; the bypass power supply is divided into two paths, one path is electrically connected with the input end of the UPS through a circuit provided with a circuit breaker B, and the output end of the UPS is electrically connected with the load group through a circuit provided with a circuit breaker C to supply power to the load group; and the other path is connected with the load group through a circuit provided with a breaker D to directly supply power to the load group.
Description
Technical Field
The utility model relates to a UPS supplies distribution system, concretely relates to distribution device based on UPS.
Background
The space launch test activity needs high power supply reliability, the space launch test load is an important load, and the important load is powered by a UPS (uninterruptible power supply) under general conditions, so that the UPS plays an extremely important role in smoothly carrying out the whole task, and the safe and stable operation of the UPS is an important guarantee for the safe operation of the whole space launch test system.
In application, the UPS can also have various faults and needs maintenance and overhaul. In order to ensure uninterrupted test activities, it is necessary to provide a safe and reliable way to ensure uninterrupted power supply for critical loads in case of UPS failure or maintenance.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a distribution device based on UPS can provide incessant power supply for important load, ensures the continuous power supply of important load when UPS trouble, maintenance.
The technical scheme of the utility model is that: a UPS-based power distribution apparatus comprising: a distribution box and a UPS; a circuit breaker A, a circuit breaker B, a circuit breaker C and a circuit breaker D are arranged in the distribution box;
the main power supply is electrically connected with the input end of the UPS through a circuit provided with a circuit breaker A, and the output end of the UPS is electrically connected with the load group through a circuit provided with a circuit breaker C;
the bypass power supply is divided into two paths, one path is electrically connected with the input end of the UPS through a circuit provided with a circuit breaker B, and the output end of the UPS is electrically connected with the load group through a circuit provided with a circuit breaker C to supply power to the load group; and the other path is connected with the load group through a circuit provided with a breaker D to directly supply power to the load group.
As a preferred scheme, still include metal baffle, metal baffle separates the block terminal for two independent spaces, makes two independent spaces be block terminal A and block terminal B respectively, circuit breaker A is located block terminal A, circuit breaker B, circuit breaker C and circuit breaker D are located block terminal B.
As a preferable scheme, when the main power supply and the UPS host are both normal, the circuit breaker a and the circuit breaker C are closed at the same time, and the main power supply supplies power to the load group through UPS voltage stabilization; when the main power supply is interrupted and the UPS host is normal, the main power supply cannot supply power to the UPS, the UPS is switched to a bypass power supply to operate, one end of a circuit provided with a breaker B is connected with the bypass power supply, the other end of the circuit is connected with the input end of the UPS, the breaker B and a breaker C are closed at the same time, and the bypass power supply supplies power to a load group through the UPS voltage stabilization; when the main power supply and the bypass power supply are interrupted and the UPS host is normal, the UPS starts a standby battery carried by the UPS host, the breaker C is closed, and the standby battery of the UPS supplies power to the load group; when the UPS host computer is out of order, no matter whether the main power supply is interrupted or not, the UPS is switched to the bypass power supply to operate, the breaker B and the breaker C are closed simultaneously, the bypass power supply supplies power for the load group through the bypass power supply circuit of the UPS, meanwhile, the breaker D is closed, two branches of the bypass power supply are in short-time parallel operation, then the breaker C is disconnected, and the UPS is withdrawn from the power distribution device for maintenance.
Has the advantages that:
(1) the utility model provides a distribution device can provide incessant power supply for important load, has realized UPS and mains supply's seamless switching, ensures the continuous power supply of important load when UPS trouble, maintenance.
Drawings
Fig. 1 is a schematic diagram of a UPS-based power distribution apparatus according to the present invention.
Wherein, 1-breaker A, 2-breaker B, 3-breaker C, 4-breaker D, 5-metal partition, 6-important load A, 7-important load B, 8-important load C, 9-important load D, 10-UPS
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The embodiment provides a distribution device based on a UPS, which can provide uninterrupted power supply for important loads and ensure the continuous power supply of the important loads when the UPS fails and is maintained.
As shown in fig. 1, the power distribution apparatus is connected to the main power supply, the bypass power supply and the load group, respectively, and includes a distribution box, a metal partition 5 and a UPS 10; the metal partition plate 5 divides the distribution box into a distribution box A and a distribution box B;
the circuit breaker A1 is arranged in the distribution box A, and the circuit breaker B2, the circuit breaker C3 and the circuit breaker D4 are arranged in the distribution box B; the distribution box A is connected with a main power supply, the distribution box B is connected with a bypass power supply, and the electric box A and the distribution box B are two independent spaces, so that the independence of two paths of power supplies is ensured;
when the UPS10 is normal and the main power supply is normal, the main power supply is electrically connected with the input end of the UPS10 through a circuit provided with a breaker A1 and is used as a main power supply circuit of the UPS10, and the output end of the UPS10 is electrically connected with a load group through a circuit provided with a breaker C3 and is used for supplying power to the load group; when the main power supply and the bypass power supply are both interrupted and the UPS10 main machine is normal, the output end of the UPS10 is electrically connected with the load group through a circuit provided with a breaker C3, and a standby battery in the UPS10 supplies power to the load group;
the bypass power supply is divided into two paths, one path is electrically connected with the input end of the UPS10 through a circuit provided with a circuit breaker B2 and is used as a bypass power supply circuit of the UPS10 (the bypass power supply cannot be subjected to voltage stabilization through the bypass power supply circuit of the UPS10 and can only supply power for a short time), the output end of the UPS10 is electrically connected with the load group through a circuit provided with a circuit breaker C3, and when a host of the UPS10 breaks down, the bypass power supply supplies power for the load group through the bypass power supply circuit of the UPS 10; the other path is a maintenance circuit which is electrically connected with the load group through a circuit provided with a breaker D4 to directly supply power to the load end.
