CN219247153U - Industrial three-phase distribution box - Google Patents
Industrial three-phase distribution box Download PDFInfo
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- CN219247153U CN219247153U CN202223337886.8U CN202223337886U CN219247153U CN 219247153 U CN219247153 U CN 219247153U CN 202223337886 U CN202223337886 U CN 202223337886U CN 219247153 U CN219247153 U CN 219247153U
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- bus bar
- industrial
- box body
- cover plate
- mounting seat
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Abstract
The application discloses industrial three-phase block terminal includes: the box body, and the busbar, the isolating switch, the circuit breaker and the surge protector which are arranged in the box body; the lower ends of the buses are connected with isolating switches, the circuit breakers are arranged into a plurality of groups and are connected with the two sides of the buses, and the circuit breakers can be MCB and RCBO; the surge protector is arranged on one side of the isolating switch and is connected with one group of circuit breakers, and the connected circuit breakers are used as backup protection of the surge protector; the inside of the box body is also provided with wire holders which are distributed on two sides of the box body and are respectively used for connecting a zero wire and a ground wire; the bus bar further comprises a first isolation cover plate, wherein the first isolation cover plate is arranged at the upper end of the bus bar and covers the bus bar extending out of the upper end of the bus bar. The utility model provides a solve industrial equipment damage because of overload or surge in industrial electricity environment, simultaneously because the electric leakage circuit breaker can provide the electric leakage protection, solved the problem of industrial electricity safety hidden danger.
Description
Technical Field
The application relates to the technical field of distribution boxes, in particular to an industrial three-phase distribution box.
Background
The distribution box is formed by assembling switching equipment, protective electric appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement. The circuit can be switched on or off by means of a manual or automatic switch during normal operation. In case of failure or abnormal operation, the circuit is cut off or an alarm is given by means of a protective electric appliance.
In the current industrial electricity environment, industrial equipment is often damaged due to overload or surge, and good leakage protection cannot be achieved once leakage occurs.
Disclosure of Invention
The main aim of this application is to provide an industrial three-phase block terminal to solve in industrial power consumption environment industrial equipment often can damage because of overload or surge, once take place the problem that the electric leakage also can't play fine earth leakage protection.
To achieve the above object, the present application provides an industrial three-phase distribution box including: the box body, and the busbar, the isolating switch, the circuit breaker and the surge protector which are arranged in the box body; wherein, the liquid crystal display device comprises a liquid crystal display device,
the lower end of the busbar is connected with the isolating switch, the circuit breakers are arranged into a plurality of groups and are connected with the two sides of the busbar,
the surge protector is arranged on one side of the isolating switch and is connected with a group of circuit breakers;
the box body is internally provided with wiring seats which are distributed on two sides of the box body and are respectively used for connecting a zero line and a ground line;
the novel high-voltage power supply further comprises a first isolation cover plate and a second isolation cover plate, wherein the first isolation cover plate is arranged at the upper end of the busbar and covers the busbar extending out of the upper end of the busbar, the second isolation cover plate covers the isolation switch and the surge protector, and a first operation window corresponding to the isolation switch and the surge protector is formed in the second isolation cover plate.
Further, the busbar comprises a mounting seat, a first mounting groove is formed in the mounting seat along the transverse direction of the mounting seat, and a second mounting groove is formed in the mounting seat along the longitudinal direction of the mounting seat;
the first mounting grooves are arranged in a plurality and distributed along the longitudinal direction of the mounting seat, and the second mounting grooves are arranged in a plurality and distributed along the transverse direction of the mounting seat;
an upper bus bar is arranged in the first mounting groove, and a lower bus bar is arranged in the second mounting groove;
the upper bus bar is connected with the lower bus bar through rivets, the upper bus bar is connected with the circuit breaker, and the lower bus bar is connected with the isolating switch.
Further, the upper end of the mounting seat is provided with an insulating cover plate, and the insulating cover plate is fastened and fixed with the edge of the mounting seat.
