Air conditioner

Abstract

The utility model discloses an air conditioner, and relates to the technical field of air conditioners, the air conditioner comprises a mounting piece and an electric control box, the mounting piece is arranged on the air conditioner; the electric control box is arranged in the air conditioner, a first heat dissipation channel is defined by the electric control box and the installation part, the electric control box comprises a shell and a power device, a containing space is formed in the shell, the power device is arranged in the containing space, and the power device is arranged in the containing space. The shell is provided with a first side facing the first heat dissipation channel and a second side facing the first side, the first side is provided with first heat dissipation holes, the second side is provided with second heat dissipation holes, and the second heat dissipation holes are communicated with the first heat dissipation holes through the containing space. According to the technical scheme provided by the utility model, the heat dissipation effect of the electric control box can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and particularly relates to an air conditioner. Background Art

[0002] The electronic control box of an air conditioner is a very important component in the entire air conditioning system. It is responsible for controlling the startup, operation, shutdown of the air conditioner, and the switching of various modes. The inside of the electronic control box contains a circuit board, electronic components, and connecting wires, etc. These components will generate heat during operation. If the heat dissipation is poor, it will cause the temperature inside the electronic control box to rise, thereby affecting the normal operation of the air conditioner, and may even cause damage to electronic components and shorten the service life of the air conditioner. Summary of the Utility Model

[0003] The main purpose of the utility model is to propose an air conditioner, aiming to improve the heat dissipation effect of the electronic control box.

[0004] To achieve the above purpose, the air conditioner proposed by the utility model includes:

[0005] A mounting member, provided on the air conditioner; and

[0006] An electronic control box, provided inside the air conditioner, and enclosing a first heat dissipation channel with the mounting member. The electronic control box includes a housing and a power device. A receiving space is formed inside the housing, and the power device is provided in the receiving space. The housing has a first side facing the first heat dissipation channel and a second side opposite to the first side. The first side is provided with a first heat dissipation hole, the second side is provided with a second heat dissipation hole, and the second heat dissipation hole communicates with the first heat dissipation hole through the receiving space.

[0007] In one embodiment, the housing includes an insulating shell and a fireproof shell covering the outside of the insulating shell. The second heat dissipation hole is provided on the fireproof shell. A heat dissipation structure is provided on the insulating shell, and the heat dissipation structure can communicate the receiving space with the second heat dissipation hole. At least part of the power device is arranged close to the heat dissipation structure.

[0008] In one embodiment, the heat dissipation structure is configured as a heat dissipation groove provided on the insulating shell, and the heat dissipation groove has a first opening facing the receiving space and a second opening facing the fireproof shell. The second opening communicates with the second heat dissipation hole.

[0009] In one embodiment, the heat dissipation structure and the second opening face different directions, and a local gap is provided between the insulating shell and the fireproof shell to enable the heat dissipation structure to communicate with the second heat dissipation hole.

[0010] In one embodiment, the second heat dissipation hole and the second opening have the same orientation and are staggered, and a local gap is provided between the insulating shell and the fireproof shell so that the second opening is connected to the second heat dissipation hole.

[0011] In one embodiment, a portion of the insulating shell is provided with an avoidance sunken platform recessed toward the interior of the electric control box, and the avoidance sunken platform extends from the second opening to the second heat dissipation hole.

[0012] In one embodiment, a radiator is provided in the first heat dissipation channel, and the first heat dissipation hole is arranged toward the radiator.

[0013] In one embodiment, the heat sink is configured as a plurality of heat dissipating fins arranged at intervals, and the heat dissipating fins extend along an extension direction of the first heat dissipating channel, and the first heat dissipating holes are arranged toward the sides of the plurality of heat dissipating fins.

[0014] In one embodiment, the shell includes an insulating shell and a fireproof shell covering the outer side of the insulating shell. The air guide cover is integrally formed with the insulating shell. The fireproof shell is provided with a clearance opening for the air guide cover to extend out of.

[0015] In one embodiment, the power device includes a circuit board located between the first heat dissipation hole and the second heat dissipation hole, and a first power device close to the first heat dissipation channel, and a second power device close to the first heat dissipation hole is provided on the circuit board.

