CN219576216U - Assembled combined feed switch - Google Patents

Abstract

The utility model discloses a spliced combined feed switch, which comprises at least one assembling cabinet, wherein the assembling cabinet comprises an assembling box, a wiring box and a cover plate, the assembling box is used for installing a circuit breaker, and the wiring box is used for accommodating a cable; the wiring holes are formed in the two sides of the wiring box, and the cover plate is used for sealing the wiring holes to play a role in protection; during assembly, the wiring boxes of any two groups of adjacent assembly cabinets are connected, wiring holes of the connected wiring boxes are communicated, and cables can be connected with circuit breakers in different assembly cabinets through the wiring holes; the assembly cabinet with proper number can meet various use requirements; each assembly cabinet can independently operate, so that the adaptability of the equipment is improved, and the operation difficulty is reduced; especially when working under the old mine or the import and export of the substation is narrower, the small-sized assembled cabinet is easier to get in and out.

Description

Assembled combined feed switch

Technical Field

The utility model relates to the technical field of casting production lines, in particular to a spliced combined feed switch.

Background

The feed switch device used in the underground is a special mode, such as an integrated structure of 4 combinations, 6 combinations, 8 combinations and the like, which is set according to the requirements of customers. Because of the fixity of the integrated structure, under some coal mines, the equipment cannot enter the entrance and the exit of the substation due to the limitation of places or environments, and the equipment can be sent into the substation only by smashing or expanding the door.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide an assembled combined feed switch.

In order to achieve the above technical object, the present utility model provides an assembled combined feed switch, comprising at least one assembled cabinet, the assembled cabinet comprising: the assembly box is used for installing the circuit breaker; a junction box for housing a cable for facilitating connection of the cable to the circuit breaker; wherein, wiring holes are arranged on two sides of the junction box adjacent to the assembly box; when the two assembly cabinets are assembled, the junction boxes of the two assembly cabinets are connected, and the two junction boxes are communicated through the wiring holes; the spliced combination feed switch further comprises a cover plate, and the cover plate is used for sealing the wiring holes.

Further, a partition board is arranged between the assembly box and the junction box; and/or the side surface provided with the wiring hole in the junction box is a flange surface.

Further, two assembly cavities are arranged in the assembly box and are arranged side by side along the vertical direction, and any assembly cavity can be used for installing a group of circuit breakers.

Further, be equipped with the explosion vent on the assembly box, be equipped with on the explosion vent: a window through which an operator can observe the inside of the assembly box; and/or an operation panel, wherein an operator can control the opening and closing of the explosion door through the operation panel, or control the work of a breaker in the assembly box; and/or an emergency switch, an operator can control the explosion door under a preset condition through the emergency switch, or control a circuit breaker in the assembly box.

Further, the top of the assembly cabinet is provided with a lifting lug; and/or the bottom of the assembled cabinet is provided with a prying frame.

Further, the surface of the junction box, which is away from the assembly box, is provided with a working hole through which an operator can install a cable.

Further, the spliced modular feed switch further comprises a hinge door for closing the access opening.

Further, the cover plate is provided with an in-out quick-plug and/or secondary junction box.

Further, the spliced combined feed switch comprises at least two assembly cabinets, wherein one group of assembly cabinets is used as a control cabinet, and the other assembly cabinets are used as feed-out cabinets; the control cabinet is used for installing a power supply and/or a control unit; the feed-out cabinet is used for installing the circuit breaker.

Further, two assembly cavities are arranged in the control cabinet and are arranged side by side along the vertical direction; one of the assembly cavities is used for installing a lithium ion power supply and a control loop, and the other assembly cavity is used for installing a power monitoring unit and a current grounding line selection device.