Further, the edges of the two sides of the mounting seat extend outwards, sliding grooves are formed in the two inner sides of the insulating cover plate, and the insulating cover plate is slidably clamped on the edges of the mounting seat through the sliding grooves.
Further, a connecting seat is arranged in the box body, and is positioned below the lower bus bar and perpendicular to the lower bus bar;
the connecting seat is provided with a first connecting sheet, and two sides of the first connecting sheet are connected with the wire holder;
the first connecting piece is connected with a second connecting piece, and the second connecting piece is connected with the isolating switch.
Further, a spacer plate is provided between the first connecting piece and the lower bus bar.
Further, the wiring seat comprises a base, a first wiring row and an upper seat, wherein the base is fixedly connected with the box body, and the upper seat is fixedly connected with the base and compresses the first wiring row on the base;
the first connecting piece is connected with the first wiring row.
Further, the box further comprises a second wiring row, and the second wiring row is arranged on the inner walls of the two sides of the box body.
Further, the circuit breaker further comprises a box cover, wherein the box cover is fixedly connected with the opening end of the box body in a detachable mode, and a second operation window corresponding to the operation handle of the isolating switch and the operation handle of the circuit breaker is formed in the box cover.
Further, the novel refrigerator further comprises a refrigerator door, wherein the refrigerator door is hinged with one side of the refrigerator body and connected with the other side of the refrigerator body through a lock catch.
In the embodiment of the application, the box body, the busbar, the disconnecting switch, the circuit breaker and the surge protector are arranged in the box body; the lower ends of the buses are connected with the isolating switches, the circuit breakers are arranged in a plurality of groups and connected with the two sides of the buses, and the surge protector is arranged on one side of the isolating switches and connected with one group of circuit breakers; still be provided with the wire holder in the box, the wire holder distributes in the both sides of box, still includes first isolation apron, first isolation apron is located the upper end of busbar and cover on the busbar that extends the busbar upper end, reached overload and surge protection by circuit breaker and surge protector to industrial equipment, provide earth leakage protection by the circuit breaker simultaneously to play the rear-mounted protection to surge protector by the circuit breaker that is connected with surge protector, thereby solved industrial equipment often can damage because of overload or surge in industrial electrical environment, in case take place the problem of electric leakage also unable fine earth leakage protection.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application. In the drawings:
FIG. 1 is a schematic diagram of an explosive structure according to an embodiment of the present application;
fig. 2 is a schematic view of an internal structure of the distribution box according to an embodiment of the present application;
fig. 3 is another internal structural schematic diagram of the distribution box according to an embodiment of the present application;
FIG. 4 is a schematic illustration of the isometric structure of FIG. 2;
the device comprises a box body 1, a bus bar 2, a bus bar 21, a bus bar 22, a mounting seat 23, an insulating cover plate 3, a second operation window 4, a box cover 5, a box door 6, a second wiring row 7, a first wiring row 8, a disconnecting switch 9, a surge protector 10, a circuit breaker 11, a disconnecting plate 12, a connecting seat 13, a first connecting sheet 14, a second connecting sheet 15, a first disconnecting cover plate 16 and a second disconnecting cover plate 17.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein.
In the present application, the terms "upper", "lower", "inner", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "configured," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
At present, the switch equipment in the distribution box is generally a disconnecting switch and a breaker, wherein the disconnecting switch has the functions of manual connection and disconnection, and the breaker has the function of automatic disconnection. And half of the protection electric appliances are surge protectors. Because in industrial application, the current required to be protected is large, and the surge protector in the distribution box is directly connected with the power supply access terminal, the surge protector is easy to damage when overload occurs for a long time.