[0016] In one embodiment, a first avoidance step is formed on the side of the shell facing the mounting member, the mounting member includes a support plate and a mounting plate arranged at an angle, the shell is installed on the support plate, and the first avoidance step, the mounting plate and part of the support plate enclose to form the first heat dissipation channel.

[0017] In one embodiment, a supporting rib is provided on the support plate, the supporting rib abuts against the electric control box and spaced apart from the support plate, and a second avoidance step is provided on the side of the shell facing the support plate, and the second heat dissipation hole is provided on the second avoidance step.

[0018] The technical solution of the present utility model is to provide a mounting member inside the air conditioner. The electronic control box is mounted on the mounting member and encloses with the mounting member to form a first heat dissipation channel. Cooling air passes through the first heat dissipation channel, thereby taking away the heat on the surface of the electronic control box. Moreover, a first heat dissipation hole is provided on the first side of the housing facing the first heat dissipation channel, and a second heat dissipation hole is provided on the second side opposite to the first side. The second heat dissipation hole communicates with the first heat dissipation hole through the accommodating space, so as to form a negative pressure through the air flow in the first heat dissipation channel, promote the air flow in the accommodating space, thereby improving the heat dissipation efficiency and dissipating heat for the electronic control box in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0020] Figure 1 It is a schematic structural view of an electronic control box in an embodiment of an air conditioner provided by the present utility model from a certain angle;

[0021] Figure 2 It is Figure 1 a schematic structural view of the electronic control box in after removing the fireproof shell;

[0022] Figure 3 It is Figure 1 another schematic structural view of the electronic control box in ;

[0023] Figure 4 It is Figure 3 a sectional view of the electronic control box in along A-A;

[0024] Figure 5 It is Figure 1 another schematic structural view of the electronic control box in ;

[0025] Figure 6 It is Figure 5 a sectional view of the electronic control box in along B-B;

[0026] Figure 7 It is Figure 5 a sectional view of the electronic control box in along C-C;

[0027] Figure 8 It is Figure 7 a partial enlarged view of A in ;

[0028] Figure 9 It is Figure 1 a schematic internal structure view of the air conditioner in ;

[0029] Figure 10 is Figure 9 an exploded view of the internal structure of an air conditioner in the

[0030] Explanation of the reference numerals in the drawings:

[0031] 1. Mounting member; 11. Support plate; 12. Mounting plate; 13. Support rib; 2. Electric control box; 21. First heat dissipation channel; 211. Heat dissipation fins; 212. Air inlet end; 213. Air outlet end; 22. Housing; 221. Insulating shell; 222. Fireproof shell; 223. Relief opening; 23. First heat dissipation hole; 24. Second heat dissipation hole; 25. Heat dissipation groove; 251. Second opening; 252. Avoidance sink; 253. First opening; 26. Air guide cover; 27. First avoidance step; 28. Second avoidance step; 29. Accommodation space; 291. Circuit board; 3. Heat exchanger; 4. Fan assembly; 41. Air inlet side.

[0032] The realization, functional features and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0034] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, if the descriptions such as "first" and "second" are involved in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or the solution where A and B are satisfied simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0036] The present utility model provides an air conditioner. The air conditioner can be a split air conditioner that is convenient for users to install personally. It uses flexible refrigerant pipes to connect the indoor heat exchanger of the indoor unit of the air conditioner and the outdoor heat exchanger of the outdoor unit of the air conditioner, and injects refrigerant into the refrigerant circuit before the equipment leaves the factory. In this way, when the user installs the equipment by himself, he only needs to fix the indoor unit and the outdoor unit of the air conditioner respectively, without the need to assemble the refrigerant pipes and fill the refrigerant, thereby reducing the installation difficulty and realizing personal installation by the user. However, this design is not limited thereto. In other embodiments, the air conditioner of the present utility model can also be an ordinary split air conditioner or an integrated air conditioner.

