CN212695511U

CN212695511U - Electrical cabinet

Info

Publication number: CN212695511U
Application number: CN202021758348.4U
Authority: CN
Inventors: 顾驰能
Original assignee: Jiashan Haohang Electric Co ltd
Current assignee: Jiashan Haohang Electric Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-12
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to an electrical cabinet, comprising a base plate, one side of bottom plate is fixed with the back plate that is vertical setting, the upper end of back plate is fixed with the roof, the both ends of back plate are all rotated and are connected with the curb plate, be fixed with first engaging lug on the one end lateral wall that the back plate was kept away from to the curb plate, the below of first engaging lug is provided with the second engaging lug, the second engaging lug is fixed on the lateral wall of bottom plate, the connecting pipe is vertically worn to be equipped with in the ear hole of first engaging lug and second engaging lug, the lower extreme of connecting pipe is located the below of second engaging lug, be provided with on the connecting pipe and be used for restricting the connecting pipe vertical gliding locating part in the ear hole of first engaging lug, be provided with the closure that is used for protecting electrical components on the curb plate. This application has the visual field scope that has increased the maintainer, the effect that the maintainer of being convenient for overhauld.

Description

Electrical cabinet

Technical Field

The application relates to the field of power equipment, in particular to an electrical cabinet.

Background

The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

When components and parts in the switch board damaged and need the maintenance, maintenance personal can only open the cabinet door, inspects the maintenance to components and parts in the switch board, because when the inside condition inspection to the switch board, field of vision is limited, and maintenance personal can not be very comprehensive inspects the components and parts of damage, leads to easily judging inaccurately, and the in-process of maintenance is made mistakes easily.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the maintenance workman to maintain, increase field of vision scope to the inside components and parts of block terminal, this application provides an regulator cubicle.

The application provides a regulator cubicle adopts following technical scheme:

the utility model provides an electrical cabinet, includes the bottom plate, one side of bottom plate is fixed with the back plate that is vertical setting, the upper end of back plate is fixed with the roof, the both ends of back plate are all rotated and are connected with the curb plate, be fixed with first engaging lug on the one end lateral wall that the back plate was kept away from to the curb plate, the below of first engaging lug is provided with the second engaging lug, the second engaging lug is fixed on the lateral wall of bottom plate, the connecting pipe is vertically worn to be equipped with in the ear hole of first engaging lug and second engaging lug, the lower extreme of connecting pipe is located the below of second engaging lug, be provided with on the connecting pipe and be used for restricting the connecting pipe at the vertical gliding locating part in the ear hole of first engaging lug, be provided with the closure that is used for protecting electrical components on the curb plate.

Through adopting above-mentioned technical scheme, under the initial condition, the connecting pipe is inserted and is established on first engaging lug and second engaging lug, through the locating part, make the connecting pipe be difficult to vertically slide from top to bottom, thereby make the curb plate be difficult to rotate on the back plate, when needs overhaul, pass through the closure in advance, make one side of regulator cubicle opened, then extract the connecting pipe from the ear downthehole of first engaging lug and second engaging lug, thereby make the curb plate at back plate both ends rotate ninety degrees, make curb plate and back plate be parallel state, electronic components installed on the back plate exposes completely in the external world, the field of vision scope of maintainer has been increased, the maintainer of being convenient for overhauls more overhauls.

Preferably, the limiting member comprises a first rod vertically sliding on the connecting pipe, a plurality of first balls arranged at the upper end of the first rod, and a plurality of second balls arranged at the lower end of the first rod, the upper end of the first rod is positioned above the first connecting lug, the lower end of the first rod is positioned below the second connecting lug, a plurality of first grooves are uniformly arranged on the inner wall of the upper end of the connecting pipe at intervals along the circumferential direction of the connecting pipe, the first grooves are communicated with the outer wall of the connecting pipe, the first balls are slidably embedded in the inner cavity of the first grooves, the first balls are abutted against the upper surface of the first connecting lug, a plurality of second grooves are uniformly arranged on the inner wall of the lower end of the connecting pipe at intervals along the circumferential direction of the connecting pipe, the second grooves are communicated with the outer wall of the connecting pipe, the second balls are slidably embedded in the inner cavity of the second grooves, and the second balls are abutted against the lower surface of the second connecting lug, and the upper end of the connecting pipe is provided with a driving piece which is used for simultaneously abutting the first ball and the second ball towards the outer side of the connecting pipe.

