CN214506212U - Modular assembly type low-voltage distribution box - Google Patents
Modular assembly type low-voltage distribution box Download PDFInfo
- Publication number
- CN214506212U CN214506212U CN202120377268.2U CN202120377268U CN214506212U CN 214506212 U CN214506212 U CN 214506212U CN 202120377268 U CN202120377268 U CN 202120377268U CN 214506212 U CN214506212 U CN 214506212U
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- Prior art keywords
- branch
- breaker
- incoming
- bus bar
- phase
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- 239000012212 insulator Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000000819 phase cycle Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
A modular assembled low-voltage distribution box is characterized in that incoming cables enter a box body shell from an incoming port in the top of the box body shell and are connected with an incoming busbar row, the other end of the incoming busbar row is connected with a main breaker socket, an incoming power breaker is arranged at the main breaker socket and is connected with the incoming busbar row, a three-phase leading-out end of the incoming power breaker is connected with the three-phase busbar row through a power busbar row, one end of a branch busbar row is connected with the three-phase busbar row, the other end of the branch busbar row is connected with a branch breaker socket, a branch breaker is arranged at the branch breaker socket, a leading-out end of the branch breaker is connected with a load cable, and the load cable is led out of a box body through a leading-out port in the bottom of the box body shell; the utility model discloses a modular design can install fast and dismantle electrical elements such as circuit breaker in the cabinet, and the wiring is succinct and do not have unnecessary cable in the cabinet, takes the security that good insulating measure can guarantee equipment between the generating line row.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, in particular to modular assembly formula low voltage distribution box.
Background
The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations; the distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, more common application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect.
At present traditional low voltage distribution box, the structure of incasement has all been the immobilization, all comparatively wastes time and energy and need be at the cabinet wiring again when needs add branch circuit breaker in the incasement usually, and the circuit in traditional distribution cabinet is also comparatively in disorder usually, can have certain potential safety hazard when the wiring is not normal.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides a modular assembly formula low voltage distribution box, this equipment can install fast and dismantle electrical component such as circuit breaker in the cabinet through modular design, and the wiring is succinct and do not have unnecessary cable in the cabinet, takes the security that good insulating measure can guarantee the block terminal between the generating line row.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
the utility model provides a modular assembled low voltage distribution box, which comprises a box body shell, it is articulated through the hinge between box shell and the chamber door, the incoming line cable enters into in the box shell and is connected with the inlet wire generating line row from the inlet wire at box shell top, main circuit breaker socket is connected to the other end that the inlet wire generating line was arranged, inlet wire power circuit breaker ann is located main circuit breaker socket department and is connected with the inlet wire generating line row, inlet wire power circuit breaker's below is equipped with three-phase generating line row, inlet wire power circuit breaker's three-phase leading-out terminal passes through power generating line row and is connected with three-phase generating line row, three-phase generating line row is connected to branch line generating line row one end, branch line breaker socket is connected to the other end of branch line generating line row, branch line circuit breaker installs in branch line circuit breaker socket department, the load cable is connected to the outlet of branch line circuit breaker, the load cable is drawn forth to outside the box through the outlet of box shell bottom.
In the preferred scheme, the three-phase bus bars are sequentially arranged in the box body shell from top to bottom, the three-phase bus bars are connected with the inner wall of the box body shell through insulators, and the three-phase bus bars are respectively painted with yellow-green-red insulating paint according to the phase sequence.
In the preferred scheme, the insulator adopts high strength insulator, and the insulator is fixed with the three-phase bus bar and the box body shell through bolts.
In the preferred scheme, the branch circuit breaker sockets are respectively connected with a three-phase incoming line power supply of the branch bus bar, and the back parts of the incoming line power supply circuit breaker and the branch circuit breaker are provided with limiting bolts which are inserted into the corresponding circuit breaker sockets.
In the preferred scheme, three metal conducting blocks are arranged on the limiting bolt and connected with a three-phase wire outlet end of the breaker, and when the branch circuit breaker is inserted into the breaker socket, the metal conducting blocks are contacted with a branch bus bar in the breaker socket and communicated with a wire inlet power supply.
In the preferred scheme, a user can determine the installation positions and the number of the branch circuit breakers according to the actual situation on site.
In the preferred scheme, the power supply bus bar and the branch bus bar are externally sleeved with red, green and yellow silica gel insulating sheaths according to the phase sequence.
