CN221009852U - Bus bar structure of power distribution cabinet - Google Patents
Bus bar structure of power distribution cabinet Download PDFInfo
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- CN221009852U CN221009852U CN202322843018.5U CN202322843018U CN221009852U CN 221009852 U CN221009852 U CN 221009852U CN 202322843018 U CN202322843018 U CN 202322843018U CN 221009852 U CN221009852 U CN 221009852U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
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Abstract
The utility model provides a bus bar structure of a power distribution cabinet, which belongs to the technical field of power supply systems and comprises the following components: a first redundant power supply module; the two-way power supply switching power supply equipment module is positioned at one side of the first redundant power supply equipment module; the second redundant power supply equipment module is positioned at one side of the two-way power supply switching power supply equipment module; a first power module connected to the first redundant power supply module; a second power module connected to the second redundant power supply module; the first redundant power supply equipment module is connected with the second redundant power supply equipment module through the automatic power switching device, and the two-way power supply switching power supply equipment module is connected with the first redundant power supply equipment module and the second redundant power supply equipment module in parallel through the automatic power switching device. By adopting the technical scheme of the utility model, two conventional bus arrangement schemes of the power distribution cabinet are integrated, so that the number of power distribution cabinets required by equipment which also needs to be powered is reduced, and the cost of the power supply equipment is saved.
Description
Technical Field
The utility model relates to the technical field of power supply systems, in particular to a bus bar structure of a power distribution cabinet.
Background
The power distribution cabinet is equipment for centralizing, switching and distributing electric energy. The power distribution cabinet generally comprises a cabinet body, a switch (breaker), a protection device, a monitoring device, an electric energy meter and other secondary components. The device is installed in a power station, a transformer substation and a place with larger electricity consumption.
The bus bar is a conductive material name on the power distribution equipment, is made of flat copper (equivalent to an electric wire), has no insulating layer, is externally painted with color paint for representing phase sequence, and is mainly used for connecting a power supply main gate of a power distribution cabinet to each split gate.
An automatic power switching device (ATS), also called automatic transfer switching device, is composed of one or several transfer switching devices and their necessary electrical devices for detecting the power supply circuit and automatically switching one or more load circuits from one power supply to another power supply electrical device to ensure continuous and reliable operation of the important loads.
In the prior art, when powered devices with different requirements on power supply exist in a power supply system, different bus arrangement schemes are required to be set for the powered devices, so that the powered devices with different requirements on power supply cannot be configured on the same surface of a power distribution cabinet, and the number of the required power distribution cabinets is greatly increased. Especially when the number of the powered devices is less and the requirements on the power supply are different, only a small number of the powered devices are arranged on one face of the power distribution cabinet, and the power supply cost can be greatly increased.
Disclosure of utility model
The utility model provides a bus bar structure of a power distribution cabinet, which is used for solving the technical problem that when power receiving equipment has different power supply requirements in a power supply system, the number of the power distribution cabinets is increased due to different bus bar schemes, so that the number of the power distribution cabinets is increased, and the power supply cost is too high.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
A power distribution cabinet busbar structure, comprising:
A first redundant power supply module;
The two-way power supply switching power supply equipment module is positioned at one side of the first redundant power supply equipment module;
The second redundant power supply equipment module is positioned at one side of the two-way power supply switching power supply equipment module;
a first power module connected to the first redundant power supply module;
A second power module connected to the second redundant power supply module;
The first redundant power supply equipment module is connected with the second redundant power supply equipment module through the automatic power switching device, and the two-way power switching power supply equipment module is connected with the first redundant power supply equipment module and the second redundant power supply equipment module in parallel through the automatic power switching device.
Optionally, the first redundant power supply apparatus module includes: the system comprises a first bus bar and at least one first redundant power supply equipment module breaker connected with the first bus bar;
The second redundant power supply equipment module includes: the system comprises a second bus bar and at least one second redundant power supply equipment module breaker connected with the second bus bar;
The two-way power supply switching power supply equipment module comprises: the device comprises a third bus bar and at least one double-circuit power supply switching power supply equipment module breaker connected with the third bus bar.
Optionally, both ends of the first busbar and the second busbar are located in the first power distribution cabinet.
Optionally, a voltmeter is arranged on the third busbar in parallel and is used for detecting the voltage of the two-way power supply switching power supply equipment module.
Optionally, one end of the third busbar is located in the first power distribution cabinet, and the other end of the third busbar is connected with the second power distribution cabinet in series.