[0037] Please refer to Figures 1 to 10 , in an embodiment of the present utility model, the air conditioner includes:

[0038] Mounting member 1, provided on the air conditioner; and

[0039] The electric control box 2 is provided inside the air conditioner and encloses with the mounting member 1 to form a first heat dissipation channel 21. The electric control box 2 includes a housing 22 and power devices. A receiving space 29 is formed inside the housing 22, and the power devices are provided in the receiving space 29. The housing 22 has a first side facing the first heat dissipation channel 21 and a second side opposite to the first side. The first side is provided with a first heat dissipation hole 23, the second side is provided with a second heat dissipation hole 24, and the second heat dissipation hole 24 communicates with the first heat dissipation hole 23 through the receiving space 29.

[0040] Specifically, the air conditioner can be an indoor unit or an outdoor unit of the air conditioner, that is, the electronic control box 2 can be installed in the indoor unit of the air conditioner or in the outdoor unit of the air conditioner. A receiving space 29 is provided in the housing 22 of the electronic control box 2 for accommodating a circuit board 291 and some power devices. As it is responsible for controlling the startup, operation, shutdown, and switching of various modes of the air conditioner, a large amount of heat will be generated during the working process. If the heat cannot be dissipated in time, it is very likely that the power devices inside will fail due to high temperature, and even overheat and burn, affecting the normal operation of the air conditioner.

[0041] Therefore, the electronic control box 2 and the mounting member 1 for installing it enclose a first heat dissipation channel 21, and the cooling air passes through the first heat dissipation channel 21 to take away the heat on the surface of the electronic control box 2. A first heat dissipation hole 23 is provided on the first side of the housing 22 facing the first heat dissipation channel 21, and a second heat dissipation hole 24 is provided on the second side. The second heat dissipation hole 24 communicates with the first heat dissipation hole 23 through the receiving space 29, so as to form a negative pressure through the air flow in the first heat dissipation channel 21, promote the air flow in the receiving space 29, and also form a heat dissipation channel inside the electronic control box 2, thereby improving the heat dissipation efficiency and dissipating heat for the electronic control box 2 in time.

[0042] Among them, the second side is different from the first side in orientation, so that the second side and the first side can be configured to be two adjacent side walls of the housing 22, or can be configured to be two opposite side walls of the housing 22, that is, the second heat dissipation hole 24 is not oriented towards the first heat dissipation channel 21, so as to form a pressure difference between the first heat dissipation hole 23 and the second heat dissipation hole 24 to promote the air flow inside the electronic control box 2.

[0043] Please refer to Figure 9 and Figure 10, the air conditioner is internally provided with a heat exchanger 3 and a fan assembly 4. The heat exchanger 3 is spaced apart from the air inlet side 41 of the fan assembly 4, and the heat exchanger 3 is arranged facing the air inlet of the air conditioner. The air inlet end 212 of the first heat dissipation channel 21 is arranged on the side of the heat exchanger 3 facing away from the fan assembly 4 to directly communicate with the air inlet of the air conditioner, and the air outlet end 213 of the first heat dissipation channel 21 is arranged on the side of the heat exchanger 3 facing the fan assembly 4 to communicate with the air inlet side 41, so that the air inlet end 212 and the air outlet end 213 of the first heat dissipation channel 21 are arranged across the heat exchanger 3, so that the air flowing through the first heat dissipation channel 21 does not need to pass through the heat exchange of the heat exchanger 3 and is natural wind. If the gas entering the first heat dissipation channel 21 is the gas after heat exchange, for example, in the refrigeration mode, the temperature of the air flow after heat exchange by the heat exchanger 3 is relatively low, and condensation may occur when entering the first heat dissipation channel 21. The condensation accumulates in the first heat dissipation channel 21 and is difficult to discharge, and may also enter the electronic control box 2 through the second heat dissipation hole 24. In this way, water droplets are likely to fall on the power devices of the electronic control box 2, easily causing failures. In the heating mode, the temperature of the gas after heat exchange by the heat exchanger 3 is relatively high, and it is difficult to achieve the heat dissipation effect when entering the first heat dissipation channel 21. Therefore, the air inlet end 212 of the first heat dissipation channel 21 is directly communicated with the air inlet, which can minimize the possibility of the gas after heat exchange by the heat exchanger 3 entering the first heat dissipation channel 21 as much as possible, thereby reducing the possibility of condensation forming in the first heat dissipation channel 21.

