CN220292336U - Electric control assembly and air conditioner outdoor unit - Google Patents

Abstract

The utility model provides an electric control assembly and an air conditioner outdoor unit. The electronic control assembly includes: the bottom plate of the electric control box is provided with an air inlet and an air outlet; an air inlet part arranged at the air inlet; the air outlet part is arranged at the air outlet; wherein, the air intake with the air outlet all is equipped with at least tertiary dustproof construction. The utility model can carry out at least three-level dustproof treatment on dust in the air, and effectively improves the dustproof effect of the electric control component of the air conditioner external unit.

Description

Electric control assembly and air conditioner outdoor unit

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an electric control assembly and an air conditioner external unit.

Background

An air conditioner is a device for adjusting and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure by manual means, and generally comprises a cold source/heat source device, a cold and heat medium delivery and distribution system, an end device and other auxiliary devices. The system mainly comprises a refrigeration host, a water pump, a fan and a pipeline system. The tail end device is responsible for specifically processing the air state by utilizing the transmitted cold and hot quantity, so that the air parameters of the target environment reach certain requirements.

However, in the related art, the dustproof effect of the air conditioner external unit is relatively poor, and external dust easily enters the inner side of the electric control assembly of the air conditioner external unit from the air inlet and the air outlet, so that a large amount of dust is attached to the inner side of the electric control assembly, and the normal operation of the electric control assembly is affected.

Disclosure of Invention

In order to solve the technical problem of poor dustproof effect of an electric control component of an air conditioner outdoor unit, the utility model provides an electric control component, which comprises: the bottom plate of the electric control box is provided with an air inlet and an air outlet; an air inlet part arranged at the air inlet; the air outlet part is arranged at the air outlet; wherein, the air intake with the air outlet all is equipped with at least tertiary dustproof construction.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: through all setting up at least tertiary dustproof construction at the air intake and the air outlet of automatically controlled box bottom plate, can carry out tertiary dustproof processing at least to the dust in the air, effectively improve the dustproof effect of the automatically controlled subassembly of the outer machine of air conditioner, avoid outside dust to enter into the automatically controlled subassembly of the outer machine of air conditioner from air intake department and air outlet department inside a large amount of dust of leading to automatically controlled subassembly inboard adhesion, influence the normal operating of the automatically controlled subassembly of the outer machine of air conditioner.

In one example of the present utility model, the electronic control box bottom plate includes a first mounting side and a second mounting side disposed opposite to each other, and the dust-proof structure includes: the first air outlet dustproof part is arranged at the first installation side, is connected with the bottom plate of the electric control box and is provided with a first air outlet opening; the second air outlet dustproof part is connected with the bottom plate of the electric control box and is provided with a second air outlet opening; and the third air-out dustproof part is arranged on one side, away from the first air-out dustproof part, of the second air-out dustproof part and is connected with the bottom plate of the electric control box.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the dustproof structure is arranged into the forms of a first air outlet dustproof part, a second dustproof part and a third dustproof part, the first air outlet dustproof part connected with the bottom plate of the electric control box is arranged on the first installation side of the bottom plate of the electric control box, and the first-stage dustproof at the air outlet can be realized through the first air outlet dustproof part; by arranging the second air outlet dustproof part between the first installation side and the first air outlet dustproof part, the second dust prevention at the air outlet can be realized on the basis of the first air outlet dustproof part; through setting up third air-out dustproof part in the one side that first air-out dustproof part was kept away from to second air-out dustproof part, can realize the tertiary dustproof of air outlet department through third air-out dustproof part.

In one example of the present utility model, a filter installation space is provided inside the third air outlet dust-proof part; wherein, be provided with the non-woven fabrics in the filter mounting space.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: through being equipped with filter installation space in third air-out dustproof part inside, can be at third air-out dustproof part internally mounted filter medium, non-woven fabrics promptly, carry out filtration to the dust in the air through the non-woven fabrics, improve the dust removal effect of third air-out dustproof part.