Through adopting above-mentioned technical scheme, under the initial condition, first butt pipe is to first ball, make first ball butt on the upper surface of first engaging lug, second butt pipe butt second ball, make second ball butt on the lower surface of second engaging lug, the connecting pipe is difficult to extract from the ear hole of first engaging lug this moment, the curb plate is difficult to take place to rotate, when needs rotate the curb plate, through the driving piece, make first butt pipe break away from between the first ball of a plurality of, second butt pipe breaks away from between the second ball of a plurality of, thereby extract whole connecting pipe from the ear hole of first engaging lug and second engaging lug, the curb plate alright rotated, thereby the maintainer of being convenient for more overhauls.

Preferably, the driving member comprises a mounting tube fixed at the upper end of the connecting tube, a second rod coaxially fixed at the upper end of the first rod, an annular plate coaxially fixed on the second rod, a spring coaxially sleeved on the second rod, a first abutting tube coaxially fixed on the outer wall of the upper end of the first rod, and a second abutting tube coaxially fixed on the outer wall of the lower end of the first rod, the inner cavity of the connecting pipe is communicated with the inner cavity of the mounting pipe, the second rod vertically slides in the inner cavity of the mounting pipe, the upper surface of the annular plate is abutted against the inner wall of the upper end of the mounting pipe, one end of the spring is abutted against the bottom surface of the annular plate, the other end of the spring is abutted against the upper end surface of the connecting pipe, the first abutting pipe is positioned among the plurality of first balls and abuts against the outer walls of the plurality of first balls, the second abutting pipe is located between the plurality of second balls and abuts against the outer walls of the plurality of second balls.

Through adopting above-mentioned technical scheme, when overhauing the electronic components of installation on the back plate, need rotate the curb plate, the vertical upper end of pressing the second pole this moment, the spring is compressed, the second pole vertically slides downwards together with first pole, make first butt pipe break away from between the first ball of a plurality of, the second butt pipe breaks away from between the second ball of a plurality of, thereby first ball rolls back to the interior intracavity of first recess, the second ball rolls back to the interior intracavity of second recess, the connecting pipe alright extract in order to follow the ear hole of first engaging lug and second engaging lug, the curb plate alright with rotate.

Preferably, the first guiding surface that is the downward sloping setting from inside to outside is offered to the upper end outward flange of first butt takeover, the second guiding surface that is the downward sloping setting from inside to outside is offered to the upper end outward flange of second butt takeover.

Through adopting above-mentioned technical scheme, through setting up first spigot surface, the first ball of the first butt pipe butt of being convenient for more, through setting up the second spigot surface, the second butt pipe butt second ball of being convenient for more to when connecting the pipe joint on first engaging lug and second engaging lug, the maintenance of being convenient for personnel's installation more.

Preferably, the upper end of the second rod is located above the installation pipe, and a rubber cap is sleeved on the upper end of the second rod.

Through adopting above-mentioned technical scheme, the rubber cap is because its compliance for maintainer's palm is difficult to with second pole direct contact, thereby presses the in-process of second pole at the maintainer, and maintainer's palm is difficult to be lacerated, and the maintainer of being convenient for more presses the second pole.

Preferably, the closing member includes sliders sliding on the upper end and the lower end of the side plate, and a door plate rotating between the two sliders, the side plate is provided with a sliding groove far away from one side of the rear plate, the sliders slide on the inner wall of one end of the sliding groove, the door plate is located between the two sliders, the door plate is embedded in an inner cavity of the sliding groove, an avoiding hole is formed in the inner wall of one end of the side plate far away from the rear plate, the avoiding hole is communicated with the inner cavity of the sliding groove, and the avoiding hole is communicated with one end face of the side plate far away from the rear plate.

Through adopting above-mentioned technical scheme, when needs wrap up the electronic components on the back plate in the regulator cubicle, take the door plant out the spout outside this moment, rotate ninety degrees with the door plant simultaneously for laminate between two door plants, then pin two door plants through the lock, thereby external personnel have been difficult to the electronic components of installation on the back plate and have been destroyed.

