CN219892688U - Electrical component assembly and outdoor electrical cabinet thereof - Google Patents

Abstract

The utility model relates to the technical field of thermoelectric engineering equipment, in particular to an electric component assembly and an outdoor electric cabinet thereof, which comprises an assembly component, the assembly device comprises a sliding rail, a sliding bar and a hoisting block, wherein the sliding bar is in sliding connection with the sliding rail, the hoisting block is in sliding connection with the sliding bar, and the bottom side wall of the hoisting block is clamped with an assembly plate; the utility model improves the utilization rate of environmental space resources in the cabinet body assembly by utilizing the assembly, can avoid wire winding phenomenon, is convenient for follow-up maintenance work of electric parts, and can improve the heat dissipation efficiency of the cabinet body assembly and avoid external humid gas from entering the interior of the cabinet body assembly.

Description

Electrical component assembly and outdoor electrical cabinet thereof

Technical Field

The utility model relates to the technical field of thermoelectric engineering equipment, in particular to an electric component assembly and an outdoor electric cabinet thereof.

Background

The thermoelectric engineering can simultaneously produce heat energy and electric energy, and is a cogeneration engineering taking the electric energy to realize heat supply as a main purpose, one of the most common electrical equipment in the thermoelectric engineering is an electrical cabinet, and the electrical cabinet is mainly divided into two types, namely an indoor electrical cabinet and an outdoor electrical cabinet, wherein the indoor electrical cabinet has a simple structure because of smaller indoor use limiting conditions, and the outdoor electrical cabinet has a relatively large outdoor use limiting condition, so that not only the dustproof and dampproof performance is considered, but also the assembly mode of electrical components is considered, and the electrical components are ensured not to be mutually influenced and interfered during working.

However, when the existing assembly component for electric components in thermoelectric engineering is used, a metal plate is assembled on the inner wall of an electric cabinet through bolts, and then electric components are assembled on the metal plate through bolts again, so that the purpose of installing the electric components is achieved;

the current outdoor regulator cubicle for among the thermoelectric engineering, it is when using, is influenced by the high temperature humid gas in the surrounding environment easily to permeate in it, cause inside electrical components life to gather to reduce, and when overhauling inside electrical components, need electrician to go deep into the cabinet body subassembly inside and overhaul the operation and have certain operation degree of difficulty and the problem of operation security.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In view of the above-mentioned current assembly of electrical components, when in use, the metal plate is assembled on the inner wall of the electrical cabinet through the bolts, and then the electrical components are assembled on the metal plate again through the bolts to achieve the purpose of installing the electrical components, but the wiring among the electrical components is difficult, the wires of the electrical components are easy to wind mutually, and the connection between the metal plate and the bolts can only be assembled on the rear side wall of the electrical cabinet, so that the problem of resource waste caused by lower utilization rate of the internal chamber of the electrical cabinet is solved.

It is therefore an object of the present utility model to provide an electrical component mounting assembly.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an electrical component assembly, includes the slide rail and with slide rail sliding connection's draw runner, and with draw runner sliding connection's hoist and mount piece, the bottom lateral wall and the assembly board joint of hoist and mount piece.

As a preferred embodiment of the electrical component assembly according to the utility model, wherein: the sliding rail is characterized in that a first sliding groove is formed in the sliding rail, a telescopic rod and an electric reciprocating screw are mounted in the first sliding groove, a first bevel gear is connected to the front end of the electric reciprocating screw in a threaded mode, a sliding bar is connected to the first sliding groove in a sliding mode, and the telescopic rod and the electric reciprocating screw are located at two ends of the sliding bar respectively.

As a preferred embodiment of the electrical component assembly according to the utility model, wherein: the inside of draw runner has been seted up the second spout, just be provided with the slider on the both ends lateral wall of draw runner, it is provided with to slide in the second spout the slider, two be provided with the elastic component between the draw runner.

As a preferred embodiment of the electrical component assembly according to the utility model, wherein: the elastic piece comprises a cylinder barrel, a buffer spring and a cylinder rod, wherein a round hole is formed in the cylinder barrel, the cylinder rod is inserted into the cylinder barrel, and the buffer spring is arranged between the round hole and the cylinder barrel.

As a preferred embodiment of the electrical component assembly according to the utility model, wherein: the lifting block is of a T-shaped structure, a screw hole is formed in the lifting block, a first threaded rod and a second threaded rod are connected in the screw hole in a threaded mode, and a second bevel gear is fixedly connected to the outer wall of the second threaded rod through a one-way bearing.