In one example of the present utility model, the first air outlet dust prevention part includes: a first dust-proof mounting plate a; the dustproof coaming is arranged around the first dustproof mounting plate and is connected with the first dustproof mounting plate a and the electric control box bottom plate; wherein, first air-out opening is located dustproof bounding wall.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the first air-out dustproof part is arranged in the form of the first dustproof mounting plate a and the dustproof coaming surrounding the periphery of the first dustproof mounting plate, so that the dustproof function of the first air-out dustproof part can be realized through the first dustproof mounting plate a and the dustproof coaming; by arranging the first air outlet opening at the dustproof coaming, the air outlet function of the first air outlet dustproof part can be realized.

In one example of the present utility model, the second air outlet dust prevention part includes: the second dustproof mounting plate is connected with the bottom plate of the electric control box; wherein at least one second air outlet opening is formed in the second dustproof mounting plate; and each second air outlet opening is provided with a corresponding second dustproof air guide piece.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the second air-out dustproof part is arranged into the form of a second dustproof mounting plate, a second air-out opening and a second dustproof air guide piece, so that the second air-out dustproof part can be connected with the bottom plate of the electric control box in a matched manner through the second dustproof mounting plate; the air-out function of the second air-out dustproof part is realized through a second air-out opening arranged on the second dustproof mounting plate; through setting up the dustproof wind-guiding piece of corresponding second in every second air-out opening part, can carry out dustproof processing to second air-out opening through dustproof wind-guiding piece of second.

In one example of the present utility model, when the second air outlet openings are plural, the plural second air outlet openings are arranged at equal intervals along the first direction on the second dust-proof mounting plate; the first direction is the air outlet direction of the first air outlet opening.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: when the second air-out opening is a plurality of, through setting up a plurality of second air-out openings along first air-out open-ended air-out direction, equidistant the cloth in the dustproof mounting panel of second can guarantee the air-out effect of air outlet department when improving dustproof effect.

In one example of the present utility model, the third air outlet dust prevention part includes: the third dustproof installation body is internally provided with the filter element installation space; the third dustproof mounting plate is connected with the third dustproof mounting body and the bottom plate of the electric control box; the plurality of filtering holes are formed in the third dustproof installation body.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the third air-out dustproof part is arranged in the form of a third dustproof installation body, a third dustproof installation plate and a filtering hole, and the third dustproof installation body is arranged to extend out of the air outlet to the second installation side, so that the third air-out dustproof part can be fixedly arranged on the bottom plate of the electric control box through the third dustproof installation plate; through seting up a plurality of filtration holes on the dustproof installation of third body, realize the filtration and the air-out function of third air-out dustproof part.

In one example of the present utility model, the dust-proof structure further includes: the first air inlet dustproof part is arranged at the first installation side and is connected with the bottom plate of the electric control box; the second air inlet dustproof part is connected with the bottom plate of the electric control box; the third air inlet dustproof part is arranged at one side of the second air inlet dustproof part far away from the first air inlet dustproof part and is connected with the bottom plate of the electric control box; the first air inlet dustproof part and the first air outlet dustproof part have the same structure; the second air inlet dustproof part and the second air outlet dustproof part have the same structure; the third air inlet dustproof part and the third air outlet dustproof part have the same structure.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the first-stage dust prevention at the air inlet can be realized through the first air inlet dust prevention part; the second-stage dust prevention at the air inlet can be realized through the second air inlet dust prevention part positioned between the first installation side and the first air inlet dust prevention part on the basis of the first air inlet dust prevention part; three-level dust prevention at the air inlet can be realized through the third air inlet dust prevention part.

In an example of the present utility model, the air outlet portion further includes: the fan assembly is arranged on the second installation side; and the fan installation position is arranged on the third air outlet dustproof part.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: through set up fan installation position on third air-out dustproof part, can be through third air-out dustproof part with fan fixed mounting to the second installation side of automatically controlled box bottom plate.