Optionally, the first power module includes: the power supply comprises a first power supply and a first isolating switch connected with the first power supply, wherein the other end of the first isolating switch is connected with the first bus bar.
Optionally, the second power module includes: the second power supply and the second isolating switch are connected with the second power supply, and the other end of the second isolating switch is connected with the second bus bar.
Optionally, the first busbar, the second busbar and the third busbar are copper busbars.
The scheme of the utility model at least comprises the following beneficial effects:
The scheme of the utility model is that a first redundant power supply equipment module is arranged; the two-way power supply switching power supply equipment module is positioned at one side of the first redundant power supply equipment module; the second redundant power supply equipment module is positioned at one side of the two-way power supply switching power supply equipment module; a first power module connected to the first redundant power supply module; a second power module connected to the second redundant power supply module; the first redundant power supply equipment module is connected with the second redundant power supply equipment module through the automatic power switching device, and the two-way power switching power supply module is connected with the first redundant power supply equipment module and the second redundant power supply equipment module in parallel through the automatic power switching device. By adopting the technical scheme of the utility model, two conventional power distribution cabinet bus bar schemes are integrated, so that one power distribution cabinet can simultaneously supply power for equipment needing redundant power supply and equipment needing double-circuit switching power supply, compared with the conventional power distribution cabinet bus bar configuration scheme, the number of power distribution cabinets required by the equipment needing power supply is reduced, the number of power distribution cabinets is further reduced, and the cost of power supply equipment is greatly saved.
Drawings
FIG. 1 is a schematic diagram of a busbar configuration system of the present utility model;
fig. 2 is a schematic diagram of a connection relationship between a first power distribution cabinet and a second power distribution cabinet according to the present utility model.
Reference numerals illustrate:
11. A first busbar; 12. a first redundant power supply module circuit breaker; 21. a second bus bar; 22. a second redundant power supply module circuit breaker; 31. a third bus bar; 32. a two-way power supply switching power supply equipment module breaker; 33. a voltmeter; 4. an automatic switching device of the power supply; 51. a first power supply; 52. a first isolation switch; 61. a second power supply; 62. a second isolation switch; 7. a first power distribution cabinet; 8. and a second power distribution cabinet.
Detailed Description
Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1, an embodiment of the present utility model provides a busbar structure of a power distribution cabinet, including: a first redundant power supply module; the two-way power supply switching power supply equipment module is positioned at one side of the first redundant power supply equipment module; the second redundant power supply equipment module is positioned at one side of the two-way power supply switching power supply equipment module; a first power module connected to the first redundant power supply module; a second power module connected to the second redundant power supply module; the first redundant power supply equipment module is connected with the second redundant power supply equipment module through the automatic power switching device 4, and the two-way power switching power supply module is connected with the first redundant power supply equipment module and the second redundant power supply equipment module in parallel through the automatic power switching device 4.
In this embodiment, the automatic switching device 4 for power supply of the present application, abbreviated as ATS, adopts a PC-grade ATS product with a rated voltage of 220VAC, a rated current of 50-300A, and a switching time of < 200 ms.
Because the first redundant power supply equipment module is connected with the second redundant power supply equipment module through the automatic power switching device 4, the first power supply module and the second power supply module can supply power for the first redundant power supply equipment module and the second redundant power supply equipment module. When the first power supply module is abnormal, the second power supply module can continue to supply power for the first redundant power supply equipment module and the second redundant power supply equipment module; when the power supply of the second power supply module is abnormal, the first power supply module can continue to supply power to the first redundant power supply equipment module and the second redundant power supply equipment module, so that the first redundant power supply equipment module and the second redundant power supply equipment module can continuously and normally operate under the condition of no power failure; when the power supply of the first power supply module is abnormal, the second power supply module can continue to supply power to the first redundant power supply equipment module and the second redundant power supply equipment module, so that the first redundant power supply equipment module and the second redundant power supply equipment module can continuously and normally run under the condition of no power failure.
Because the double-circuit power supply switching power supply equipment module is connected with the first redundant power supply equipment module and the second redundant power supply equipment module in parallel through the automatic power supply switching device 4, under normal conditions, the first power supply module or the second power supply module is selected to supply power to the double-circuit power supply switching power supply equipment module through the automatic power supply switching device 4, and when the power supply module supplying power to the double-circuit power supply switching power supply equipment module cannot normally work, the automatic power supply switching device 4 automatically identifies and switches loops, so that the other power supply module supplies power to the double-circuit power supply switching power supply equipment module, and the normal operation of the double-circuit power supply switching power supply equipment module is ensured.