Preferably, a plurality of heat dissipation holes are formed in the outer wall of the side plate at even intervals along the vertical direction, and the heat dissipation holes are communicated with the inner wall of the side plate.

Through adopting above-mentioned technical scheme, the heat that electronic components gived off in the course of the work carries out the heat exchange through louvre and external cold air to realize the cooling of electronic components itself, improved electronic components's performance.

Preferably, the top of louvre is provided with the dust board, the dust board is fixed on the outer wall of curb plate, the dust board orientation deviates from the direction of curb plate and is the downward sloping setting.

Through adopting above-mentioned technical scheme, under the effect of dust board for external dust is difficult to enter into the inner chamber of regulator cubicle, has ensured electronic components's normal operating.

The application comprises at least one of the following beneficial technical effects:

1. in the process of maintenance, the side plates are rotated, so that the electronic components mounted on the rear plate are completely exposed outside, the visual field range of a maintenance worker is enlarged, and the maintenance is more convenient for the maintenance worker;

2. due to the flexibility of the rubber cap, the palm of the maintainer is difficult to directly contact with the second rod, so that the palm of the maintainer is difficult to cut in the process of pressing the second rod by the maintainer, and the maintainer can press the second rod more conveniently;

3. the heat dissipation holes are arranged, so that the electronic components mounted on the rear plate can dissipate heat conveniently; through setting up the dust board, under the effect of dust board for external dust is difficult to enter into the inner chamber of regulator cubicle, has ensured electronic components's normal operating.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the limiting element and the driving element in the embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the closure in the embodiment of the present application.

Description of reference numerals: 1. a base plate; 2. a back plate; 3. a top plate; 4. a side plate; 5. a first connecting lug; 6. a second engaging lug; 7. a connecting pipe; 8. a limiting member; 9. a closure; 10. a first lever; 11. a first ball bearing; 12. a second ball bearing; 13. a first groove; 14. a second groove; 15. a drive member; 16. installing a pipe; 17. a second lever; 18. an annular plate; 19. a spring; 20. a first butting pipe; 21. a second butting pipe; 22. a first guide surface; 23. a second guide surface; 24. a rubber cap; 25. a slider; 26. a door panel; 27. a chute; 28. avoiding holes; 29. heat dissipation holes; 30. a dust guard.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses regulator cubicle.

Referring to fig. 1, an electrical cabinet, including bottom plate 1, one side of bottom plate 1 is fixed with back plate 2, the up end of back plate 2 is fixed with roof 3, the both ends of back plate 2 are all rotated and are connected with curb plate 4, electronic components installs on the inner wall of back plate 2, a plurality of louvre 29 has evenly been seted up along vertical direction interval to the outer wall of curb plate 4, louvre 29 communicates the inner wall of curb plate 4, the electronic components of dress on back plate 2 inner wall, the heat that gives off carries out the heat exchange with external cold air in the course of the work, thereby reach radiating purpose, the top of louvre 29 is provided with dust board 30, dust board 30 is the downward sloping setting towards the direction that deviates from curb plate 4, dust board 30 is fixed on the outer wall of curb plate 4, thereby external dust is difficult to get into the inner chamber of regulator cubicle, electronic components's normal.

Referring to fig. 1, curb plate 4 is fixed with first engaging lug 5 on keeping away from the one end outer wall of back plate 2, the below of first engaging lug 5 is provided with second engaging lug 6, second engaging lug 6 is fixed on the lateral wall of bottom plate 1, the upper surface laminating of second engaging lug 6 is on the bottom surface of first engaging lug 5, the earhole of first engaging lug 5 and the coaxial setting of earhole of second engaging lug 6, vertically wear to be equipped with connecting pipe 7 in the earhole of first engaging lug 5, the upper end of connecting pipe 7 is located the top of first engaging lug 5, the lower extreme of connecting pipe 7 is located the below of second engaging lug 6.