The embodiment of the utility model provides an air conditioner external unit, which comprises any one of electric control components.

After the technical scheme of the utility model is adopted, the following technical effects can be achieved:

(1) Through all setting up at least tertiary dustproof construction at the air intake and the air outlet of automatically controlled box bottom plate, can carry out tertiary dustproof processing at least to the dust in the air, effectively improve the dustproof effect of the automatically controlled subassembly of the outer machine of air conditioner, avoid outside dust to enter into the automatically controlled subassembly of the outer machine of air conditioner from air intake department and air outlet department inside a large amount of dust of leading to automatically controlled subassembly inboard adhesion, influence the normal operating of the automatically controlled subassembly of the outer machine of air conditioner.

(2) The first air-out dustproof part connected with the bottom plate of the electric control box is arranged on the first installation side of the bottom plate of the electric control box, so that the first-stage dust prevention at the air outlet can be realized through the first air-out dustproof part; by arranging the second air outlet dustproof part between the first installation side and the first air outlet dustproof part, the second dust prevention at the air outlet can be realized on the basis of the first air outlet dustproof part; through setting up third air-out dustproof part in the one side that first air-out dustproof part was kept away from to second air-out dustproof part, can realize the tertiary dustproof of air outlet department through third air-out dustproof part. Through setting up third air-out dustproof part and being connected with the fan, can be through the fixed second installation side that sets up at automatically controlled box bottom plate with the fan of third dustproof part.

(3) Through being equipped with filter installation space in third air-out dustproof part inside, can be at third air-out dustproof part internally mounted filter medium, non-woven fabrics promptly, carry out filtration to the dust in the air through the non-woven fabrics, improve the dust removal effect of third air-out dustproof part.

Drawings

Fig. 1 is a schematic structural diagram of an electrical control assembly according to the present utility model.

Fig. 2 is an exploded view of the electronic control assembly of fig. 1.

Fig. 3 is a schematic structural diagram of the electronic control assembly in fig. 1 at another view angle.

Fig. 4 is a schematic structural diagram of the electronic control assembly in fig. 1 at a further view angle.

Fig. 5 is a schematic diagram illustrating connection between the bottom plate of the electric control box and the air outlet in fig. 1.

Fig. 6 is an enlarged view at a in fig. 5.

Fig. 7 is a schematic structural diagram of the air outlet portion in fig. 1.

Fig. 8 is a schematic structural view of the first air inlet dust-proof part in fig. 2.

Fig. 9 is a schematic structural view of the second air inlet dust-proof part in fig. 2.

Fig. 10 is a schematic structural view of the third air inlet dust-proof part in fig. 2.

Fig. 11 is a schematic structural view of the blower of fig. 2.

Reference numerals illustrate:

100. an electrical control assembly; 10. a bottom plate of the electric control box; 11. a first mounting side; 12. a second mounting side; 13. an air inlet; 14. an air outlet; 20. an air inlet part; 21. a first air inlet dust prevention part; 22. a second air inlet dust prevention part; 23. a third air inlet dust prevention part; 30. an air outlet part; 31. a first air-out dust-proof part; 311. a first dust-proof mounting plate a; 312. a first dust-proof mounting plate b; 313. a first dust-proof mounting plate c; 314. a first dust-proof mounting plate d; 315. a first dust-proof mounting plate f; 316. a first dust-proof mounting plate g; 317. a first air outlet opening; 318. a first positioning mounting hole; 32. a second air outlet dust prevention part; 321. a second dust-proof mounting plate; 322. the second dustproof wind guide piece; 323. a second air outlet opening; 324. a second positioning mounting hole; 33. a third air-out dust-proof part; 331. a third dust-proof mounting body; 332. a filter installation space; 333. a filter element positioning element; 334. a filter hole; 335. a third dust-proof mounting plate; 336. a third positioning mounting hole; 337. a fan installation position; 34. a fan assembly; 341. a fan body; 342. a fan mounting plate; 343. a fourth positioning mounting hole; 35. a nonwoven fabric.