Specifically, when the first power module cannot normally supply power to the two-way power supply switching power supply equipment module, the power supply automatic switching device 4 automatically identifies and switches a loop, so that the second power supply supplies power to the two-way power supply switching power supply equipment module; when the second power module cannot normally supply power to the two-way power supply switching power supply equipment module, the power supply automatic switching device 4 automatically identifies and switches loops, so that the first power supply supplies power to the two-way power supply switching power supply equipment module.
When the power module which cannot normally supply power is subjected to fault elimination, manual adjustment is needed, so that the power module after fault elimination continuously supplies power for the two-way power supply switching power supply equipment module.
The positions among the first redundant power supply equipment module, the second redundant power supply equipment module and the two-way switching power supply equipment module are not limited to those shown in fig. 1, and the numbers of the first redundant power supply equipment module, the second redundant power supply equipment module and the two-way power supply switching power supply equipment module are not limited to those shown in fig. 1.
In this embodiment, when the number of the redundant power supply devices is required to be less, through will first redundant power supply device module second redundant power supply device module double-circuit power supply switching power supply device module sets up on the same face in the switch board, integrate two kinds of conventional switch board busbar schemes for one side switch board can supply power for the equipment that needs redundant power supply, the equipment that needs double-circuit power supply switching power supply simultaneously, compares in conventional switch board busbar configuration scheme and has reduced the required switch board face number of the equipment that also needs the power supply, and then has reduced the quantity of switch board, has practiced thrift power supply device cost greatly.
The first redundant power supply equipment module includes: a first busbar 11, at least one first redundant power supply module breaker 12 connected to said first busbar 11; the second redundant power supply equipment module includes: a second busbar 21, at least one second redundant power supply module breaker 22 connected to the second busbar 21; the two-way power supply switching power supply equipment module comprises: a third busbar 31, at least one two-way power switching power supply module breaker 32 connected to the third busbar 31.
In an alternative embodiment of the present utility model, at least one first redundant power supply module breaker 12 is connected below the first bus bar 11, at least one second redundant power supply module breaker 22 is connected below the second bus bar 21, and a device requiring redundant power supply is connected to the other end of each of the first redundant power supply module breaker 12 and the second redundant power supply module breaker 22, for example: boiler fire detection amplifier cabinet and steam turbine TSI control cabinet of thermal power generating unit. At least one second redundant power supply module breaker 22 is disposed below the two-way power supply switching power supply module, and an apparatus requiring two-way power supply switching power supply is connected to the other end of each two-way power supply switching power supply module breaker 32, for example: thermal instrument and analysis instrument of thermal power generating unit.
In this embodiment, by connecting the first redundant power supply module breaker 12 with the first bus bar 11, connecting the second redundant power supply module breaker 22 with the second bus bar 21, and connecting the two-way power supply switching power supply module breaker 32 with the third bus bar 31, the devices requiring redundant power supply, which are connected with the first redundant power supply module breaker 12 and the second redundant power supply module breaker 22, and the devices requiring two-way power supply switching power supply, which are connected with the two-way power supply switching power supply module breaker 32, do not need to be fed directly from the first power supply module or the second power supply module, thereby greatly reducing the length of the power supply cable and saving the cost.
In an alternative embodiment of the present utility model, both ends of the first busbar 11 and the second busbar 21 are located in the first power distribution cabinet 7.
In this embodiment, when the power supply loop is a low-voltage power supply loop, the size of the first busbar 11 and the second busbar 21 is smaller, and the first busbar 11 and the second busbar are disposed on the same surface of the power distribution cabinet, so that the space in the power distribution cabinet can be saved, and the cost is reduced.
In an alternative embodiment of the present utility model, one end of the third busbar 31 is located in the first power distribution cabinet 7, and the other end is connected in series with the second power distribution cabinet 8.
In this embodiment, as shown in fig. 2, by connecting one end of the third bus bar 31 with the second power distribution cabinet 8 in series, at least one circuit breaker 32 for two-way power switching power supply equipment may be disposed in parallel on the bus bar in the second power distribution cabinet 8, so that more power switching power supply equipment may be simultaneously supplied with power, and the expansibility of the power distribution cabinet is improved.
In an alternative embodiment of the present utility model, a voltmeter 33 is disposed in parallel on the third bus bar 31, and is used for detecting the voltage of the two-way power supply switching power supply module.