Referring to fig. 1 and 2, a limiting member 8 for limiting the connecting pipe 7 to vertically slide in the ear holes of the first connecting ear 5 and the second connecting ear 6 is disposed on the connecting pipe 7, the limiting member 8 includes a first rod 10, a first ball 11 and a second ball 12, the first rod 10 is coaxially disposed in the inner cavity of the connecting pipe 7, the first rod 10 vertically slides in the inner cavity of the connecting pipe 7, a plurality of first grooves 13 are uniformly disposed at intervals on the inner wall of the upper end of the connecting pipe 7, the plurality of first grooves 13 are circularly distributed on the outer wall of the connecting pipe 7, the first grooves 13 are disposed above the first connecting ear 5, the first grooves 13 communicate with the outer wall of the connecting pipe 7, the first ball 11 is slidably embedded in the inner cavity of the first grooves 13, the portion of the first ball 11 exposed outside the first grooves 13 abuts against the upper surface of the first connecting ear 5, a plurality of second grooves 14 are uniformly disposed at intervals on the inner wall of the lower end of the connecting pipe 7, the second groove 14 is communicated with the outer wall of the connecting pipe 7, the plurality of second grooves 14 are circularly distributed on the connecting pipe 7, the second ball 12 is embedded in the inner cavity of the second groove 14 in a sliding mode, the part, protruding out of the connecting pipe 7, of the second ball 12 abuts against the lower surface of the second connecting lug 6, and the first connecting lug 5 and the second connecting lug 6 are clamped between the plurality of first balls 11 and the second ball 12.

Referring to fig. 2, a driving member 15 for abutting a first ball 11 and a second ball 12 towards the outside of the connecting pipe 7 is disposed at the upper end of the connecting pipe 7, the driving member 15 includes a mounting pipe 16, a second rod 17, an annular plate 18, a spring 19, a first abutting pipe 20 and a second abutting pipe 21, the mounting pipe 16 is coaxially fixed at the upper end of the connecting pipe 7, an inner cavity of the mounting pipe 16 is communicated with an inner cavity of the connecting pipe 7, the second rod 17 is vertically disposed, the second rod 17 is coaxially fixed at the upper end of the first rod 10, the second rod 17 slides in the inner cavity of the mounting pipe 16, the annular plate 18 is coaxially fixed on the outer wall of the upper end of the second rod 17, the annular plate 18 is located in the inner cavity of the mounting pipe 16, the upper surface of the annular plate 18 abuts against the inner wall of the upper end of the mounting pipe 16, the spring 19 is coaxially sleeved on the outer wall of the second rod 17, one end of the spring 19 abuts against the bottom surface of the, the first abutting pipe 20 and the second abutting pipe 21 are coaxially fixed on the outer wall of the first rod 10, the first abutting pipe 20 is located between the first balls 11, the outer wall of the first abutting pipe 20 abuts against the outer wall of the first balls 11, the second abutting pipe 21 is located between the second balls 12, and the outer wall of the second abutting pipe 21 abuts against the outer wall of the second balls 12.

Referring to fig. 2, the upper end of second pole 17 stretches out the top of installation pipe 16, and the upper pot head of second pole 17 is equipped with rubber cap 24, and rubber cap 24 is because its compliance for maintainer's palm is difficult to with second pole 17 direct contact, thereby presses second pole 17 at the in-process that maintainer pressed second pole 17, and the maintainer of being convenient for more presses second pole 17.

Referring to fig. 1 and 2, in an initial state, the first abutting tube 20 abuts against the first ball 11, so that the first ball 11 abuts against the upper surface of the first connecting lug 5, the second abutting tube 21 abuts against the second ball 12, so that the second ball 12 abuts against the lower surface of the second connecting lug 6, at this time, the connecting tube 7 is difficult to be pulled out from the ear hole of the first connecting lug 5, the side plate 4 is difficult to rotate, when the electronic component mounted on the rear plate 2 is overhauled, the side plate 4 needs to be rotated, at this time, the rubber cap 24 is vertically pressed, the spring 19 is compressed, the second rod 17 vertically slides downwards together with the first rod 10, so that the first abutting tube 20 is separated from among a plurality of first balls 11, the second abutting tube 21 is separated from among a plurality of second balls 12, so that the first ball 11 rolls back into the inner cavity of the first groove 13, and the second ball 12 rolls back into the inner cavity of the second groove 14, the connecting tube 7 can be pulled out from the ear holes of the first connecting ear 5 and the second connecting ear 6, and the side plate 4 can be rotated.