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 specific embodiments thereof which are illustrated in the appended drawings.

Referring to fig. 1, a schematic structural diagram of an electronic control assembly 100 according to the present utility model is provided. Referring to fig. 1 to 4, the electronic control assembly 100 includes, for example: an electric control box bottom plate 10, an air inlet part 20 and an air outlet part 30. Wherein, the electric control box bottom plate 10 is provided with an air inlet 13 and an air outlet 14; the air inlet part 20 is arranged at the air inlet 13; the air outlet part 30 is arranged at the air outlet 14; wherein, the air inlet 13 and the air outlet 14 are both provided with at least three-stage dustproof structures.

It can be appreciated that the air inlet 13 and the air outlet 14 of the bottom plate 10 of the electric control box are provided with at least three-level dustproof structures, so that dust in air can be subjected to at least three-level dustproof treatment, the dustproof effect of the electric control assembly 100 of the air conditioner outdoor unit is effectively improved, and a large amount of dust attached to the inner side of the electric control assembly 100 and affecting the normal operation of the electric control assembly 100 of the air conditioner outdoor unit due to the fact that external dust enters the electric control assembly 100 of the air conditioner outdoor unit from the air inlet 13 and the air outlet 14 is avoided.

Further, referring to fig. 5 to 11, the electric control box base plate 10 includes a first mounting side 11 and a second mounting side 12 disposed opposite to each other, for example, the first mounting side 11 is an outward side of the electric control box base plate 10, and the second mounting side 12 is an inward side of the electric control box base plate 10. The air outlet 30 includes: fan assembly 34, first air-out dust-proof portion 31, second air-out dust-proof portion 32, and third air-out dust-proof portion 33. Wherein a fan assembly 34 is disposed on the second mounting side 12; the first air-out dust-proof part 31 is arranged on the first installation side 11, is connected with the electric control box bottom plate 10, and is provided with a first air-out opening 317; the second air-out dustproof part 32 is positioned between the first installation side 11 and the first air-out dustproof part 31, is connected with the electric control box bottom plate 10, and is provided with a second air-out opening 323; the third air-out dust-proof part 33 is disposed on a side of the second air-out dust-proof part 32 away from the first air-out dust-proof part 31, and connects the electric control box bottom plate 10 with the fan assembly 34.

For example, the second air-out dust-proof part 32 and the electric control box bottom plate 10 may be an integrated structure; at this time, the first air-out dust-proof portion 31 is provided on the first mounting side 11, and the third air-out dust-proof portion 33 is provided on the second mounting side 12.

It can be appreciated that by providing the air outlet 30 in the form of a fan assembly 34, a first air outlet dust-proof part 31, a second air outlet dust-proof part 32, and a third air outlet dust-proof part 33, the first air outlet dust-proof part 31 connected to the electronic control box base plate 10 is provided on the first mounting side 11 of the electronic control box base plate 10, and the first dust-proof at the air outlet 14 can be realized by the first air outlet dust-proof part 31; by providing the second air-out dust-proof portion 32 between the first mounting side 11 and the first air-out dust-proof portion 31, it is possible to realize secondary dust-proof at the air outlet 14 on the basis of the first air-out dust-proof portion 31; by providing the third air-out dust prevention portion 33 on the side of the second air-out dust prevention portion 32 away from the first air-out dust prevention portion 31, three-stage dust prevention at the air outlet 14 can be achieved by the third air-out dust prevention portion 33. By providing the third air-out dust-proof portion 33 connected with the fan assembly 34, the fan assembly 34 can be fixedly disposed on the second mounting side 12 of the electronic control box base plate 10 through the third dust-proof portion.

Further, a filter installation space 332 is provided inside the third air-out dust-proof portion 33.