The utility model provides a spliced combined feed switch, which comprises at least one assembly cabinet, wherein the assembly cabinet comprises an assembly box, a junction box and a cover plate, the assembly box is used for installing a circuit breaker, and the junction box is used for accommodating a cable; the wiring holes are formed in the two sides of the wiring box, and the cover plate is used for sealing the wiring holes to play a role in protection; during assembly, the wiring boxes of any two groups of adjacent assembly cabinets are connected, wiring holes of the connected wiring boxes are communicated, and cables can be connected with circuit breakers in different assembly cabinets through the wiring holes; the assembly cabinet with proper number can meet various use requirements; when the feed switch is transported, installed and the like, each assembly cabinet can independently operate, so that the adaptability of the equipment is improved, and the operation difficulty is reduced; especially when the old mine works or the transformer station has a narrow inlet and outlet, the small-sized assembly cabinet is easier to enter and exit; in actual operation, the number of the assembled cabinets can be reduced or increased, so that more various power supply requirements can be met; in addition, when the breaker or the cable in one of the assembly cabinets is faulty or damaged, only maintenance, replacement and other operations are needed for the specific assembly cabinet, normal operation of other assembly cabinets is not hindered, the later operation cost is reduced, and the operation safety of workers is facilitated.

Drawings

FIG. 1 is a schematic diagram of a modular feed switch of the present utility model;

FIG. 2 is a schematic diagram of another assembled feed switch according to the present utility model;

FIG. 3 is a side partial cross-sectional view of the modular feed switch of FIG. 2;

FIG. 4 is a schematic diagram of a further assembled modular feed switch according to the present utility model;

fig. 5 is a schematic structural diagram of a combination feed switch capable of being assembled according to the present utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

The utility model provides a spliced combined feed switch, which comprises at least one assembly cabinet 10, wherein the assembly cabinet 10 comprises: a mounting box 11 for mounting a circuit breaker; a junction box 12 for housing a cable for facilitating connection of the cable to the circuit breaker; wherein, wiring holes 12a are arranged on two sides of the junction box 12 adjacent to the assembly box 11; when the two assembled cabinets 10 are assembled, the junction boxes 12 of the two assembled cabinets 10 are connected, and the two junction boxes 12 are communicated through the wiring holes 12a.

Referring specifically to fig. 1, in the illustrated embodiment, the fitting box 11 and the junction box 12 are arranged side by side in a first direction. In the first direction, the surface of the fitting box 11 facing away from the junction box 12 is provided with an opening 11a, and a worker can install the circuit breaker into the fitting box 11 through the opening 11 a. Along a second direction which is horizontal and perpendicular to the first direction, wiring holes 12a are formed in both sides of the junction box 12.

Referring to fig. 4 or 5 in combination, when at least two assembled cabinets 10 are assembled together, the junction boxes 12 of any two adjacent assembled cabinets 10 are connected, the routing holes 12a of the connected junction boxes 12 are communicated, and the cables can be connected to the circuit breakers in the different assembled cabinets 10 through the routing holes 12a.

It is to be added that in the feed switch assembled by at least two assembly cabinets 10, the assembly boxes 11 are not communicated with each other, which is beneficial to safe use and convenient for later maintenance, replacement and other operations.

In order to ensure the use safety of the feed switch, the spliced combination feed switch provided by the utility model further comprises a cover plate 20, wherein the cover plate 20 is used for sealing the wiring hole 12a.

It is easy to understand that when only one set of the assembled cabinets 10 is used, both of the two routing holes 12a of the assembled cabinets 10 are exposed to the outside; referring to fig. 1 and fig. 2, a cover plate 20 is respectively covered on one of the routing holes 12a, so that the routing holes 12a can be shielded, thereby preventing the cables in the junction box 12 from being exposed, preventing the external people or objects from contacting the cables in the junction box 12, and reducing the potential safety hazard.

When at least two assembled cabinets 10 are assembled together, the routing holes 12a between two adjacent assembled cabinets 10 are hidden inside, and the routing holes 12a at two sides of the edge are exposed outwards; referring specifically to fig. 4 or 5, two cover plates 20, respectively covering the wiring holes 12a on one side, are still needed.

The assembled cabinet 10 provided by the utility model can be assembled, and the use requirement can be conveniently met by assembling a proper number of assembled cabinets 10. When the feed switch is transported, installed and the like, each assembly cabinet 10 can independently operate, so that the adaptability of the equipment is improved, and the operation difficulty is reduced; especially in the case of equipment transportation in relatively small mines, the small-sized assembled cabinet 10 is more easily accessed. In actual operation, the number of assembled cabinets 10 can be reduced or increased to meet more various power supply requirements. In addition, when the breaker or the cable in one of the assembly cabinets 10 is faulty or damaged, only maintenance, replacement and other operations are required for the specific assembly cabinet 10, and normal operation of other assembly cabinets 10 is not hindered, so that the later operation cost is reduced, and the operation safety of workers is facilitated.