To solve the above technical problems, as shown in fig. 1 to 3, an embodiment of the present application provides an industrial three-phase distribution box, including: the box body 1, and a busbar 2, a disconnecting switch 9, a circuit breaker 11 and a surge protector 10 which are arranged in the box body 1; wherein, the liquid crystal display device comprises a liquid crystal display device,
the lower end of the busbar 2 is connected with the isolating switch 9, the circuit breakers 11 are arranged into a plurality of groups and are connected with the two sides of the busbar 2,
the surge protector 10 is arranged on one side of the isolating switch 9 and is connected with one group of the plurality of groups of circuit breakers 11, and one group of the circuit breakers 11 comprises three circuit breakers 11;
a wire holder is also arranged in the box body 1, and the wire holders are distributed on two sides of the box body 1 and are respectively used for connecting a zero wire and a ground wire;
the device further comprises a first isolation cover plate 16 and a second isolation cover plate 17, wherein the first isolation cover plate 16 is arranged at the upper end of the busbar 2 and covers the busbar extending out of the upper end of the busbar 2, the second isolation cover plate 17 covers the isolation switch 9 and the surge protector 10, and a first operation window corresponding to the isolation switch 9 and the surge protector 10 is formed in the second isolation cover plate 17.
In the present embodiment, the distribution box is mainly composed of a busbar 2, a disconnecting switch 9, a circuit breaker 11, and a surge protector 10. The interior of the distribution box is provided with a mounting cavity, and the back plate of the distribution box is used as a mounting base of each electric element in the mounting cavity. The busbar 2 is installed on the block terminal backplate, and isolator 9 is connected with the lower extreme of busbar 2, and isolator 9 can be 4P isolator 9, and isolator 9 plays the role of master switch in the block terminal in this embodiment. The circuit breakers 11 are installed at both sides of the busbar 2, which may be MCBs and RCBO, and the number of the circuit breakers 11 may be set to be several according to actual use requirements. Since the circuit breaker 11 is required to provide the post protection for the surge protector 10, at least three circuit breakers 11 are required to be installed on the bus bar 2 while being connected to one surge protector 10 through wiring. The circuit breaker connected to the surge protector 10 may be an MCB and the circuit breaker connected to the industrial equipment may be an RCBO.
A surge protector 10 may be installed at one side of the isolating switch 9. The surge protector 10 in this embodiment may be a 4P surge protector 10. The surge protector 10 is used for avoiding the influence of instantaneous high voltage and high current on loads and electric appliances, and the breaker 11 connected with the surge protector 10 is used for preventing the overload time of the surge protector 10 from being too long and protecting the surge protector 10.
The utility model discloses an overload and surge protection are carried out industrial equipment by circuit breaker and surge protector, provide earth leakage protection by the circuit breaker of RCBO type simultaneously to the postposition protection to the surge protector is played by the circuit breaker of being connected with the surge protector and then has been solved industrial equipment and can be damaged because of overload or surge often in industrial power consumption environment, in case take place the problem that the earth leakage also can't play fine earth leakage protection.
In order to protect the bus bars extending out of the upper ends of the bus bars and to protect the isolating switch and the surge protector, as shown in fig. 3, the distribution box further includes a first isolating cover plate 16 and a second isolating cover plate 17, where the first isolating cover plate 16 is disposed at the upper end of the bus bar 2 and covers the bus bars extending out of the upper ends of the bus bar 2. The connecting column can be arranged at the upper end of the distribution box, the first isolation cover plate 16 is arranged on the connecting column and is in threaded connection with the connecting column, and the first isolation cover plate 16 is arranged above the bus bars extending out of the upper end of the bus bar 2 in a covering manner, so that the protection effect on the bus bars can be achieved. And the second isolation cover plate 17 is arranged at the lower part of the distribution box and plays a role in protecting the isolation switch 9 and the surge protector 10. The first operating window on the second insulating cover 17 is used for the direct operation of the insulating switch 9 by the staff, avoiding contact with the electrical circuit of the distribution box during operation.
In order to facilitate the access of the power supply and the connection of each switch device, the busbar 2 in the embodiment comprises a mounting seat 23, wherein a first mounting groove is transversely formed in the mounting seat 23, and a second mounting groove is longitudinally formed in the mounting seat;
the first mounting grooves are arranged in a plurality and distributed along the longitudinal direction of the mounting seat 23, and the second mounting grooves are arranged in a plurality and distributed along the transverse direction of the mounting seat 23; the first mounting groove is located the second mounting groove top, and the direction of seting up of first mounting groove is perpendicular with the direction of seting up of second mounting groove.
An upper bus bar 22 is arranged in the first mounting groove, and a lower bus bar 21 is arranged in the second mounting groove; the upper bus bar 22 and the lower bus bar 21 are connected in such a manner that three-phase electrical access is installed, specifically, the upper bus bar 22 and the lower bus bar 21 are connected by rivets, the upper bus bar 22 is connected to the circuit breaker 11, and the lower bus bar 21 is connected to the isolating switch 9.
Specifically, the upper bus bars 22 are L1, L2, and L3, respectively, the uppermost upper bus bar 22 is connected to L1, the next upper bus bar 22 is connected to L2, and the next upper bus bar 22 is connected to L3. The subsequent upper bus bars 22 are connected in sequence in the above-described connection manner.
Because the circuit breaker 11 is directly connected with the busbar 2, in order to avoid being influenced by current and voltage on the busbar 2 when the circuit breaker 11 is manually operated, an insulating cover plate 3 is arranged at the upper end of the mounting seat 23 in the embodiment, the insulating cover plate 3 is fastened and fixed with the edge of the mounting seat 23, and the insulating cover plate 3 plays a role in protection.
For the installation and the dismantlement of insulating apron 3 of being convenient for, the both sides edge of mount pad 23 outwards extends, and the spout has been seted up to two inboard of insulating apron 3, and insulating apron 3 passes through the edge that the spout slip card was located mount pad 23.
In order to facilitate the wiring of the wiring seat, the present embodiment is provided with a connecting seat 13 in the box 1, the connecting seat 13 is located below the lower bus bar 21 and is perpendicular to the lower bus bar 21; the connecting seat 13 is provided with a first connecting sheet 14, and two sides of the first connecting sheet 14 are connected with the wire holder; the first connecting piece 14 is connected with a second connecting piece 15, and the second connecting piece 15 is connected with the isolating switch 9. The wiring seats on two sides of the distribution box are conducted through the arrangement of the first connecting sheet 14 and the second connecting sheet 15.
Since the first connecting piece 14 passes below the lower bus bar 21, in order to avoid the occurrence of a short circuit, a separator 12 is provided between the first connecting piece 14 and the lower bus bar 21 in the present embodiment.
Further, the wiring seat comprises a base, a first wiring row 8 and an upper seat, wherein the base is fixedly connected with the box body 1, and the upper seat is fixedly connected with the base and compresses the first wiring row 8 on the base; the first connecting piece 14 is connected to the first line bank 8. Further, the distribution box further comprises a second wiring row 7, and the second wiring row 7 is arranged on the inner walls of the two sides of the box body 1.
In order to facilitate the use and protection of the distribution box, the distribution box further comprises a box cover 5, wherein the box cover 5 is detachably and fixedly connected with the opening end of the box body 1, and the box cover 5 is provided with a second operation window 4 corresponding to an operation handle of the isolating switch 9 and an operation handle of the circuit breaker 11; further, the novel refrigerator further comprises a refrigerator door 6, wherein the refrigerator door 6 is hinged with one side of the refrigerator body 1 and is connected with the other side of the refrigerator body 1 through a lock catch.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modifications, equivalent substitutions, improvements, or the like, which are within the spirit and principles of the present application, are intended to be included within the scope of the present application.