It can be understood that, by providing the filter installation space 332 inside the third air-out dust-proof portion 33, the filter medium can be installed inside the third air-out dust-proof portion 33, and dust in the air can be filtered by the filter medium, thereby improving the dust removal effect of the third air-out dust-proof portion 33. Preferably, the filter medium is a nonwoven fabric 35 disposed in the filter installation space 332.

Further, the first air-out dust-proof part 31 includes: a first dust-proof mounting plate a311; the dustproof coaming is arranged around the first dustproof mounting plate and is connected with the first dustproof mounting plate a311 and the electric control box bottom plate 10; wherein, the first air outlet 317 is provided on the dustproof coaming.

For example, the first dust-proof mounting plate b312, the first dust-proof mounting plate c313, and the first dust-proof mounting plate d314 are connected to each other to form the dust-proof coaming. When the first air-out dust-proof portion 31 is mounted in cooperation with the electronic control box bottom plate 10, the first dust-proof mounting plate a311 is disposed parallel to the electronic control box bottom plate 10, the first dust-proof mounting plate b312 and the first dust-proof mounting plate c313 are disposed on the left and right sides of the first dust-proof mounting plate a311, and the first dust-proof mounting plate d314 is located above the first dust-proof mounting plate a 311.

Further, a first dustproof mounting plate f315 is arranged on one side of the first dustproof mounting plate b312 away from the first dustproof mounting plate a311; the first dust-proof mounting plate c313 is provided with a first dust-proof mounting plate g316 on a side remote from the first dust-proof mounting plate a 311. Wherein, first locating mounting hole 318 has been seted up on first dustproof mounting panel f315 and the first dustproof mounting panel g316, and threaded connection piece passes first locating mounting hole 318 with first air-out dustproof portion 31 fixed mounting on automatically controlled box bottom plate 10.

It can be understood that by arranging the first air-out dust-proof portion 31 in the form of the first dust-proof mounting plate a311 and the dust-proof coaming surrounding the periphery of the first dust-proof mounting plate, the dust-proof and water-proof functions of the first air-out dust-proof portion 31 can be realized by the first dust-proof mounting plate a311 and the dust-proof coaming; by providing the first air outlet opening 317 at the dust-proof enclosure plate, the air outlet function of the first air outlet dust-proof portion 31 can be achieved.

Further, referring to fig. 9, the second air-out dust-proof part 32 includes: a second dustproof mounting plate 321 connected to the electronic control box base plate 10; wherein at least one second air outlet opening 323 is provided on the second dust-proof mounting plate 321; each second air outlet opening 323 is provided with a corresponding second dustproof air guide piece 322. For example, the second dustproof mounting plate 321 is provided with 3 second air outlet openings 323, and each second air outlet opening 323 is provided with a corresponding second dustproof air guide 322 along the length direction thereof. The second air-out dustproof part 32 is also provided with a second positioning and mounting hole 324, and the threaded connecting piece passes through the second positioning and mounting hole 324 to fixedly mount the second dustproof mounting plate 321 to the electric control box bottom plate 10.

It can be appreciated that by arranging the second air-out dust-proof portion 32 in the form of the second dust-proof mounting plate 321, the second air-out opening 323, and the second dust-proof air guide 322, the mating connection of the second air-out dust-proof portion 32 and the electronic control box base plate 10 can be achieved by the second dust-proof mounting plate 321; the air-out function of the second air-out dust-proof part 32 is realized through a second air-out opening 323 arranged on the second dust-proof mounting plate 321; by arranging the corresponding second dustproof wind guide pieces 322 at each second wind outlet opening 323, the second wind outlet openings 323 can be dustproof through the second dustproof wind guide pieces 322.

Further, when the number of the second air outlet openings 323 is plural, the second air outlet openings 323 are arranged at equal intervals along the first direction on the second dust-proof mounting plate 321; wherein, the first direction is the air outlet direction of the first air outlet opening 317.

It may be appreciated that, when the second air outlet openings 323 are plural, the second dust-proof mounting plates 321 are equidistantly arranged along the air outlet direction of the first air outlet openings 317 by setting the plural second air outlet openings 323, so that the dust-proof effect can be improved and the air outlet effect at the air outlet 14 can be ensured.