As a preferred embodiment of the electrical component assembly according to the utility model, wherein: the bottom lateral wall of hoist and mount piece is provided with the assembly board, the hoist and mount groove has been seted up to the upper lateral wall of assembly board, just the assembly groove has been seted up to the preceding lateral wall of assembly board, the wiring groove has been seted up on the lateral wall of assembly board, just install the elastic wire on the bottom lateral wall of assembly board.

As a preferred embodiment of the electrical component assembly according to the utility model, wherein: the four corners of the assembly groove are all in threaded connection with assembly bolts, a patch board is embedded in the patch groove, binding posts and patch boards are welded at two ends of the elastic electric wire respectively, and the elastic electric wire is electrically connected with the bottom side wall of the assembly board through the binding posts.

The utility model has the beneficial effects that: the electric reciprocating screw inside the sliding rail can drive the sliding bar to slide back and forth in the sliding rail, the position of the sliding bar can be regulated and controlled, and then the phenomenon that the assembly plates on the sliding bar are shielded mutually is avoided, meanwhile, the electric reciprocating screw can also drive the sliding bar and the assembly plates on the sliding bar to slide back and forth, so that maintenance work is convenient to carry out, and meanwhile, the assembly plates can be carried by the sliding rail and the sliding bar, so that the assembly plates can realize a hanging type structure for hoisting, the heat dissipation effect of electric components on the assembly plates is improved, the elastic wires at the bottom of the assembly plates can avoid winding wires, and the space resources of an electric cabinet are also greatly utilized.

In view of the problems that the existing outdoor electrical cabinet is easily affected by high-temperature and humid gas in the surrounding environment and permeates into the existing outdoor electrical cabinet when the existing outdoor electrical cabinet is used, the service life of the internal electrical components is shortened, and when the internal electrical components are overhauled, electricians are required to go deep into the cabinet body assembly to overhaul, and certain operation difficulty and operation safety exist, the outdoor electrical cabinet is proposed.

In order to solve the technical problems, the utility model also provides the following technical scheme: an outdoor electrical cabinet comprising, an electrical component assembly; and the assembly component is arranged inside the cabinet component, the shell of the sliding rail is arranged on the inner wall of the assembly component, a built-in groove is formed in the shell, a door groove is formed in the outer wall of the built-in groove, a front door hinged with the door groove and a ventilation component are arranged on the side wall of the cabinet component, the ventilation component comprises a connecting frame positioned on the side face of the shell, the ventilation groove is formed in the interior of the connecting frame, and the heat dissipation component is assembled at the top of the cabinet component and comprises a heat dissipation barrel positioned on the shell.

As a preferable scheme of the outdoor electrical cabinet of the utility model, wherein: the outer side wall of the connecting frame is provided with a shielding plate through a connecting bolt, the shielding plate is internally provided with a blocking groove, the outer wall of the connecting frame is welded with a ventilating plate, and the outer wall of the ventilating plate is inlaid with a dehumidifying plate.

As a preferable scheme of the outdoor electrical cabinet of the utility model, wherein: the inside of a heat dissipation cylinder is provided with a heat dissipation groove, the upper side wall of the heat dissipation cylinder is welded with a disc, the bottom side wall of the heat dissipation cylinder is connected with a dust removal plate in a clamping mode, the inner wall of the heat dissipation groove is provided with a speed reducer through a motor frame, a fan blade is arranged on a rotating shaft of the speed reducer, and the upper side wall of the heat dissipation cylinder is connected with a heat dissipation cover through a support column.

The utility model has the beneficial effects that: the high-temperature gas in the internal environment of the cabinet body component and the gas in the external environment of the cabinet body component can be exchanged through the ventilation component and the heat dissipation component, the heat dissipation efficiency of the cabinet body component is improved, the shielding plate in the ventilation component is in a hollow semi-cylindrical structure, the air port can be shielded, direct exposure is avoided, the effect of moisture isolation can be achieved under the cooperation of the dehumidification plate, the heat dissipation cover in the heat dissipation component can also shield the air port, moist sundries such as rainwater are prevented from entering the interior of the cabinet body component through the air port, and the heat dissipation efficiency of the speed reducer in the heat dissipation component can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

Fig. 3 is an exploded view of the ventilation assembly according to the present utility model.

Fig. 4 is a schematic structural view of the assembly component according to the present utility model.

Fig. 5 is an exploded view of the assembly of the present utility model.

Fig. 6 is an exploded view of the construction of the lifting block and the mounting plate according to the present utility model.