Referring to fig. 1 and 2, the outer edge of the upper end of the first abutting pipe 20 is provided with a first guide surface 22 which is inclined downwards from inside to outside, the outer edge of the upper end of the second abutting pipe 21 is provided with a second guide surface 23 which is inclined downwards from inside to outside, when the maintenance is completed, the whole connecting pipe 7 is inserted into the ear holes of the first connecting ear 5 and the second connecting ear 6, the upper end of the second rod 17 is pressed in the inserting process, when the second groove 14 is positioned below the second connecting ear 6 and the first groove 13 is positioned above the first connecting ear 5, the second rod 17 is released at the moment, under the restoring force of the spring 19, the first rod 10 is made to slide vertically upwards, so that the first abutting pipe 20 and the second abutting pipe 21 slide vertically upwards together, the first guide surface 22 is more convenient for the first abutting pipe 20 to extrude the first ball 11 outwards, and the second guide surface 23 is more convenient for the second abutting pipe 21 to press the second ball 12 outwards, at the moment, the side plate 4 is difficult to rotate, the whole process is convenient to clamp and the operation is simple.

Referring to fig. 3, a closing member 9 for protecting electrical components is disposed on a side plate 4, the closing member 9 includes sliding blocks 25 and door panels 26, a sliding groove 27 is formed at one end of the side plate 4, which is far away from a rear plate 2, the two sliding blocks 25 both slide in the sliding groove 27, one of the sliding blocks 25 is located on an upper end inner wall of the sliding groove 27, the other sliding block 25 is located on a lower end inner wall of the sliding groove 27, the door panels 26 are rotatably connected between the two sliding blocks 25, a clearance hole 28 is formed on an end inner wall of the side plate 4, which is far away from the rear plate 2, the clearance hole 28 is communicated with an inner cavity of the sliding groove 27, the clearance hole 28 is communicated with a side wall of the side plate 4, which is far away from the rear plate 2, so that when electronic components on the rear plate 2 need to be wrapped in an electrical cabinet, the door panel 26 is taken, it is difficult for an outside person to destroy the electronic components mounted on the rear plate 2.

The implementation principle of an electrical cabinet in the embodiment of the application is as follows: when the electronic components mounted on the rear plate 2 are to be repaired, the lock of the door 26 is opened, then the door plate 26 is rotated to push the door plate 26 into the inner cavity of the slide groove 27, and then the rubber cap 24 is vertically pressed, the spring 19 is compressed, the second rod 17 slides vertically downward together with the first rod 10, so that the first butting pipe 20 is separated from among a plurality of first balls 11, the second butting pipe 21 is separated from among a plurality of second balls 12, so that the first ball 11 rolls back into the cavity of the first groove 13, the second ball 12 rolls back into the cavity of the second groove 14, the connecting tube 7 can be pulled out from the ear holes of the first connecting ear 5 and the second connecting ear 6, at this time, the side plate 4 can be rotated ninety degrees, make curb plate 4 and back plate 2 be the state of flushing, whole regulator cubicle has just been opened this moment, and field of vision scope is big, and maintainer alright overhauld the electronic components of installation on back plate 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An electrical cabinet comprising a base plate (1), characterized in that: a rear plate (2) which is vertically arranged is fixed on one side of the bottom plate (1), a top plate (3) is fixed at the upper end of the rear plate (2), both ends of the rear plate (2) are rotatably connected with side plates (4), the outer side wall of one end of each side plate (4) far away from the rear plate (2) is fixed with a first connecting lug (5), a second connecting lug (6) is arranged below the first connecting lug (5), the second connecting lug (6) is fixed on the side wall of the bottom plate (1), a connecting pipe (7) vertically penetrates through the ear holes of the first connecting lug (5) and the second connecting lug (6), the lower end of the connecting pipe (7) is positioned below the second connecting lug (6), the connecting pipe (7) is provided with a limiting piece (8) used for limiting the connecting pipe (7) to vertically slide in the ear hole of the first connecting ear (5), the side plate (4) is provided with a sealing piece (9) for protecting electrical elements.