Further, referring to fig. 10, the third air-out dust-proof part 33 includes: a third dustproof mounting body 331 having the filter mounting space 332 therein; the third dustproof mounting plate 335 connects the third dustproof mounting body 331 with the electric control box base plate 10; the third dust-proof mounting plate 335 is provided with a third positioning mounting hole 336, and the third air-out dust-proof part 33 is fixedly arranged on the electric control box bottom plate 10 through the third positioning mounting hole 336. The plurality of filtering holes 334 are formed in the third dustproof mounting body 331. For example, a filter positioning member 333 is disposed on a side of the third dust-proof mounting body 331 away from the third dust-proof mounting plate 335, and the filter positioning member 333 can prevent the filter medium in the filter mounting space 332 from falling out of the filter mounting space 332; a plurality of filter apertures 334 are provided in the filter positioning member 333.

In one embodiment, the filter positioning member 333 is a non-woven fabric disposed on a side of the third dust-proof mounting body 331 remote from the third dust-proof mounting plate 335. The third dust-proof mounting body 331, the second air-out dust-proof part 32, and the third air-out dust-proof part 33 are sheet metal members.

It can be appreciated that by providing the third air-out dust-proof portion 33 in the form of the third dust-proof mounting body 331, the third dust-proof mounting plate 335, and the filter holes 334, and providing the third dust-proof mounting body 331 to protrude from the air outlet 14 to the second mounting side 12, the third air-out dust-proof portion 33 can be fixedly provided on the electronic control box base plate 10 through the third dust-proof mounting plate 335; the third air-out dust-proof part 33 is provided with a plurality of filtering holes 334 on the third dust-proof mounting body 331 to realize the functions of filtering and air-out. Further, the air inlet 20 includes: a first air inlet dustproof part 21 arranged on the first installation side 11 and connected with the electric control box bottom plate 10; a second air inlet dustproof part 22, which is positioned between the first installation side 11 and the first air inlet dustproof part 21 and is connected with the electric control box bottom plate 10; a third air inlet dust-proof part 23 arranged on the first installation side 11 and extending to the second installation side 12 through the air inlet 13; wherein the first air inlet dust-proof part 21 has the same structure as the first air outlet dust-proof part 31; the second air inlet dustproof part 22 has the same structure as the second air outlet dustproof part 32; the third air inlet dust-proof part 23 has the same structure as the third air outlet dust-proof part 33.

It will be appreciated that by providing the air inlet portion 20 in the form of a first air outlet dust-proof portion 31, a second air inlet dust-proof portion 22, and a third dust-proof portion, primary dust-proof at the air inlet 13 can be achieved by the first air inlet dust-proof portion 21; the second-stage dust prevention at the air inlet 13 can be realized by the second air inlet dust prevention part 22 positioned between the first installation side 11 and the first air inlet dust prevention part 21 on the basis of the first air inlet dust prevention part 21; three-stage dust prevention at the air inlet 13 can be realized through the third air inlet dust prevention part 23.

Further, the third dust-proof mounting body 331 extends from the air outlet 14 to the second mounting side 12; the third air-out dust-proof part 33 further includes: the fan mounting position 337 is provided on the third dust-proof mounting body 331.

It will be appreciated that by providing the third dust-proof mounting body 331 to extend from the air outlet 14 to the second mounting side 12, and providing the fan mounting location 337 on the third dust-proof mounting body 331, the fan assembly 34 can be fixedly mounted to the second mounting side 12 of the electronic control box base plate 10 through the third dust-proof mounting body 331.

Further, the fan assembly 34 includes, for example, a fan body 341, a fan mounting plate 342, and a fourth locating mounting hole 343. Wherein, fan mounting plate 342 is connected with fan body 341, and fan mounting plate 342 is provided with a plurality of fourth positioning mounting holes 343; the fan assembly 34 is fixedly disposed on the third dust-proof mounting body 331 through a plurality of fourth positioning mounting holes 343.