The load group is selected according to the actual engineering requirements and comprises an important load A6, an important load B7, an important load C8 and an important load D9 which are connected in parallel.
Specifically, the method comprises the following steps: the power distribution device is used for an aerospace test system, and a main power supply and a bypass power supply which are connected with the power distribution device are both mains supplies.
The circuit breaker C3 is used as a UPS10 output main switch, the circuit breaker D4 is used as a fault maintenance switch, and circuits of the circuit breaker C3 and the circuit breaker D4 are connected in parallel, so that the operation of short-time parallel connection of two power supplies is facilitated;
when the UPS10 main machine and the main power supply are normal, the circuit breaker A1 and the circuit breaker C3 are closed at the same time, and the main power supply supplies power to the load group through the main machine of the UPS 10;
when the UPS10 main machine is normal and the main power supply is interrupted, the main power supply can not supply power to the UPS10, the UPS10 is switched to a bypass power supply to operate, one end of a circuit provided with a breaker B2 is connected with the bypass power supply, the other end of the circuit is connected with the input end of the UPS10, the breaker B2 and the breaker C3 are closed at the same time, and the bypass power supply supplies power to a load group through the UPS10 voltage stabilization;
when the UPS10 main machine is normal and the main power supply and the bypass power supply are both interrupted, the UPS10 supplies power to the load group through the backup battery;
when the UPS10 host fails, whether the main power supply is interrupted or not, the UPS10 switches to the bypass power supply circuit thereof, and simultaneously closes the circuit breaker B2 and the circuit breaker C3, and the bypass power supply supplies power to the load group through the bypass power supply circuit of the UPS 10; meanwhile, the circuit breaker D4 is closed, two branches of the bypass power supply run in parallel for a short time, then the circuit breaker B2 and the circuit breaker C3 are disconnected, and the UPS10 is withdrawn from the power distribution device for maintenance; at the moment, because two branches of the bypass power supply are from the same power supply bus, the voltage, the frequency and the phase of the two branches of the bypass power supply are completely the same, so that the two branches of the bypass power supply are safe and reliable in short-time parallel operation, the normal operation of a carried load group is not influenced, and uninterrupted power supply for the load group can be ensured.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An UPS-based power distribution apparatus, comprising: a distribution box and a UPS (10); a circuit breaker A (1), a circuit breaker B (2), a circuit breaker C (3) and a circuit breaker D (4) are arranged in the distribution box;
the main power supply is electrically connected with the input end of the UPS (10) through a circuit provided with a breaker A (1), and the output end of the UPS (10) is electrically connected with the load group through a circuit provided with a breaker C (3);
the bypass power supply is divided into two paths, one path is electrically connected with the input end of the UPS (10) through a circuit provided with a circuit breaker B (2), and the output end of the UPS (10) is electrically connected with the load group through a circuit provided with a circuit breaker C (3) to supply power for the load group; and the other path is connected with the load group through a circuit provided with a breaker D (4) to directly supply power to the load group.
2. The UPS-based power distribution apparatus of claim 1, further comprising a metal partition (5), the metal partition (5) separating the box into two separate spaces, box a and box B, the circuit breaker a (1) being located in box a, the circuit breaker B (2), circuit breaker C (3), and circuit breaker D (4) being located in box B.
3. The UPS-based power distribution apparatus of claim 1, wherein when the main power supply and the UPS (10) main unit are both normal, the circuit breaker a (1) and the circuit breaker C (3) are closed simultaneously, and the main power supply supplies power to the load group via the UPS (10) voltage regulation; when the main power supply is interrupted and the UPS (10) host is normal, the main power supply cannot supply power to the UPS (10), the UPS (10) is switched to a bypass power supply to operate, one end of a circuit provided with a breaker B (2) is connected with the bypass power supply, the other end of the circuit is connected with the input end of the UPS (10), the breaker B (2) and a breaker C (3) are closed at the same time, and the bypass power supply supplies power to a load group through the stabilized voltage of the UPS (10); when the main power supply and the bypass power supply are interrupted and the host of the UPS (10) is normal, the UPS (10) starts a standby battery carried by the UPS (10), the breaker C (3) is closed, and the standby battery of the UPS (10) supplies power for the load group; when the UPS (10) main machine is in fault, no matter whether a main power supply is interrupted or not, the UPS (10) is switched to a bypass power supply to operate, meanwhile, a breaker B (2) and a breaker C (3) are closed, the bypass power supply supplies power to a load group through a bypass power supply circuit of the UPS (10), meanwhile, a breaker D (4) is closed, two branches of the bypass power supply run in parallel for a short time, then the breaker C (3) is opened, and the UPS (10) is withdrawn from a power distribution device for maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534183.3U CN210156971U (en) | 2019-04-18 | 2019-04-18 | Power distribution device based on UPS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534183.3U CN210156971U (en) | 2019-04-18 | 2019-04-18 | Power distribution device based on UPS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210156971U true CN210156971U (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920534183.3U Active CN210156971U (en) | 2019-04-18 | 2019-04-18 | Power distribution device based on UPS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210156971U (en) |
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2019
- 2019-04-18 CN CN201920534183.3U patent/CN210156971U/en active Active
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