Alternatively, the assembled cabinet 10 is a unitary structure. Two chambers are divided in the assembly cabinet 10, one of which serves as the assembly box 11 and the other of which serves as the junction box 12.

Alternatively, the assembled cabinet 10 is an assembled structure. The assembly box 11 and the junction box 12 are respectively molded and then are connected together in a welding, screwing, splicing and other modes to finally form the assembly cabinet 10.

The utility model is not limited to the specific configuration of the assembled cabinet 10.

Alternatively, the assembled cabinet 10 is assembled together by screwing.

For example, the side surface of the junction box 12 where the wiring hole 12a is provided is a flange surface. Screw holes are formed in the flange surface; during assembly, the junction boxes 12 of the two assembly cabinets 10 are attached to each other, screw holes on the flange faces of the junction boxes 12 correspond to each other one by one, and screws are screwed into the corresponding screw holes, so that the two assembly cabinets 10 can be locked.

Alternatively, the assembled cabinet 10 is assembled together by plugging.

For example, the wiring box 12 has a wiring hole 12a formed in one of two sides thereof, and a slot formed in the other side thereof, and a plug block formed in the other side thereof. During assembly, the junction boxes 12 of the two assembly cabinets 10 are attached, and the plug blocks on the side face of one junction box 12 are inserted into the jack on the side face of the other junction box 12, so that the plug blocks and the jack are matched with each other, and the two assembly cabinets 10 can be clamped.

The present utility model is not limited to the manner in which the cabinet 10 is assembled.

Optionally, a partition 11b is provided between the fitting box 11 and the junction box 12.

Referring specifically to fig. 3, in the illustrated embodiment, a partition 11b is provided between the fitting box 11 and the junction box 12 so that the fitting box 11 and the junction box 12 do not communicate. The partition 11b is provided with a connector capable of connecting the breaker and the cable.

Through setting up baffle 11b, can separate circuit breaker and cable, both make things convenient for the access and the regularity of cable, can avoid the cable winding circuit breaker again, be favorable to equipment safety and safe in utilization.

Alternatively, two assembly chambers are provided in the assembly box 11, the two assembly chambers being arranged side by side in the vertical direction, either of the assembly chambers being capable of mounting a set of circuit breakers.

Referring specifically to fig. 1, in the illustrated embodiment, two longitudinally disposed mounting cavities are provided in one mounting box 11, the two cavities not being in communication with each other. At this time, each of the fitting chambers can be used independently.

With continued reference to fig. 4, in the illustrated embodiment, four assembly cabinets 10 are assembled together, each assembly cabinet 10 including two assembly cavities, each assembly cavity having a set of circuit breakers mounted therein, thereby forming an 8-pack feed switch. In actual use, the 8-combination feed switch can be completely 8-out, can be 1-in and 7-out, and can be combined in any loop such as 2-in and 1-out bus connection and 5-out; alternatively, a circuit breaker is not installed in one or even a plurality of assembly cavities, thereby forming 4-combination, 6-combination feed switches and the like.

In other embodiments, three or more assembly chambers are provided in the assembly box 11, which can meet more various requirements.

It is to be added that each circuit breaker requires a connection cable, so that when two or even more assembly chambers are provided in the assembly box 11, it is necessary to ensure that the cable can be connected in the junction box 12 with the circuit breaker in any of the assembly chambers.

For this purpose, a junction box 12 can be provided which can cover the entire assembly space.

For example, at least two assembly chambers are provided in the assembly box 11, at least two wiring chambers are provided in the junction box 12, the wiring chambers are in one-to-one correspondence with the assembly chambers, and the cables are connected with the circuit breakers in the corresponding assembly chambers through the wiring chambers.

Optionally, no bulkhead is provided within junction box 12. At this time, the wiring cavity in the junction box 12 is a through integrated structure, and the cable can be connected with the circuit breaker in any assembly cavity after entering the junction box 12.

