CN107154586B - Compact low-voltage power distribution cabinet - Google Patents
Compact low-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN107154586B CN107154586B CN201710382235.5A CN201710382235A CN107154586B CN 107154586 B CN107154586 B CN 107154586B CN 201710382235 A CN201710382235 A CN 201710382235A CN 107154586 B CN107154586 B CN 107154586B
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- Prior art keywords
- bus
- phase
- power distribution
- plug
- distribution cabinet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/005—Laminated bus-bars
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a compact low-voltage power distribution cabinet which comprises a shell, a bus system and a circuit breaker, wherein a front group of bus system and a rear group of bus system and the circuit breaker are arranged back to back, an A-phase bus, a B-phase bus and a C-phase bus in each group of bus system are all arranged in a stacked manner perpendicular to a bus clamp, the bus clamp is fastened with a mounting plate, a plurality of plug-in bus connectors are sequentially arranged on the mounting plate from top to bottom, one side of each plug-in bus connector is connected with each circuit breaker, and the other side of each plug-in bus connector is plugged in one side of a stacked bus; the upper port bus of the disconnecting link switch is connected with the main bus through bolts, and the lower port bus is connected with the A-phase bus, the B-phase bus and the C-phase bus of the laminated bus to form the power distribution system. The invention relates to a compact low-voltage power distribution cabinet, which realizes the standardized, integrated and modularized installation mode of a low-voltage bus power distribution system, thoroughly changes the bus punching and bending installation modes of the traditional low-voltage power distribution cabinet, and can increase or reduce standby load at any time after use, improve the installation efficiency and reduce the product cost.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a compact low-voltage power distribution cabinet.
Background
Bus bar systems are increasingly being developed towards simple, safe, compact structures as an important component of energy distribution. The busbar in traditional switch board, horizontal installation is in switch board top below, and the switch is then vertical installation in the below of busbar, from left to right puts in proper order. Taking a feeder cabinet as an example, the bus adopts the traditional punching and bending installation process, which is tedious and time-consuming. When the housing space is fixed, the number of internally mounted circuit breakers is very limited, especially if the low voltage circuit outputs are high. It is difficult to add circuit breakers in the field and sufficient redundancy must be ensured prior to installation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a compact low-voltage power distribution cabinet with small volume and simple installation process.
The invention aims at realizing the following technical means:
the utility model provides a compact low-voltage distribution cabinet, includes casing, bus system and circuit breaker, and well lower part in the casing sets up installation roof beam a, and upper portion in the casing sets up installation roof beam b, its characterized in that: the front and back groups of bus systems and the circuit breaker are arranged back to back, and an A-phase bus, a B-phase bus and a C-phase bus in each group of bus systems are all perpendicular to a bus clamp in a stacked manner and are fixed through the bus clamp, the bus clamp is fastened with a mounting plate through an inner hexagon bolt, and the mounting plate is fixed with a mounting beam a on a low-voltage power distribution cabinet shell;
a plurality of plug-in bus connectors are sequentially arranged on the mounting plate from top to bottom, copper terminals on one side of each plug-in bus connector are connected with upper ports of respective circuit breakers through bolts, the other side of each plug-in bus connector is inserted into one side of a laminated bus and perpendicular to the laminated bus, and A-phase copper conductors and A-phase buses, B-phase copper conductors and B-phase buses and C-phase copper conductors on the plug-in bus connectors are respectively clamped by inner hexagon bolts;
the disconnecting link switch is arranged on the mounting beam b, and an upper port bus of the disconnecting link switch is connected with the main bus through a bolt; the lower port is connected with the A phase bus, the B phase bus and the C phase bus of the laminated bus through buses to form the power distribution system.
The number of the plug-in bus connectors is four, and two plug-in bus connectors 400A and two plug-in bus connectors 250A are respectively arranged from top to bottom.
The number of the circuit breakers is four, and the circuit breakers are matched with the pluggable bus connectors, namely two circuit breakers 400A and two circuit breakers 250A from top to bottom.
And, reserve space below the lowest pluggable bus connector.
The invention has the advantages and positive effects that:
1. and a brand new bus system installation mode. The bus in the compact low-voltage power distribution cabinet project is vertically arranged at the position of the central line of the power distribution cabinet, and is arranged in a laminated manner, and the bus is A phase, B phase and C phase in sequence from the outer side to the installation partition plate. The circuit breaker is vertical to the laminated bus and horizontally arranged at the left side and the right side of the laminated bus and symmetrically arranged. The whole bus system is arranged in a non-character shape.
2. Use of a pluggable bus connector. One end of the pluggable bus connector is connected with the incoming line side terminal of the circuit breaker, and the other end of the pluggable bus connector is spliced on one side of the laminated bus and connected with the bus. The standardized plug-in bus connector replaces the traditional bending and punching complex process procedures of buses and branch buses, so that the mounting process is simplified, and the mounting efficiency is improved.