This patent can reach following beneficial effect:
1. the distribution box can realize the quick disassembly and assembly of the circuit breakers and other electrical elements in the distribution box through a modularized design idea, and a user can also determine the insertion positions and the number of the circuit breakers according to the actual situation on site;
2. the power distribution cabinet adopts a bus bar type connection mode, redundant cable wiring does not exist among all electrical elements, the power distribution cabinet is clean and tidy, a user can clearly see the structure in the cabinet, and the operation error of the user in the wiring work is greatly reduced;
3. good insulation measures are adopted between the busbar in the power distribution cabinet, the safety performance of the whole power distribution box is greatly improved, and the connection mode of the plug socket type of the circuit breaker can also greatly reduce the faults of short circuit grounding and the like in the wiring process.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a three-dimensional plan view of the overall structure of the present invention;
fig. 2 is a three-dimensional bottom view of the overall structure of the present invention;
FIG. 3 is a schematic front plan view of the overall structure of the present invention;
fig. 4 is a schematic view of a limiting bolt on the circuit breaker of the present invention;
fig. 5 is a schematic side view of the overall structure of the present invention.
In the figure: the box body comprises a box body shell 1, an incoming cable 2, an incoming bus bar 3, an incoming power circuit breaker 4, a power bus bar 5, an insulator 6, a branch circuit breaker 7, a three-phase bus bar 8, a branch bus bar 9, a bolt 10, a branch circuit breaker socket 11, a limiting bolt 12, a metal conducting block 13, a box door 14, a hinge 15 and an outlet 16.
Detailed Description
As shown in fig. 1 to 5, in a modular assembled low-voltage distribution box, a box door 14 is hinged to a box body casing 1 through a hinge 15 and can realize the one-way opening function of the box door 14, an incoming cable 2 enters the box body casing 1 from a wire inlet at the top of the box body casing 1 and is connected with an incoming bus bar 3, the other end of the incoming bus bar 3 is connected with a main breaker socket, an incoming power breaker 4 is arranged at the main breaker socket and is connected with the incoming bus bar 3, and the bus bar 3 supplies power to the incoming power breaker 4 through the main breaker socket;
a three-phase bus bar 8 is arranged below the incoming line power circuit breaker 4, the outgoing line end of the incoming line power circuit breaker 4 is connected with the three-phase bus bar 8 through a power bus bar 5, one end of a branch line bus bar 9 is connected with the three-phase bus bar 8, and the other end of the branch line bus bar 9 is connected with a branch line breaker socket 11; when the switch of the incoming line power breaker 4 is switched on, the power is transmitted to the three-phase bus bar 8 through the power bus bar 5, and then the power is led to the connected branch breaker socket 11 through the branch bus bar 9; the branch circuit breaker 7 is arranged at the position of the branch circuit breaker socket 11, the outlet end of the branch circuit breaker 7 is connected with a load cable, and the load cable is led out of the box body through an outlet 16 at the bottom of the box body shell 1.
Preferred scheme as shown in fig. 1 and fig. 2, the three-phase bus bars 8 are sequentially arranged in the box casing 1 from top to bottom, the three-phase bus bars 8 can adopt 20 × 5mm copper bars, the three-phase bus bars are at least A, B, C three phases respectively from top to bottom, the three-phase bus bars 8 are connected with the inner wall of the box casing 1 through insulators 6, the three-phase bus bars 8 are fixed on the insulators 6 through bolts 10, and the insulators 6 are high-strength insulators, so that the stability of connection with the copper bars can be improved.
The preferred scheme is as shown in fig. 1 to fig. 3, branch line breaker sockets 11 are respectively connected with three-phase incoming line power supplies of branch line bus bars 9, the backs of incoming line power supply breakers 4 and branch line breakers 7 are provided with limiting bolts 12, the limiting bolts 12 are inserted into the corresponding breaker sockets, the power supplies on the three-phase bus bars 8 are conducted to the branch line breaker sockets 11 through the branch line bus bars 9, and then are transmitted to the branch line breakers 7 through the branch line breaker sockets 11, and users can automatically determine the inserting positions and the number of the branch line breakers 7 according to the actual situation on site and the positions of the branch line breaker sockets 11.
Preferably, as shown in fig. 4, three metal conductive blocks 13 are arranged on the limit bolt 12, the metal conductive blocks 13 are connected to three-phase wire outlets of the branch breaker, and when the branch breaker 7 is inserted into the branch breaker socket 11, the metal conductive blocks 13 are in contact with the branch busbar 9 in the branch breaker socket 11 and are connected to a three-phase wire inlet power supply.