Optionally, at least two assembling cavities are arranged in the assembling box 11, and the at least two assembling cavities are arranged side by side along the vertical direction; at least two wiring holes 12a are arranged on two side surfaces of the junction box 12 adjacent to the assembly box 11, and the at least two wiring holes 12a on the same side surface are arranged side by side along the vertical direction. The cables connected with the circuit breakers in different assembly cavities can be routed through different routing holes 12a, so that the cable is orderly and the subsequent overhaul and other operations are convenient.

In a specific embodiment, referring to fig. 1, two assembly cavities are provided in the assembly box 11, two routing holes 12a are provided on either side of the junction box 12, and the positions of the routing holes 12a correspond to the assembly cavities, so that the cable routing is facilitated, and the structural strength of the junction box 12 can be ensured. When the side surface of the junction box 12 is a flange surface, a plurality of screw holes are arranged around any wiring hole 12a, which is also beneficial to the assembly of the assembled cabinet 10 and the stability after the assembly.

Alternatively, the surfaces of the assembled cabinet 10 are all explosion-proof surfaces. When the explosion-proof face is used under a mine, the explosion-proof face can prevent the external dangerous situations from damaging components in the assembly cabinet 10 and prevent the dangerous situations in the assembly cabinet 10 from spreading outwards.

Optionally, the assembly tank 11 is provided with an explosion vent 13.

Referring specifically to fig. 2, in the illustrated embodiment, one side of the explosion vent 13 is connected to the assembly box 11 through a hinge, and the opening or closing of the opening of the assembly box 11 can be achieved by rotating the explosion vent 13.

Optionally, the explosion vent 13 is provided with a window 13a, and an operator can observe the inside of the assembly box 11 through the window 13 a.

Wherein the window 13a may be provided with an explosion-proof glass. The operator can confirm whether the circuit breaker is installed in place through the window 13a, or observe the operation of the circuit breaker in the assembly box 11, or know whether a fault or danger occurs in the assembly box 11. Before opening the explosion vent 13, an operator can confirm whether the circuit breaker completely stops working through the window 13a, and after confirming safety, the operator opens the explosion vent 13 again.

Optionally, an operation panel 13b is provided on the explosion vent 13, and an operator can control the opening and closing of the explosion vent 13 through the operation panel 13b, or control the operation of a circuit breaker in the assembly box 11.

The operation panel 13b may be provided in the form of buttons or may be provided in the form of a touch panel.

Optionally, the operation panel 13b is provided with a "remote control-near control-remote control" option, and the operator can change or determine the control mode of the feed switch by confirming the option.

Optionally, the operation panel 13b is provided with options such as "close", "open", "leak test", and the like, and the operator can control the circuit breaker to work by confirming the options.

Alternatively, the operation panel 13b is provided with an "illumination" option, and the operator can control the operation of the illumination lamp in the fitting box 11 by confirming the option.

Optionally, the operation panel 13b is provided with options such as "handcart in", "handcart out", "scram", "upward moving", "downward moving", "resetting", and the like, and the operator can control the movement or resetting of the circuit breaker after opening the explosion vent 13 by confirming the options.

The present utility model is not limited to the specific configuration of the operation panel 13 b.

Optionally, the explosion door 13 is provided with an emergency switch 13c, and an operator can control the explosion door 13 under a preset condition through the emergency switch 13c or control a circuit breaker in the assembly box 11.

The emergency switch 13c can be used with a specific key or other work piece. For example, when the feed switch fails or the equipment fails, an operator can activate the emergency switch 13c by acting on the emergency switch 13c through a specific work piece, so that the explosion vent 13 is opened or the circuit breaker is stopped.

In the emergency, the operator still has a method to intervene in the feed switch, so that the feed switch is ensured to be in a controllable state, and major accidents are avoided.

Optionally, the top of the assembled cabinet 10 is provided with lifting lugs 14.

In the embodiment shown in fig. 1, the top of the assembly cabinet 10 is provided with two sets of lifting lugs 14, one of which lifting lugs 14 is located on the assembly box 11 and the other lifting lug 14 is located on the junction box 12.

The lifting lugs 14 are arranged, so that tools such as a crane and the like can conveniently lift the assembled cabinet 10, and the assembled cabinet 10 can be moved and transported conveniently.

Optionally, a pry bracket 15 is provided at the bottom of the assembled cabinet 10.