[0044] Moreover, the air outlet end 213 of the first heat dissipation channel 21 is arranged on the side of the heat exchanger 3 facing the fan assembly 4 to communicate with the air inlet side 41. A negative pressure area is formed on the air inlet side 41 of the fan assembly 4. The air outlet end 213 is directly communicated with the air inlet side 41, which can also effectively accelerate the flow rate of the air flow flowing through the first heat dissipation channel 21, thereby further accelerating the air flow on the surface and inside of the electronic control box 2, so as to quickly take away the heat generated by the electronic control box 2 to help the electronic control box 2 dissipate heat.

[0045] Among them, the mounting member 1 can be arranged inside the air conditioner. In this embodiment, the mounting member 1 is fixed to the fan assembly 4 and is arranged above the heat exchanger 3. In other embodiments, the mounting member 1 can also be configured as a part of the air conditioner housing.

[0046] Please refer to Figure 1 、 Figure 2 Figure 3 and Figure 5 , in the embodiment of the present invention, the housing 22 includes an insulating shell 221 and a fireproof shell 222 covering the outside of the insulating shell 221. The second heat dissipation hole 24 is arranged on the fireproof shell 222. A heat dissipation structure is provided on the insulating shell 221, and the heat dissipation structure can communicate the accommodation space 29 and the second heat dissipation hole .At least part of the power device is arranged close to the heat dissipation structure.

[0047] Specifically, in order to ensure the electrical safety and usage safety of the electronic control box 2, the housing 22 includes an insulating shell 221 and a fireproof shell 222 wrapped around the periphery of the insulating shell 221. The insulating shell 221 is usually made of insulating materials such as plastics, and the fireproof shell 222 is usually made of fireproof materials such as metals. The second heat dissipation holes 24 are provided in the fireproof shell 222, and a heat dissipation structure is provided corresponding to the insulating shell 221, so that the second heat dissipation holes 24 communicate with the accommodation space 29 through the heat dissipation structure. Thus, the cooling air enters the interior of the electronic control box 2 from the second heat dissipation holes 24 after passing through the heat dissipation structure, so as to dissipate heat from the power devices in the electronic control box 2.

[0048] Among them, at least part of the multiple power devices are arranged close to the heat dissipation structure or the first heat dissipation holes 23. Thus, when the air flow flows from the heat dissipation structure to the first heat dissipation holes 23, as much air as possible can pass through the power devices, so as to directly take away the temperature on the surface of the power devices, thereby improving the heat dissipation efficiency of the electronic control box 2. The heat dissipation structure can be configured as the third heat dissipation holes provided on the insulating shell 221, or can be configured as heat dissipation grooves penetrating the insulating shell 221.

[0049] Please refer to Figure 2 and Figure 6 In the embodiment of the present utility model, the heat dissipation structure is configured as a heat dissipation groove 25 provided on the insulating shell 221, and the heat dissipation groove 25 has a first opening 253 facing the accommodation space 29 and a second opening 251 facing the fireproof shell 222, and the second opening 251 communicates with the second heat dissipation holes 24. Specifically, the heat dissipation structure is configured as a heat dissipation groove 25 provided on the insulating shell 221, and the heat dissipation groove 25 has a first opening 253 facing the accommodation space 29 and a second opening 251 facing the fireproof shell 222. Compared with directly providing heat dissipation openings, this solution can ensure the structural strength of the heat dissipation structure, and the second opening 251 communicates with the second heat dissipation holes 24, so that the second heat dissipation holes 24 communicate with the accommodation space 29.