Further, the embodiment of the present utility model provides an air conditioner outdoor unit, which includes any of the electric control components 100 described above, and can achieve the same effect, and for avoiding repetition, a description is omitted herein.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims (10)

1. An electrical control assembly, characterized in that the electrical control assembly (100) comprises:

an air inlet (13) and an air outlet (14) are formed in the bottom plate (10) of the electric control box;

an air inlet part (20) arranged at the air inlet (13);

an air outlet (30) provided at the air outlet (14);

wherein, the air inlet (13) and the air outlet (14) are both provided with at least three-level dustproof structures.

2. An electrical control assembly according to claim 1, wherein the electrical control box base plate (10) comprises a first mounting side (11) and a second mounting side (12) arranged opposite each other, the dust-proof structure comprising:

the first air-out dustproof part (31) is arranged on the first installation side (11), is connected with the electric control box bottom plate (10) and is provided with a first air-out opening (317);

a second air outlet dustproof part (32) connected with the electric control box bottom plate (10) and provided with a second air outlet opening (323);

and the third air-out dustproof part (33) is arranged on one side of the second air-out dustproof part (32) away from the first air-out dustproof part (31) and is connected with the bottom plate (10) of the electric control box.

3. The electronic control assembly according to claim 2, wherein a filter mounting space (332) is provided inside the third air outlet dust prevention part (33); wherein, a non-woven fabric (35) is arranged in the filter element installation space (332).

4. An electrical control assembly according to claim 2, wherein the first air outlet dust guard (31) comprises:

a first dust-proof mounting plate a (311);

the dustproof coaming is arranged around the first dustproof mounting plate and is connected with the first dustproof mounting plate a (311) and the electric control box bottom plate (10);

wherein, first air outlet opening (317) is located dustproof bounding wall.

5. The electrical control assembly of claim 2, wherein the second air out dust guard (32) comprises:

the second dustproof mounting plate (321) is connected with the electric control box bottom plate (10);

wherein at least one second air outlet opening (323) is formed in the second dustproof mounting plate (321); and each second air outlet opening (323) is provided with a corresponding second dustproof air guide piece (322).

6. The electronic control assembly according to claim 5, wherein when the second air outlet openings (323) are plural, the plural second air outlet openings (323) are arranged at equal intervals along the first direction on the second dust-proof mounting plate (321); wherein the first direction is the air outlet direction of the first air outlet opening (317).

7. An electrical control assembly according to claim 3, wherein the third air outlet dust guard (33) comprises:

a third dust-proof mounting body (331) having the filter mounting space (332) inside;

a third dustproof mounting plate (335) connecting the third dustproof mounting body (331) with the electric control box bottom plate (10);

and a plurality of filtering holes (334) are formed in the third dustproof mounting body (331).

8. The electrical control assembly of claim 2, wherein the dust guard structure further comprises:

a first air inlet dustproof part (21) which is arranged on the first installation side (11) and is connected with the electric control box bottom plate (10);

a second air inlet dustproof part (22) connected with the electric control box bottom plate (10);

the third air inlet dustproof part (23) is arranged at one side of the second air inlet dustproof part (22) away from the first air inlet dustproof part (21) and is connected with the bottom plate (10) of the electric control box;

wherein the first air inlet dustproof part (21) and the first air outlet dustproof part (31) have the same structure; the second air inlet dustproof part (22) and the second air outlet dustproof part (32) have the same structure; the third air inlet dustproof part (23) and the third air outlet dustproof part (33) have the same structure.

9. The electrical control assembly of claim 2, wherein the air outlet (30) further comprises:

a fan assembly (34) disposed on the second mounting side (12);

and a fan mounting position (337) provided on the third air outlet dust-proof part (33).

10. An air conditioner external unit, characterized in that it comprises an electrical control assembly (100) according to any one of claims 1-9.