Referring to fig. 1, in the illustrated embodiment, the bottom of the assembled cabinet 10 is provided with four legs 16, and the four legs 16 are provided at four corners; the support leg 16 is L-shaped, and a screw hole is formed in the bottom surface of the support leg 16; the feet 16 can be nailed to the floor or mounting surface when the assembled cabinet 10 is mounted directly to the floor or mounting surface.

Referring in combination to fig. 2, in the illustrated embodiment, the feet 16 are secured to the pry bracket 15. Along the first direction, the two ends of the prying frame 15 tilt away from the ground, so that tools such as a forklift can conveniently extract the assembled cabinet 10.

Optionally, a working hole 12b is provided on the surface of the junction box 12 facing away from the fitting box 11, through which working hole 12b the operator can install the cable.

Referring specifically to fig. 1, in the illustrated embodiment, a wiring hole 12a is provided on a side of the junction box 12 close to the assembly box 11, and a working hole 12b is provided on a surface of the junction box 12 facing away from the assembly box 11. Referring to fig. 2 and 3 in combination, after the assembly of the assembled cabinet 10, the sides are connected to each other, making it inconvenient to access the cables. Therefore, the work hole 12b is provided on the back surface of the junction box 12, and after the feed switch is assembled, the operator can access the cable inwardly through the work hole 12b on the back surface.

With continued reference to fig. 1, two assembly chambers are provided in the assembly box 11 side by side in the vertical direction, and two work holes 12b are provided in the back surface of the junction box 12 side by side in the vertical direction. The assembly cavities are in one-to-one correspondence with the operation holes 12b, and cables can be connected to different assembly cavities from different operation holes 12b, so that the operation of workers and the regulation of cables are facilitated.

Optionally, the spliced modular feed switch provided by the present utility model further comprises a hinge door for closing the access opening 12b.

The hinge door can be arranged in a side turning mode, a top turning mode or a bottom turning mode. The hinge door is opened, and an operator can work in the junction box 12; closing the hinge door conceals and protects the components within junction box 12.

Optionally, the cover plate 20 is provided with a quick insert 21.

Optionally, a secondary junction box 22 is provided on the cover 20.

Referring specifically to fig. 4 or 5, in the illustrated embodiment, a plurality of assembled cabinets 10 are assembled together in a second direction to form a feed switch. Along the second direction, a set of cover plates 20 are respectively arranged on two sides of the feed switch. The cover plate 20 is used for covering the wiring hole 12a. Further, the upper part of one set of cover plates 20 is provided with an in-out quick plug 21, the lower part is provided with a secondary junction box 22, and the upper part and the lower part of the other set of cover plates 20 are respectively provided with a set of in-out quick plug 21.

Wherein, the access quick plug 21 can facilitate the access of external cables. Secondary junction box 22 may facilitate the regulated wiring or access to other desired cables.

The arrangement of the fast plug 21 and the secondary junction box 22, while the cover plate 20 seals the wiring hole 12a, improves the safety performance, further improves the applicability of the feed switch, so that the feed switch meets more various wiring requirements.

Optionally, the spliced combined feed switch provided by the utility model comprises at least two assembly cabinets 10, wherein one group of assembly cabinets 10 is used as a control cabinet 10A, and other assembly cabinets 10 are used as feed-out cabinets 10B; the control cabinet 10A is used for installing a power supply and/or a control unit; the feed-out cabinet 10B is used for mounting a circuit breaker.

Referring specifically to fig. 5, in the illustrated embodiment, the feed switch is assembled from six assembled cabinets 10. The first assembly cabinet 10 from the left is a control cabinet 10A, and the other five assembly cabinets 10 are feed-out cabinets 10B; any feeder cabinet 10B includes two assembly chambers, each of which can mount a set of circuit breakers; the feed switch is a 10-combination feed switch. When in actual use, the 10 combined feed switch can be completely 10 out, can also be 1 in and 9 out, and can also be combined in any loop such as 2 in and 1 bus connection and 7 out; alternatively, a circuit breaker is not installed in one or even more of the assembly chambers, thereby forming 6-combination, 8-combination feed switches, etc.

When a power supply is installed in the control cabinet 10A, the power supply can be used as a secondary control protection device, and when the system voltage is in power failure or faults occur, the power supply can supply power, so that the normal operation of communication equipment and secondary control protection equipment is ensured.