3. And (3) a rapid installation process without punching of the bus. The rapid installation process of the bus without punching is safe and rapid, and meanwhile, the bus is connected in a plug-in type assembly mode through bolt fastening, so that good contact performance is effectively guaranteed, power supply reliability is guaranteed, meanwhile, working efficiency is greatly improved, and labor cost is saved by more than 60%. In addition, the material of the copper bar is not damaged, and the punching and heating of the copper bar can be avoided.
4. Saving space in the cabinet. Conventional low voltage power distribution cabinets have a significant limitation in the number of internal circuit breakers installed when cabinet space is fixed. Compared with the traditional low-voltage power distribution cabinet, the brand-new bus installation mode can save the product volume by more than 30%.
5. Reserve installation space. Reserve the spare installation space, add or reduce spare load at any time. Compared with the traditional installation mode, the circuit breaker is more convenient to change and increase.
6. The manufacturing cost of the product is reduced. The standardized bus system is applied to the feed cabinet, more wire outlet loops can be added in the cabinet with the same size, and the number of cabinets is saved.
7. And the modularized assembly and installation mode simplifies the process flow and improves the working efficiency.
8. The compact low-voltage power distribution cabinet is reasonable in design, convenient to use, small in occupied space and low in manufacturing cost, the project of the compact low-voltage power distribution cabinet realizes the standardized, integrated and modularized mounting mode of a low-voltage bus power distribution system, the bus punching and bending mounting modes of the traditional low-voltage power distribution cabinet are thoroughly changed, and the mounting efficiency can be improved after the compact low-voltage power distribution cabinet is used.
Drawings
FIG. 1 is a primary system diagram;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
fig. 5 is a C-C cross-sectional view of fig. 2.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the attached drawings; the present embodiment is illustrative, not restrictive, and the scope of the invention is not limited thereto.
The utility model provides a compact low-voltage power distribution cabinet, which comprises a housin, bus bar system and circuit breaker, the well lower part in the casing sets up installation roof beam a, the upper portion in the casing sets up installation roof beam B, two sets of bus bar system and circuit breaker are put back to back, A looks generating line (1) in every group bus bar system, B looks generating line (2) and C looks generating line (3) all perpendicular to busbar clamp (4) range upon range of are put, and fixed through busbar clamp (4), busbar clamp (4) are with hexagon socket head cap screw fastening for mounting panel (5), mounting panel (5) are fixed with installation roof beam a (11) on low-voltage power distribution cabinet casing (10). The modularized installation mode is simple and easy to operate, and ensures the safety and reliability of power supply.
A plurality of plug-in bus connectors are sequentially installed on the mounting plate from top to bottom, and each plug-in bus connector is matched with one circuit breaker. In this embodiment, there are four pluggable bus connectors, two pluggable bus connectors 400A (6) and two pluggable bus connectors 250A (7) from top to bottom. The number of the circuit breakers is four, the circuit breakers are matched with the pluggable bus connector, and the number of the circuit breakers is two from top to bottom, namely, the circuit breakers 400A (8) and the circuit breakers 250A (9).
Taking the uppermost pluggable bus connector as an example in the embodiment, a copper terminal (17) on one side of the pluggable bus connector 400A is connected with the upper port of the circuit breaker 400A (8) through bolts, the other side of the pluggable bus connector 400A (6) is plugged on one side of the laminated bus and perpendicular to the laminated bus, and an A-phase copper conductor (14) on the pluggable bus connector 400A (6) is respectively clamped with an A-phase bus (1), a B-phase copper conductor (15) and a B-phase bus (2), and a C-phase copper conductor (16) and a C-phase bus (3) through socket head bolts. Therefore, the copper bar does not need to be perforated, and is clamped tightly by the fastening force of the bolt, so that a rapid installation process is realized.
The disconnecting link switch (12) is arranged on the mounting beam b (13), and an upper port bus of the disconnecting link switch (12) is connected with the main bus through a bolt; the lower port is connected with the laminated bus A phase bus (1), the laminated bus B phase bus (2) and the laminated bus C phase bus (3) through buses to form the power distribution system.
A standby space is reserved below the lowest pluggable bus connector, namely a gap is reserved between the lowest pluggable bus connector and the bottom plate of the shell, so that the load can be increased at any time and reduced.
The invention discloses a compact low-voltage power distribution cabinet, wherein buses in the project of the compact low-voltage power distribution cabinet are vertically arranged at the position of the central line of the power distribution cabinet, and are arranged in a laminated manner, and A phase, B phase and C phase are sequentially arranged from the outer side to an installation partition plate. The circuit breaker is vertical to the laminated bus and horizontally arranged at the left side and the right side of the laminated bus and symmetrically arranged. The whole bus system is arranged in a non-character shape.
Fig. 1 is a primary system diagram of the power distribution cabinet, 1qk,2qk is a knife switch, in=1000a; 1QF to 8QF are circuit breakers, wherein 1QF,2QF,5QF,6QF, in=400A; 3qf,4qf,7qf,8qf, in=250a; as shown, placed in sequence.