In this embodiment, as shown in fig. 1, the number of the circuit breakers 32 of the two-way power switching power supply devices connected to the third bus bar 31 is large, which may cause the voltage of the third bus bar 31 to fluctuate, so that the voltmeter 33 needs to be arranged on the third bus bar 31 in parallel to detect the voltage change of the third bus bar 31, so as to facilitate the monitoring of the operator.
When the number of the first redundant power supply module circuit breakers 12 connected with the first bus bar 11 or the number of the second redundant power supply module circuit breakers 22 connected with the second bus bar 21 is larger, the voltmeter may be arranged on the first bus bar 11 or the second bus bar 21 in parallel, so as to detect the voltage change of the first bus bar 11 or the second bus bar 21, thereby facilitating the monitoring of operators.
In an alternative embodiment of the present utility model, the first power module includes: the first power supply 51, a first isolating switch 52 connected with the first power supply 51, wherein the other end of the first isolating switch 52 is connected with the first bus bar 11.
The second power module includes: the second power supply 61, a second disconnecting switch 62 connected in series with the second power supply 61, and the other end of the second disconnecting switch 62 is connected with the second bus bar 21.
In this embodiment, the first power source 51 and the second power source 61 are electric power supply sections or Uninterruptible Power Supply (UPS).
In this embodiment, by providing the first isolating switch 52 between the first power source 51 and the first busbar 11 and providing the second isolating switch 62 between the second power source 61 and the second busbar 21, the safety of the power distribution cabinet is improved.
In this embodiment, the first power source 51 is connected to the first isolating switch 52 through a cable and a connection terminal, and the second power source 52 is connected to the second isolating switch 62 through a cable and a connection terminal.
In an alternative embodiment of the present utility model, the first busbar 11, the second busbar 21, and the third busbar 31 are copper busbars.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The utility model provides a switch board busbar structure which characterized in that includes:
A first redundant power supply module;
The two-way power supply switching power supply equipment module is positioned at one side of the first redundant power supply equipment module;
The second redundant power supply equipment module is positioned at one side of the two-way power supply switching power supply equipment module;
a first power module connected to the first redundant power supply module;
A second power module connected to the second redundant power supply module;
The first redundant power supply equipment module is connected with the second redundant power supply equipment module through the automatic power switching device (4), and the two-way power switching power supply equipment module is connected with the first redundant power supply equipment module and the second redundant power supply equipment module in parallel through the automatic power switching device (4).
2. The power distribution cabinet busbar arrangement of claim 1, wherein the first redundant power supply equipment module comprises: a first busbar (11), at least one first redundant power supply module breaker (12) connected to the first busbar (11);
The second redundant power supply equipment module includes: a second busbar (21), at least one second redundant power supply module breaker (22) connected to the second busbar (21);
The two-way power supply switching power supply equipment module comprises: the device comprises a third bus bar (31) and at least one double-circuit power supply switching power supply equipment module breaker (32) connected with the third bus bar (31).
3. The power distribution cabinet busbar arrangement according to claim 2, wherein both ends of the first busbar (11) and the second busbar (21) are located in the first power distribution cabinet (7).
4. The bus bar structure of the power distribution cabinet according to claim 2, wherein a voltmeter (33) is arranged on the third bus bar (31) in parallel for detecting the voltage of the two-way power supply switching power supply equipment module.
5. A power distribution cabinet busbar arrangement according to claim 3, wherein one end of the third busbar (31) is located in the first power distribution cabinet (7), and the other end is connected in series with the second power distribution cabinet (8).
6. The power distribution cabinet busbar structure of claim 2, wherein the first power module includes: the power supply comprises a first power supply (51) and a first isolating switch (52) connected with the first power supply (51), wherein the other end of the first isolating switch (52) is connected with the first bus bar (11).
7. The power distribution cabinet busbar structure of claim 2, wherein the second power module includes: the power supply comprises a second power supply (61) and a second isolating switch (62) connected with the second power supply (61), wherein the other end of the second isolating switch (62) is connected with the second bus bar (21).
8. The power distribution cabinet busbar arrangement according to claim 2, wherein the first busbar (11), the second busbar (21) and the third busbar (31) are copper busbars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322843018.5U CN221009852U (en) | 2023-10-23 | 2023-10-23 | Bus bar structure of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322843018.5U CN221009852U (en) | 2023-10-23 | 2023-10-23 | Bus bar structure of power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221009852U true CN221009852U (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322843018.5U Active CN221009852U (en) | 2023-10-23 | 2023-10-23 | Bus bar structure of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221009852U (en) |
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2023
- 2023-10-23 CN CN202322843018.5U patent/CN221009852U/en active Active
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