When the control unit is installed in the control cabinet 10A, the control unit can collect information data of secondary equipment such as a breaker, a power supply and the like, and plays roles in tripping, alarming and other protection when faults or dangerous situations occur.

Optionally, two assembly cavities are arranged in the control cabinet 10A, and the two assembly cavities are arranged side by side along the vertical direction; one of the assembly cavities is used for installing a lithium ion power supply and a control loop, and the other assembly cavity is used for installing a power monitoring unit and a current grounding line selection device.

The lithium ion power supply can provide power for the power monitoring unit, the current grounding line selection device and the like through the control loop, and has a 4-hour uninterrupted power supply function when the system voltage is in power failure or faults occur, so that the normal operation of communication equipment and secondary control protection equipment is ensured.

The power monitoring unit can collect information data of secondary equipment such as a circuit breaker, a lithium ion power supply, a current grounding line selection device and the like, can also control the circuit breaker to work, and has an override trip protection function and a five-remote function.

The current grounding line selection device adopts a centralized control mode, ensures the uniformity of protection criteria of the main switch and the branch switch, and can play a role in avoiding false jump and leakage jump.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A modular feed switch capable of being assembled, comprising at least one assembly cabinet (10), said assembly cabinet (10) comprising:

an assembly box (11) for mounting a circuit breaker;

a junction box (12) for housing a cable so that the cable connects the circuit breaker;

wherein, wiring holes (12 a) are arranged on two sides of the junction box (12) adjacent to the assembly box (11);

when the two assembly cabinets (10) are assembled, connecting the junction boxes (12) of the two assembly cabinets (10) and communicating the two junction boxes (12) through the wiring holes (12 a);

the spliced combination feed switch further comprises a cover plate (20), and the cover plate (20) is used for sealing the wiring hole (12 a).

2. The assembled modular feed switch of claim 1, wherein a spacer (11 b) is provided between the assembly box (11) and the junction box (12);

and/or the side surface of the junction box (12) provided with the wiring hole (12 a) is a flange surface.

3. The assembled combined feed switch according to claim 1, characterized in that two assembly cavities are provided in the assembly box (11), two assembly cavities being arranged side by side in the vertical direction, any one of the assembly cavities being capable of mounting a set of circuit breakers.

4. The assembled combined feed switch according to claim 1, wherein the assembling box (11) is provided with an explosion-proof door (13), and the explosion-proof door (13) is provided with:

a window (13 a) through which an operator can observe the inside of the assembly box (11);

and/or an operation panel (13 b), wherein an operator can control the opening and closing of the explosion-proof door (13) through the operation panel (13 b), or control the operation of a circuit breaker in the assembly box (11);

and/or an emergency switch (13 c), by means of which emergency switch (13 c) the operator can control the explosion door (13) in a preset condition, or a circuit breaker in the assembly box (11).

5. The assembled combined feed switch according to claim 1, characterized in that the top of the assembled cabinet (10) is provided with a lifting lug (14);

and/or the bottom of the assembled cabinet (10) is provided with a prying frame (15).

6. The modular feed switch of claim 1, wherein the junction box (12) has a service hole (12 b) on a surface facing away from the assembly box (11), through which service hole (12 b) an operator can install a cable.

7. The modular feed switch of claim 6, further comprising a hinge door for closing the service aperture (12 b).

8. The assembled combined feed switch according to claim 1, characterized in that the cover plate (20) is provided with a quick plug (21) and/or a secondary connection box (22).

9. The modular feed switch of any one of claims 1-8, comprising at least two of said assembly cabinets (10), wherein one group of said assembly cabinets (10) is used as a control cabinet (10A) and the other said assembly cabinets (10) are used as feed-out cabinets (10B);

the control cabinet (10A) is used for installing a power supply and/or a control unit;

the feed-out cabinet (10B) is used for installing a circuit breaker.

10. The spliced modular feed switch of claim 9, wherein two assembly chambers are provided in the control cabinet (10A), the two assembly chambers being arranged side by side in a vertical direction;

one of the assembly cavities is used for installing a lithium ion power supply and a control loop, and the other assembly cavity is used for installing a power monitoring unit and a current grounding line selection device.