The preferable scheme is as shown in figure 1, the power supply bus bar 5 and the branch bus bar 9 are externally sleeved with red, green and yellow silica gel insulating sheaths according to the phase sequence, so that the electric shock caused by mistaken touch of an operator in use can be prevented, and the safety of the distribution box is further improved.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. The utility model provides a modular assembly formula low voltage distribution box, includes box shell (1), its characterized in that: the box body shell (1) is hinged with the box door (14) through a hinge (15), an incoming cable (2) enters the box body shell (1) from an incoming port at the top of the box body shell (1) and is connected with an incoming bus bar (3), the other end of the incoming bus bar (3) is connected with a main breaker socket, an incoming power breaker (4) is arranged at the main breaker socket and is communicated with the incoming bus bar (3), a three-phase bus bar (8) is arranged below the incoming power breaker (4), a leading-out terminal of the incoming power breaker (4) is connected with the three-phase bus bar (8) through a power bus bar (5), one end of the bus bar (9) is connected with the three-phase bus bar (8), the other end of the branch bus bar (9) is connected with a branch circuit breaker socket (11), a branch circuit breaker (7) is arranged at the circuit breaker socket (11), and a branch line terminal of the branch circuit breaker (7) is connected with a load cable, the load cable is led out of the box body through an outlet (16) at the bottom of the box body shell (1).
2. The modular assembled low-voltage distribution box according to claim 1, characterized in that: the three-phase bus bars (8) are sequentially arranged in the box body shell (1) from top to bottom, the three-phase bus bars (8) are connected with the inner wall of the box body shell (1) through the insulator (6), and the three-phase bus bars (8) are respectively coated with yellow-green-red insulating paint according to the phase sequence.
3. The modular assembled low-voltage distribution box according to claim 2, characterized in that: the insulator (6) adopts a high-strength insulator (6), and the insulator (6) is fixed with the three-phase bus bar (8) and the box body shell (1) through a bolt (10).
4. The modular assembled low-voltage distribution box according to claim 1, characterized in that: the branch circuit breaker sockets (11) are respectively connected with a three-phase incoming line power supply of the branch bus bar (9), the back parts of the incoming line power circuit breaker (4) and the branch circuit breaker (7) are provided with limiting bolts (12), and the limiting bolts (12) are inserted into the corresponding circuit breaker sockets respectively.
5. The modular assembled low-voltage distribution box according to claim 4, characterized in that: the limiting bolt (12) is provided with three metal conducting blocks (13), the metal conducting blocks (13) are connected with a three-phase wire outlet end of the breaker, and when the branch breaker (7) is inserted into the branch breaker socket (11), the metal conducting blocks (13) are in contact with a branch bus bar (9) in the branch breaker socket (11) and are communicated with a wire inlet power supply.
6. The modular assembled low-voltage distribution box according to claim 1, characterized in that: the user can determine the installation position and the number of the branch circuit breakers (7) according to the actual situation on site.
7. The modular assembled low-voltage distribution box according to claim 1, characterized in that: the power bus bar (5) and the branch bus bar (9) are externally sleeved with a red, green and yellow silica gel insulating sheath according to the phase sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120377268.2U CN214506212U (en) | 2021-02-19 | 2021-02-19 | Modular assembly type low-voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120377268.2U CN214506212U (en) | 2021-02-19 | 2021-02-19 | Modular assembly type low-voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214506212U true CN214506212U (en) | 2021-10-26 |
Family
ID=78220328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120377268.2U Expired - Fee Related CN214506212U (en) | 2021-02-19 | 2021-02-19 | Modular assembly type low-voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214506212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117317681A (en) * | 2023-11-23 | 2023-12-29 | 中规院城市更新(山东)有限公司 | Outdoor building wall-mounted comprehensive rainproof waterproof wiring connection device |
| WO2025236469A1 (en) * | 2024-05-17 | 2025-11-20 | 四川汉舟电气股份有限公司 | Plug-and-play bus system and method for outgoing circuit breaker |
-
2021
- 2021-02-19 CN CN202120377268.2U patent/CN214506212U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117317681A (en) * | 2023-11-23 | 2023-12-29 | 中规院城市更新(山东)有限公司 | Outdoor building wall-mounted comprehensive rainproof waterproof wiring connection device |
| CN117317681B (en) * | 2023-11-23 | 2024-02-20 | 中规院城市更新(山东)有限公司 | Outdoor building wall-mounted comprehensive rainproof waterproof wiring connection device |
| WO2025236469A1 (en) * | 2024-05-17 | 2025-11-20 | 四川汉舟电气股份有限公司 | Plug-and-play bus system and method for outgoing circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |