CN218919776U - Box-type fixed alternating-current metal-enclosed switchgear - Google Patents
Box-type fixed alternating-current metal-enclosed switchgear Download PDFInfo
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- CN218919776U CN218919776U CN202223178607.8U CN202223178607U CN218919776U CN 218919776 U CN218919776 U CN 218919776U CN 202223178607 U CN202223178607 U CN 202223178607U CN 218919776 U CN218919776 U CN 218919776U
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- box
- fuse
- fuses
- enclosed switchgear
- overcurrent
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Abstract
The utility model discloses box-type fixed alternating current metal-enclosed switchgear which comprises a box body, a switching mechanism assembled at the top of the inside of the box body, fuses assembled below the switching mechanism, insulators fixedly installed with the box body and used for supporting the fuses, and overcurrent trippers fixedly installed at the inner side of the box body and arranged between the switching mechanism and the fuses, wherein the number of the overcurrent trippers is identical to that of the fuses and the fuses are respectively connected with the corresponding fuses; the device is provided with the overcurrent release between the switch mechanism and the fuses, the quantity of the overcurrent release is consistent with that of the fuses, and the corresponding fuses are connected respectively, so that the overcurrent release can be started in time to cut off current when the current is too high, the fuses are prevented from being fused due to too high load, and the safety and stability of the operation of the device are improved.
Description
Technical Field
The utility model relates to the technical field of switching equipment, in particular to box-type fixed alternating current metal-enclosed switching equipment.
Background
The AC metal-enclosed switchgear is an electrical device, the external line firstly enters the main control switch in the cabinet and then enters the sub-control switch, and each shunt is arranged according to the requirement of the main control switch, and is used for receiving and distributing electric energy for power plants, substations and industrial and mining enterprises, has the functions of controlling, protecting and detecting circuits, can be used for places with frequent operation, and is the power distribution switchgear with the largest current consumption and the widest related area.
The existing metal-enclosed switchgear generally has the defects that input current is overlarge due to improper operation, so that a fuse is always subjected to power transmission protection in a fusing mode, the fuse is easy to replace, but the fusing frequency is frequent, so that the power consumption is unstable, the safety and the stability of the operation of the equipment are improved, and certain hidden danger and deficiency are brought to the power consumption of safety production.
Disclosure of Invention
In view of this, the object of the present utility model is to provide a box-type stationary ac metal-enclosed switchgear that facilitates improved safety and stability of operation of the equipment.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a box fixed interchange metal-enclosed switchgear, includes the box, assembles the switch gear at the inside top of box, assembles the fuse of switch gear below, with box fixed mounting, be used for supporting the insulator of fuse, still including setting up between switch gear and fuse, fixed mounting at the inboard overcurrent release of box, the quantity of overcurrent release is unanimous with the quantity of fuse, and connects the fuse that corresponds respectively.
Preferably, a partition plate is arranged at the position where the switch mechanism is installed on the box body, and the interior of the box body is divided into a bus bar chamber and a wiring chamber for assembling the fuse, the insulator and the overcurrent release.
Preferably, the inner wall of the junction box of the box body is also provided with a mounting seat for fixedly mounting the overcurrent release.
Preferably, the switch mechanism adopts a negative pressure switch with the model of SF6, the upper end of the negative pressure switch is provided with a bus terminal, and the lower end of the negative pressure switch is provided with a fuse connector.
Further, a socket is arranged on one side of the fuse connector, which faces the overcurrent release.
Preferably, the lower end of the fuse is provided with an outlet end, the outlet end is fixedly installed with an insulator, and the insulator is used for supporting the fuse.
Preferably, the insulator is provided with a mounting profile, and the mounting profile is provided with a grounding metal plate.
Preferably, the type of the overcurrent release is 3WL9317.
The beneficial effects of the utility model are mainly as follows:
the device is provided with the overcurrent release between the switch mechanism and the fuses, the quantity of the overcurrent release is consistent with that of the fuses, and the corresponding fuses are connected respectively, so that the overcurrent release can be started in time to cut off current when the current is too high, the fuses are prevented from being fused due to too high load, and the safety and stability of the operation of the device are improved.