[0050] Please refer to Figures 3 to 6 , Figure 4 and Figure 6The direction indicated by the arrow in the figure is the direction of the airflow inside the electronic control box 2. To reduce the possibility of external dust, moisture, or other impurities entering the accommodation space 29, in the embodiments of the present invention, the orientations of the second opening 251 and the second heat dissipation holes 24 are different. Specifically, the orientation of the heat dissipation structure is different from that of the second heat dissipation holes 24, that is, the second heat dissipation holes 24 are not directly connected to the accommodation space 29. The heat dissipation structure is configured as a heat dissipation groove, and the orientation of the second opening 251 of the heat dissipation groove communicating with the second heat dissipation holes 24 is different from that of the second heat dissipation holes 24, so that the directions of the airflow flowing out of the second heat dissipation member 24 and flowing into the second opening 251 are different, thereby changing the communication direction between the second heat dissipation member 24 and the second opening 251. This can not only reduce the entry of external dust, moisture, or other impurities into the accommodation space 29 through the second heat dissipation holes 24 and affect the electrical safety of the electronic control box 2, but also when the power device inside the electronic control box 2 overheats and catches fire, it can also reduce the possibility that the flame inside the electronic control box 2 may directly escape from the electronic control box 2, which helps to control the intensity of the flame and can also reduce the damage of the devices outside the electronic control box 2.

[0051] In other embodiments, the orientation of the first opening 253 and the second heat dissipation holes 24 can also be different, so that the directions of the airflow flowing out of the second heat dissipation member 24 and flowing out of the first opening 253 are different, which can also achieve the purpose of reducing the entry of external dust, moisture, or other impurities into the accommodation space 29 and reducing the possibility that the flame inside the electronic control box 2 may directly escape from the electronic control box 2. And in order to achieve different orientations of the second opening 251 and the second heat dissipation holes 24, the second heat dissipation holes 24 and the heat dissipation structure are respectively arranged on two adjacent and angled sides of the housing 22 (regarding the insulating housing 221 and the fireproof housing 222 as a whole).

[0052] In another embodiment of the present invention, please refer to Figure 5 and Figure 6 , the orientations of the second opening 251 and the second heat dissipation holes 24 are the same, and the second heat dissipation holes 24 and the second opening 251 are arranged in a staggered manner, that is, the second heat dissipation holes 24 and the heat dissipation structure are arranged on the same side wall of the housing 22. By arranging them in a staggered manner, the path from the second heat dissipation holes 24 to the heat dissipation structure is extended, thereby increasing the difficulty for external dust, moisture, or other impurities to enter the accommodation space 29. Among them, the second heat dissipation holes 24 and the heat dissipation structure are arranged in a staggered manner, that is, their installation positions on the housing 22 are different. At this time, preferably, the second heat dissipation holes 24 and the heat dissipation structure are not overlapped at all. Of course, in other embodiments, the second heat dissipation holes 24 and the heat dissipation structure are partially overlapped.

[0053] Moreover, a local gap is provided between the insulating shell 221 and the fireproof shell 222, so that the heat dissipation structure communicates with the second heat dissipation holes 24. That is, the insulating shell 221 and the fireproof shell 222 do not abut at the position between the heat dissipation structure and the second heat dissipation holes 24, and there is a certain gap, thereby forming a communication channel between the insulating shell 221 and the fireproof shell 222, facilitating the external air flow to enter the second heat dissipation holes 24 and then enter the heat dissipation structure through the communication channel, and then flow into the accommodation space. Among them, the fireproof shell 222 can be made to bulge outward at the position between the heat dissipation structure and the second heat dissipation holes 24 to provide a local gap; or the insulating shell 221 can be made to sink inward at the position between the heat dissipation structure and the second heat dissipation holes 24 to provide a local gap.

[0054] In an embodiment of the present invention, a relief sunken platform 252 that is recessed inwardly into the interior of the electric control box 2 is provided locally on the insulating shell 221, and the relief sunken platform 252 extends from the heat dissipation structure to the second heat dissipation holes 24. That is, a local gap is provided by making the insulating shell 221 sink inward locally, and this setting method helps to improve the flatness of the surface of the electric control box 2.