Claims (10)
1. An industrial three-phase distribution box, comprising: the box body, and the busbar, the isolating switch, the circuit breaker and the surge protector which are arranged in the box body; wherein, the liquid crystal display device comprises a liquid crystal display device,
the lower end of the busbar is connected with the isolating switch, the circuit breakers are arranged into a plurality of groups and are connected with the two sides of the busbar,
the surge protector is arranged on one side of the isolating switch and is connected with one group of circuit breakers;
a wire holder is also arranged in the box body, the wire holders are distributed on two sides of the box body and are respectively used for connecting a zero wire and a ground wire;
the novel high-voltage power supply further comprises a first isolation cover plate and a second isolation cover plate, wherein the first isolation cover plate is arranged at the upper end of the busbar and covers the busbar extending out of the upper end of the busbar, the second isolation cover plate covers the isolation switch and the surge protector, and a first operation window corresponding to the isolation switch and the surge protector is formed in the second isolation cover plate.
2. The industrial three-phase distribution box according to claim 1, characterized in that: the busbar comprises a mounting seat, a first mounting groove is formed in the mounting seat along the transverse direction of the mounting seat, and a second mounting groove is formed in the mounting seat along the longitudinal direction of the mounting seat;
the first mounting grooves are arranged in a plurality and distributed along the longitudinal direction of the mounting seat, and the second mounting grooves are arranged in a plurality and distributed along the transverse direction of the mounting seat;
an upper bus bar is arranged in the first mounting groove, and a lower bus bar is arranged in the second mounting groove;
the upper bus bar is connected with the lower bus bar through rivets, the upper bus bar is connected with the circuit breaker, and the lower bus bar is connected with the isolating switch.
3. The industrial three-phase distribution box according to claim 2, characterized in that: the upper end of the mounting seat is provided with an insulating cover plate, and the insulating cover plate is fastened and fixed with the edge of the mounting seat.
4. A three-phase industrial distribution box according to claim 3, characterized in that: the two side edges of the mounting seat extend outwards, sliding grooves are formed in the two inner sides of the insulating cover plate, and the insulating cover plate is clamped at the edge of the mounting seat through the sliding grooves in a sliding mode.
5. The industrial three-phase distribution box of claim 4, the method is characterized in that: a connecting seat is arranged in the box body, and is positioned below the lower bus bar and perpendicular to the lower bus bar;
the connecting seat is provided with a first connecting sheet, and two sides of the first connecting sheet are connected with the wire holder;
the first connecting piece is connected with a second connecting piece, and the second connecting piece is connected with the isolating switch.
6. The industrial three-phase distribution box according to claim 5, wherein: a spacer plate is provided between the first connecting piece and the lower bus bar.
7. The industrial three-phase distribution box according to claim 6, wherein: the wire holder comprises a base, a first wire row and an upper seat, wherein the base is fixedly connected with the box body, and the upper seat is fixedly connected with the base and compresses the first wire row on the base;
the first connecting piece is connected with the first wiring row.
8. The industrial three-phase distribution box according to claim 7, wherein: the box further comprises a second wiring row, and the second wiring row is arranged on the inner walls of the two sides of the box body.
9. The industrial three-phase distribution box according to any one of claims 1 to 8, characterized in that: the circuit breaker is characterized by further comprising a box cover, wherein the box cover is fixedly connected with the opening end of the box body in a detachable mode, and a second operation window corresponding to the operation handle of the isolating switch and the operation handle of the circuit breaker is formed in the box cover.
10. The industrial three-phase distribution box according to claim 9, characterized in that: the novel box comprises a box body, and is characterized by further comprising a box door, wherein the box door is hinged with one side of the box body and is connected with the other side of the box body through a lock catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223337886.8U CN219247153U (en) | 2022-12-12 | 2022-12-12 | Industrial three-phase distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223337886.8U CN219247153U (en) | 2022-12-12 | 2022-12-12 | Industrial three-phase distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219247153U true CN219247153U (en) | 2023-06-23 |
Family
ID=86838585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223337886.8U Active CN219247153U (en) | 2022-12-12 | 2022-12-12 | Industrial three-phase distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219247153U (en) |
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2022
- 2022-12-12 CN CN202223337886.8U patent/CN219247153U/en active Active
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