Fig. 7 is a schematic structural view of an elastic member according to the present utility model.

Fig. 8 is an exploded view of a heat dissipating assembly according to the present utility model.

Fig. 9 is a schematic structural diagram of a heat dissipating cylinder according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in 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, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1, in a first embodiment of the present utility model, an electrical component assembly is provided, and by using an assembly 100, not only can electrical components be assembled in a suspended structure in a cabinet assembly 200, so as to improve space resource utilization, but also the sliding bar 102 is driven to move by rotating an electric reciprocating screw rod 101c, so that the assembly plate 104 is arranged in a staggered manner, and the first bevel gear 101d and the second bevel gear 101f are driven to rotate in a combined manner, so that the lifting block 103 is moved to the edges of the first threaded rod 103a-1 and the second threaded rod 103a-2, thereby facilitating the later maintenance of the electrical components.

Specifically, the sliding rails 101 in the assembly 100 are provided with a plurality of groups, each group of sliding rails 101 is provided with two sliding rails 101, the two sliding rails 101 are connected with the inner wall of the housing 201 through bolts, the sliding rails 101 are in sliding connection with the sliding blocks 102b at two ends of the sliding bar 102 through the telescopic rod 101b and the electric reciprocating screw rod 101c in the first sliding groove 101a, one side of the electric reciprocating screw rod 101c is in threaded connection with the first bevel gear 101d, two sliding bars 102 on one group of sliding rails 101 are provided with two sliding bars 102, the two sliding bars 102 are connected through elastic pieces 102c, the second sliding groove 102a in the sliding bar 102 is in sliding connection with the lifting block 103, the lifting block 103 is in clamping connection with the upper side wall of the assembly plate 104, the lifting block 103 in the second sliding groove 102a is provided with a plurality of sliding blocks, the adjacent lifting blocks 103 are connected with each other through the first threaded rod 103a-1 and the second threaded rod 103a-2, one side of the threaded rod 103a-2 is fixedly provided with the second bevel gear 101f through a one-way bearing, and the first bevel gear 101d is in meshed connection with the second bevel gear 101 f.

Further, the elastic member 102c is composed of a cylindrical barrel 102c-1, a buffer spring 102c-3 and a cylindrical rod 102c-4, wherein the buffer spring 102c-3 is clamped in a round hole 102c-2 in the cylindrical barrel 102c-1, two ends of the buffer spring 102c-3 are respectively connected with the inner wall of the round hole 102c-2 and the outer wall of the cylindrical rod 102c-4, and part of the main body of the cylindrical rod 102c-4 is also embedded in the round hole 102 c-2;

the four corners of the assembly groove 104b in the front side wall of the assembly board 104 are screw-connected with the assembly bolts 104b-1, the top side wall of the assembly board 104 is connected with the lifting block 103 through the lifting groove 104a, the bottom side wall of the assembly board 104 is connected with the elastic wire 104d through the binding post 104d-1, the other end of the elastic wire 104d is connected with the circuit board in the cabinet assembly 200 of the electrical cabinet through the wiring board 104d-2, and the side wall of the assembly board 104 is connected with the wiring board 104c-1 through the wiring board groove 104 c.

When the electric wire winding device is used, the wiring board 104c-1 is used for connecting the circuit board inside the assembly board 104 with the wiring opening of the electric component by using the wires, the elastic wire 104d on the assembly board 104 is connected with the circuit board in the cabinet body assembly 200 by the wiring board 104d-2, the electric component is assembled inside the assembly groove 104b by the assembly bolt 104b-1, namely the electric component is installed, when the electric component needs to be adjusted or overhauled, the sliding bar 102 is pushed to be gradually close to the front door 203 by rotating the electric reciprocating screw rod 101c, the sliding bar 102 is continuously rotated by the electric reciprocating screw rod 101c, so that the sliding bar 102 is gradually far away from the front door 203 and returns to the original position, the first bevel gear 101d is internally provided with a one-way bearing, the first bevel gear 101d can not drive the rotation of the second bevel gear 101f in the process, the first bevel gear 101d can drive the second bevel gear 101f to rotate by rotating the electric threaded rod 501c towards the other direction, and accordingly the assembly board 104 is close to the edges of the first threaded rod 103a-1 and the second bevel gear 103a-2, the phenomenon that the wiring wire winding device is convenient to use the wire winding device to the bottom of the wiring device to be simultaneously, and the wiring device is prevented from being wound by the wire winding device from the phenomenon.