2. An electrical cabinet according to claim 1, wherein: the limiting piece (8) comprises a first rod (10) vertically sliding on the connecting pipe (7), a plurality of first balls (11) arranged at the upper end of the first rod (10), and a plurality of second balls (12) arranged at the lower end of the first rod (10), the upper end of the first rod (10) is positioned above the first connecting lug (5), the lower end of the first rod (10) is positioned below the second connecting lug (6), a plurality of first grooves (13) are uniformly formed in the inner wall of the upper end of the connecting pipe (7) at intervals along the circumferential direction of the connecting pipe, the first grooves (13) are communicated with the outer wall of the connecting pipe (7), the first balls (11) are slidably embedded in the inner cavity of the first grooves (13), the first balls (11) are abutted against the upper surface of the first connecting lug (5), a plurality of second grooves (14) are uniformly formed in the inner wall of the lower end of the connecting pipe (7) at intervals along the circumferential direction of the connecting pipe, the outer wall of second recess (14) intercommunication connecting pipe (7), second ball (12) slip inlays and establishes in the inner chamber of second recess (14), second ball (12) butt is on the lower surface of second engaging lug (6), the upper end of connecting pipe (7) is provided with and is used for driving piece (15) with first ball (11) and second ball (12) towards the outside butt of connecting pipe (7) simultaneously.

3. An electrical cabinet according to claim 2, wherein: the driving piece (15) comprises a mounting pipe (16) fixed at the upper end of the connecting pipe (7), a second rod (17) coaxially fixed at the upper end of the first rod (10), an annular plate (18) coaxially fixed on the second rod (17), a spring (19) coaxially sleeved on the second rod (17), a first abutting pipe (20) coaxially fixed on the outer wall of the upper end of the first rod (10), and a second abutting pipe (21) coaxially fixed on the outer wall of the lower end of the first rod (10), wherein the inner cavity of the connecting pipe (7) is communicated with the inner cavity of the mounting pipe (16), the second rod (17) vertically slides in the inner cavity of the mounting pipe (16), the upper surface of the annular plate (18) abuts against the inner wall of the upper end of the mounting pipe (16), one end of the spring (19) abuts against the bottom surface of the annular plate (18), and the other end of the spring abuts against the upper end surface of the connecting pipe (7), the first abutting pipe (20) is located between the plurality of first balls (11), the first abutting pipe (20) abuts against the outer wall of the plurality of first balls (11), the second abutting pipe (21) is located between the plurality of second balls (12), and the second abutting pipe (21) abuts against the outer wall of the plurality of second balls (12).

4. An electrical cabinet according to claim 3, wherein: the first spigot surface (22) that is the downward sloping setting from inside to outside is offered to the upper end outward flange of first butt joint pipe (20), second spigot surface (23) that is the downward sloping setting from inside to outside is offered to the upper end outward flange of second butt joint pipe (21).

5. An electrical cabinet according to claim 3, wherein: the upper end of second pole (17) is located the top of installation pipe (16), the last pot head of second pole (17) is equipped with rubber cap (24).

6. An electrical cabinet according to claim 1, wherein: closure member (9) including slide slider (25), door plant (26) of rotating between two slider (25) on both ends about curb plate (4), rear panel (2) one side has been kept away from in curb plate (4) has seted up spout (27), slider (25) slide on the one end inner wall of spout (27), door plant (26) are located between two slider (25), door plant (26) are inlayed and are established in the inner chamber of spout (27), seted up on the one end inner wall of rear panel (2) is kept away from in curb plate (4) and kept away from hole (28), keep away the inner chamber of hole (28) intercommunication spout (27), keep away the one end terminal surface that rear panel (2) were kept away from in hole (28) intercommunication curb plate (4).

7. An electrical cabinet according to claim 1, wherein: a plurality of heat dissipation holes (29) are formed in the outer wall of the side plate (4) at even intervals along the vertical direction, and the heat dissipation holes (29) are communicated with the inner wall of the side plate (4).

8. An electrical cabinet according to claim 7, wherein: the dust blocking plate (30) is arranged above the heat dissipation holes (29), the dust blocking plate (30) is fixed on the outer wall of the side plate (4), and the dust blocking plate (30) is arranged in a downward inclined mode towards the direction deviating from the side plate (4).