Drawings
FIG. 1 is a front view of a box-type stationary AC metal-enclosed switchgear of the present utility model;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a circuit diagram of a box-type stationary ac metal-enclosed switchgear of the present utility model.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The utility model provides a box fixed interchange metal-enclosed switchgear, shown in fig. 1-2, includes box 1, assembles the switch gear 2 at the inside top of box 1, assembles the fuse 3 of switch gear 2 below, with box 1 fixed mounting, be used for supporting the insulator 4 of fuse 3, still include the setting between switch gear 2 and fuse 3, fixed mounting is at the inboard overcurrent release 5 of box 1, the quantity of overcurrent release 5 is unanimous with the quantity of fuse 3, and connects corresponding fuse 3 respectively. The box 1 is provided with the baffle 11 at the position of installing the switch mechanism 2, and the interior of the box 1 is divided into a bus bar chamber 12 and a wiring chamber 13 for assembling the fuse 3, the insulator 4 and the overcurrent release 5, so that the bus bar chamber 12 is not communicated with the wiring chamber 13, an accessed cable is not contacted with an accessed cable, and the safety of a cable inlet end and a cable outlet end can be improved. The inner wall of the wiring chamber 13 of the box body 1 is also provided with a mounting seat 14 for fixedly mounting the overcurrent release 5. The switch mechanism 2 adopts a negative pressure switch 21 with the model of SF6, a bus terminal 22 is arranged at the upper end of the negative pressure switch 21, a fuse connector 23 is arranged at the lower end of the negative pressure switch 21, the bus terminal 22 is positioned in the bus chamber 12, the fuse connector 23 is positioned in the wiring chamber 13, a socket 231 is arranged at one side of the fuse connector 23 facing the overcurrent release 5, and the overcurrent release 5 is particularly convenient to insert and is connected with the negative pressure switch 21 and the fuse 3. The lower extreme of fuse 3 is provided with out line end 31, and goes out line end 31 and insulator 4 fixed mounting, utilizes insulator 4 to support fuse 3, improves the installation stability of fuse 3. The insulator 4 is provided with a mounting profile 41 fixed to the inner wall of the junction box 13 by rivets, and a grounding metal plate 42 is provided on the mounting profile 41.
In this embodiment, the type of the overcurrent release 5 is 3WL9317.
The beneficial effects of the utility model are mainly as follows: the device is provided with the overcurrent release between the switch mechanism and the fuses, the quantity of the overcurrent release is consistent with that of the fuses, and the corresponding fuses are connected respectively, so that the overcurrent release can be started in time to cut off current when the current is too high, the fuses are prevented from being fused due to too high load, and the safety and stability of the operation of the device are improved.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (8)
1. The utility model provides a box fixed interchange metal-enclosed switchgear, includes the box, assembles the switch gear at the inside top of box, assembles the fuse of switch gear below, with box fixed mounting, be used for supporting the insulator of fuse, its characterized in that: the fuse box is characterized by further comprising overcurrent releases which are arranged between the switch mechanism and the fuses and fixedly arranged on the inner side of the box body, wherein the number of the overcurrent releases is consistent with that of the fuses, and the overcurrent releases are respectively connected with the corresponding fuses.
2. A box-type stationary ac metal enclosed switchgear as claimed in claim 1, wherein: the box is provided with a baffle plate at the position of installing the switch mechanism, and the interior of the box is divided into a bus chamber and a wiring chamber for assembling a fuse, an insulator and an overcurrent release.
3. A box-type stationary ac metal enclosed switchgear as claimed in claim 1 or 2, wherein: the inner wall of the junction room of the box body is also provided with a mounting seat for fixedly mounting the overcurrent release.
4. A box-type stationary ac metal enclosed switchgear as claimed in claim 1, wherein: the switch mechanism adopts a negative pressure switch with the model of SF6, a bus terminal is arranged at the upper end of the negative pressure switch, and a fuse connector is arranged at the lower end of the negative pressure switch.
5. A box-type stationary ac metal enclosed switchgear as claimed in claim 4, wherein: and a socket is arranged on one side of the fuse connector, which faces the overcurrent release.
6. A box-type stationary ac metal enclosed switchgear as claimed in claim 1, wherein: the lower extreme of fuse is provided with the wire end, and wire end and insulator fixed mounting utilize the insulator to support the fuse.
7. A box-type stationary ac metal enclosed switchgear as claimed in claim 1, wherein: the insulator is provided with a mounting section bar, and the mounting section bar is provided with a grounding metal plate.
8. A box-type stationary ac metal enclosed switchgear as claimed in claim 1, wherein: the type of the overcurrent release is 3WL9317.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178607.8U CN218919776U (en) | 2022-11-29 | 2022-11-29 | Box-type fixed alternating-current metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178607.8U CN218919776U (en) | 2022-11-29 | 2022-11-29 | Box-type fixed alternating-current metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218919776U true CN218919776U (en) | 2023-04-25 |
Family
ID=86008814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223178607.8U Active CN218919776U (en) | 2022-11-29 | 2022-11-29 | Box-type fixed alternating-current metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218919776U (en) |
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2022
- 2022-11-29 CN CN202223178607.8U patent/CN218919776U/en active Active
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