A traditional power distribution cabinet is characterized in that at most 4 circuit breakers are placed in one power distribution cabinet with the width of 1000 mm. The power distribution cabinet disclosed by the invention has the advantages that 4 400A circuit breakers and 4 250A circuit breakers can be placed in the power distribution cabinet with the width of 1000 mm. Compared with the traditional structure, the volume is saved by more than 50 percent.
Claims (2)
1. The utility model provides a compact low-voltage distribution cabinet, includes casing, bus system and circuit breaker, and well lower part in the casing sets up installation roof beam a, and upper portion in the casing sets up installation roof beam b, its characterized in that: the front and back groups of bus systems and the circuit breaker are arranged back to back, and an A-phase bus, a B-phase bus and a C-phase bus in each group of bus systems are all perpendicular to a bus clamp in a stacked manner and are fixed through the bus clamp, the bus clamp is fastened with a mounting plate through an inner hexagon bolt, and the mounting plate is fixed with a mounting beam a on a low-voltage power distribution cabinet shell;
a plurality of plug-in bus connectors are sequentially arranged on the mounting plate from top to bottom, copper terminals on one side of each plug-in bus connector are connected with upper ports of respective circuit breakers through bolts, the other side of each plug-in bus connector is inserted into one side of a laminated bus and perpendicular to the laminated bus, and A-phase copper conductors and A-phase buses, B-phase copper conductors and B-phase buses and C-phase copper conductors on the plug-in bus connectors are respectively clamped by inner hexagon bolts;
the disconnecting link switch is arranged on the mounting beam b, and an upper port bus of the disconnecting link switch is connected with the main bus through a bolt; the lower port is connected with an A-phase bus, a B-phase bus and a C-phase bus of the laminated bus through buses to form a power distribution system;
the number of the plug-in bus connectors is four, and two plug-in bus connectors 400A and two plug-in bus connectors 250A are respectively arranged from top to bottom;
the number of the circuit breakers is four, and the circuit breakers are matched with the pluggable bus connectors, namely two circuit breakers 400A and two circuit breakers 250A from top to bottom.
2. The compact low voltage power distribution cabinet of claim 1, wherein: and reserving a standby space below the lowest pluggable bus connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382235.5A CN107154586B (en) | 2017-05-26 | 2017-05-26 | Compact low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382235.5A CN107154586B (en) | 2017-05-26 | 2017-05-26 | Compact low-voltage power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107154586A CN107154586A (en) | 2017-09-12 |
| CN107154586B true CN107154586B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382235.5A Active CN107154586B (en) | 2017-05-26 | 2017-05-26 | Compact low-voltage power distribution cabinet |
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| Country | Link |
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| CN (1) | CN107154586B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656276U (en) * | 2010-05-07 | 2010-11-24 | 珠海市丰兰实业有限公司 | Compact low voltage feed cabinet |
| CN103327791A (en) * | 2008-08-13 | 2013-09-25 | 德尔菲技术公司 | Electrical center with vertical power bus bar |
| CN205355543U (en) * | 2016-02-02 | 2016-06-29 | 吉林澳奇机电集团有限公司 | Power distribution cabinet |
| CN106783045A (en) * | 2017-03-16 | 2017-05-31 | 江西亿晟电气有限责任公司 | A kind of horizontal integration pole type transformer platform for collecting power transformation box and comprehensive distribution box composition |
| CN206758874U (en) * | 2017-05-26 | 2017-12-15 | 天津市三源电力设备制造有限公司 | A kind of low-voltage distribution cabinet with plug-in structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2806517B1 (en) * | 2013-05-20 | 2023-04-12 | ABB S.p.A. | Bus bar for electrical power distribution |
-
2017
- 2017-05-26 CN CN201710382235.5A patent/CN107154586B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327791A (en) * | 2008-08-13 | 2013-09-25 | 德尔菲技术公司 | Electrical center with vertical power bus bar |
| CN201656276U (en) * | 2010-05-07 | 2010-11-24 | 珠海市丰兰实业有限公司 | Compact low voltage feed cabinet |
| CN205355543U (en) * | 2016-02-02 | 2016-06-29 | 吉林澳奇机电集团有限公司 | Power distribution cabinet |
| CN106783045A (en) * | 2017-03-16 | 2017-05-31 | 江西亿晟电气有限责任公司 | A kind of horizontal integration pole type transformer platform for collecting power transformation box and comprehensive distribution box composition |
| CN206758874U (en) * | 2017-05-26 | 2017-12-15 | 天津市三源电力设备制造有限公司 | A kind of low-voltage distribution cabinet with plug-in structure |
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| CN107154586A (en) | 2017-09-12 |
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Address after: 300409 No. 8 Liaohe North Road, Beichen science and Technology Park, Beichen District, Tianjin Applicant after: Tianjin Sanyuan Power Intelligent Technology Co.,Ltd. Address before: 300409 No. 8 Liaohe North Road, Beichen science and Technology Park, Beichen District, Tianjin Applicant before: TIANJIN SANYUAN POWER EQUIPMENT MANUFACTURING Co.,Ltd. |
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