Example 2

Referring to fig. 2, for a second implementation of the present utility model, this embodiment differs from the first embodiment in that: the ventilation assembly 300 is installed on the side wall of the cabinet assembly 200, the internal environment and the external environment of the cabinet assembly 200 can be mutually communicated through the ventilation assembly 300, and then the heat accumulation phenomenon generated during the operation of the electrical components in the cabinet assembly 200 can be avoided, and meanwhile, the front door 200 on the front side wall of the cabinet assembly 200 can protect the electrical components installed in the cabinet assembly 200.

Specifically, the internal groove 201 is formed in the cabinet assembly 200, the internal groove 201 is hinged to the front door 200 through a door groove 201a formed in the outer wall of the internal groove 201, the connection frame 301 in the ventilation assembly 300 and the ventilation plate 302 are arranged in an integrated structure, the connection frame 301 is horizontally arranged, the ventilation plate 302 is obliquely arranged downwards, meanwhile, a shielding plate 304 is covered on the outer cover of the ventilation plate 302, and a dehumidifying plate 303 is embedded on the outer wall of the ventilation plate 302.

Further, the air exchanging grooves 301a are formed in the connecting frame 301 and the air exchanging plate 302, the connecting frame 301 and the air exchanging plate 302 are communicated with the built-in groove 201 in the cabinet assembly 200 through the air exchanging grooves 301a, the air exchanging plate 302 is connected with the shielding plate 304 through the connecting bolts 301b, and the blocking groove 304a is formed in the shielding plate 304.

The rest of the structure is the same as in embodiment 1.

In use, the engagement frame 301 is assembled on the notch of the side wall of the cabinet assembly 200 by bolts, the downward-inclined ventilation plate 302 can guide the air in the surrounding environment into the interior of the built-in groove 201, the dehumidifying plate 303 on the ventilation plate 302 can isolate the water vapor in the surrounding environment from entering the interior, and meanwhile, the shielding plate 304 covers the ventilation plate 302, so that even in rainy weather, rainwater can be prevented from entering the interior of the cabinet assembly 200 from the ventilation plate 302.

Example 3

Referring to fig. 2, for a third implementation of the present utility model, this embodiment is different from the above embodiment in that: the heat dissipation efficiency of the cabinet assembly 200 can be improved by the heat dissipation assembly 400, and the heat dissipation speed can be adjusted, and rainwater can be prevented from falling into the cabinet assembly 200 from the heat dissipation assembly 400 in rainy weather by the heat dissipation cover 406 in the heat dissipation assembly 400.

Specifically, a dust removing plate 402 is embedded on the bottom side wall of a heat dissipating cylinder 401 in the heat dissipating assembly 400, the inner wall of the heat dissipating cylinder 401 is connected with a speed reducer 404 through a motor frame 403, and the top side wall of the heat dissipating cylinder 401 is connected with a heat dissipating cover 406 through a support column 405.

Further, the heat dissipation cylinder 401 is in a circular truncated cone-shaped structure, the disc 401b is welded on the outer wall of the small diameter end of the heat dissipation cylinder 401, the heat dissipation groove 401a is formed in the heat dissipation cylinder 401, the fan blades 404a are installed on the rotating shaft of the speed reducer 404, the heat dissipation cover 406 is in a hollow semicircular structure, and the bottom side wall of the heat dissipation cover 406 and the top side wall of the cabinet assembly 200 are in clearance arrangement.

The rest of the structure is the same as in embodiment 2.

The operation process comprises the following steps: through install the cooling cylinder 401 on the air bath at the top of cabinet body assembly 200, then the speed reducer 404 in the cooling cylinder 401 can drive the flabellum 404a and rotate, and then reaches the accumulation steam of taking out the cabinet body assembly 200 top fast to the radiator cover 406 bottom at cooling cylinder 401 top sets up with cabinet body assembly 200 top lateral wall clearance, consequently can guarantee the gas circulation, also can avoid the rainwater to enter into cabinet body assembly 200's inside through cooling cylinder 401's top notch when rainwater weather simultaneously.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. An electrical component assembly, characterized in that: comprising the steps of (a) a step of,

the assembly component (100) comprises a sliding rail (101) and a sliding bar (102) which is connected with the sliding rail (101) in a sliding manner, and a hoisting block (103) which is connected with the sliding bar (102) in a sliding manner, wherein the bottom side wall of the hoisting block (103) is clamped with the assembly plate (104).

2. The electrical component mounting assembly of claim 1, wherein: the sliding rail is characterized in that a first sliding groove (101 a) is formed in the sliding rail (101), a telescopic rod (101 b) and an electric reciprocating screw (101 c) are mounted in the first sliding groove (101 a), a first bevel gear (101 d) is connected to the front end of the electric reciprocating screw (101 c) in a threaded mode, a sliding bar (102) is connected to the first sliding groove (101 a) in a sliding mode, and the telescopic rod (101 b) and the electric reciprocating screw (101 c) are located at two ends of the sliding bar (102) respectively.

3. The electrical component mounting assembly of claim 2, wherein: the sliding device is characterized in that a second sliding groove (102 a) is formed in the sliding strip (102), sliding blocks (102 b) are arranged on the side walls of two ends of the sliding strip (102), the sliding blocks (102 b) are arranged in the second sliding groove (102 a) in a sliding mode, and an elastic piece (102 c) is arranged between the two sliding strips (102).

4. An electrical component mounting assembly according to claim 3 wherein: the elastic piece (102 c) is composed of a cylindrical barrel (102 c-1), a buffer spring (102 c-3) and a cylindrical rod (102 c-4), a round hole (102 c-2) is formed in the cylindrical barrel (102 c-1), the cylindrical rod (102 c-4) is inserted into the cylindrical barrel (102 c-1), and the buffer spring (102 c-3) is arranged between the round hole (102 c-2) and the cylindrical barrel (102 c-1).

5. The electrical component mounting assembly of claim 1, wherein: the lifting block (103) is of a T-shaped structure, a screw hole (103 a-3) is formed in the lifting block (103), a first threaded rod (103 a-1) and a second threaded rod (103 a-2) are connected with the screw hole (103 a-3) in a threaded mode, and a second bevel gear (101 f) is fixedly connected to the outer wall of the second threaded rod (103 a-2) through a one-way bearing.

6. The electrical component mounting assembly of claim 5, wherein: the bottom lateral wall of hoist and mount piece (103) is provided with assembly plate (104), hoist and mount groove (104 a) have been seted up to the upper lateral wall of assembly plate (104), just assembly groove (104 b) have been seted up to the preceding lateral wall of assembly plate (104), insert groove (104 c) have been seted up on the lateral wall of assembly plate (104), just install elastic wire (104 d) on the bottom lateral wall of assembly plate (104).

7. The electrical component mounting assembly of claim 6, wherein: four corners of the assembly groove (104 b) are respectively connected with an assembly bolt (104 b-1) in a threaded mode, a wiring board (104 c-1) is embedded in the wiring groove (104 c), two ends of the elastic wire (104 d) are respectively welded with a wiring terminal (104 d-1) and a wiring board (104 d-2), and the elastic wire (104 d) is electrically connected with the bottom side wall of the assembly board (104) through the wiring terminal (104 d-1).

8. An outdoor electrical cabinet, characterized in that: comprising an electrical component assembly according to any one of claims 1 to 7; the method comprises the steps of,

the assembly component (100) is arranged in the cabinet component (200), and comprises a shell (201) with the inner wall provided with the sliding rail (101), a built-in groove (202) is formed in the shell (201), a door groove (202 a) is formed in the outer wall of the built-in groove (202), and a front door (203) hinged with the door groove (202 a),

the ventilation assembly (300) is arranged on the side wall of the cabinet body assembly (200) and comprises a connecting frame (301) positioned on the side surface of the shell (201), a ventilation groove (301 a) is formed in the connecting frame (301),

and the heat dissipation assembly (400) is assembled on the top of the cabinet assembly (200) and comprises a heat dissipation cylinder (401) positioned on the shell (201).

9. The outdoor electrical cabinet of claim 8, wherein: the outer side wall of the connecting frame (301) is provided with a shielding plate (304) through a connecting bolt (301 b), a blocking groove (304 a) is formed in the shielding plate (304), an air exchanging plate (302) is welded on the outer wall of the connecting frame (301), and a dehumidifying plate (303) is inlaid on the outer wall of the air exchanging plate (302).

10. The outdoor electrical cabinet of claim 9, wherein: the inside of a heat dissipation section of thick bamboo (401) has been seted up radiating groove (401 a), just the upper side wall welding of a heat dissipation section of thick bamboo (401) has disc (401 b), joint has dust removal board (402) on the bottom lateral wall of a heat dissipation section of thick bamboo (401), just the inner wall of radiating groove (401 a) is provided with speed reducer (404) through motor frame (403), install flabellum (404 a) in the pivot of speed reducer (404), the upper side wall of a heat dissipation section of thick bamboo (401) is connected with radiator cover (406) through support column (405).