[0055] Moreover, in order to further reduce the possibility of external dust, moisture and other impurities entering the accommodation space 29, the area of each of the second heat dissipation holes 24 is smaller than the area of each of the second openings 251. The larger the area of the second openings 251, the more conducive to improving the air intake volume of the accommodation space 29, and the easier it is for the air flow to enter the accommodation space 29 from the second heat dissipation holes 24. The smaller the area of the second heat dissipation holes 24, the more difficult it is for external dust, moisture and other impurities to enter the second heat dissipation holes 24. That is, the area of each of the second heat dissipation holes 24 is designed to be smaller than the area of each of the second openings 251, so that the second heat dissipation holes 24 can filter the air flow entering the second openings 251, thereby reducing the possibility of external dust, moisture and other impurities entering the accommodation space 29. Among them, to ensure the air intake volume, the total area of the plurality of second heat dissipation holes 24 is greater than or equal to the total area of the heat dissipation structure. And the area of the second heat dissipation holes 24 is smaller than the area of the second openings 251. When the electric control box 2 catches fire due to overheating, the second heat dissipation holes 24 can play a role in further dispersing the flame and reducing the flame intensity.

[0056] In an embodiment of the present invention, please refer to Figures 1 to 8 , a radiator is provided in the first heat dissipation channel 21, and the first heat dissipation holes 23 are arranged facing the radiator, thereby accelerating the air flow on the surface of the electric control box 2 and the heat dissipation area, and quickly taking away the heat generated by the electric control box 2 to help the electric control box 2 dissipate heat.

[0057] Further, the radiator is configured with a plurality of heat dissipation fins 211 arranged at intervals, and the heat dissipation fins 211 extend along the extension direction of the first heat dissipation channel 21. The first heat dissipation holes 23 face the sides of the plurality of heat dissipation fins 211. Specifically, the heat dissipation fins 211 have good heat conduction performance, so as to quickly conduct the heat on the surface of the electric control box 2. Moreover, the plurality of heat dissipation fins 211 are arranged at intervals in the first heat dissipation channel 21, and small heat dissipation channels are formed between two adjacent heat dissipation fins 211, thereby increasing the heat dissipation area of the radiator, further taking away the heat on the surface of the heat dissipation fins 211, and improving the heat dissipation effect of the electric control box 2.

[0058] Also, the heat dissipation fins 211 extend along the extension direction of the first heat dissipation channel 21, that is, the heat dissipation fins 211 extend from the air inlet end 212 to the air outlet end 213. The small heat dissipation channels formed by the plurality of heat dissipation fins 211 extend from the air inlet end 212 to the air outlet end 213, thereby reducing the possibility of the air flow being blocked in the first heat dissipation channel 21, effectively ensuring the air flow in the first heat dissipation channel 21, further improving the heat dissipation efficiency on the surface of the heat dissipation fins 211, and further improving the heat dissipation effect of the electric control box 2. Among them, the surface of the heat dissipation fins 211 is configured as a wavy surface, thereby further increasing the effective heat dissipation area of the heat dissipation fins 211 and improving the heat dissipation effect of the electric control box 2. The first heat dissipation holes 23 face the sides of the plurality of heat dissipation fins 211, that is, the first heat dissipation holes 23 face the arrangement direction of the plurality of heat dissipation fins 211, that is, the first heat dissipation holes 23 face the largest area of the nearest heat dissipation fin 211. When the electric control box 2 catches fire due to overheating, the heat dissipation fins 211 can further block the spread of the flame, thereby further improving the use safety of the air conditioner.

[0059] Please refer to Figure 1 、 Figure 3 and Figure 7 In the embodiment of the present utility model, a wind guide cover 26 is provided on the outer periphery of the first heat dissipation hole 23, and the wind guide cover 26 abuts against the heat dissipation fin 211. Specifically, the wind guide cover 26 can further guide the air flow flowing out of the first heat dissipation hole 23 to the heat dissipation fin 211, so as to facilitate the control of the air flow direction. On the other hand, the wind guide cover 26 also has a certain blocking effect, thereby blocking the possibility of the gas in the first heat dissipation channel 21 flowing back into the first heat dissipation hole 23 and causing air flow disorder. In addition, the wind guide cover 26 abuts against the heat dissipation fin 211, which helps to jointly enclose a relatively closed channel with the heat dissipation fin 211, further controlling the spread of the flame of the electric control box 2 and reducing the possibility of the flame leaking out from the gap between the wind guide cover 26 and the heat dissipation fin 211.

[0060] To facilitate the processing of the housing 22, the housing 22 includes an insulating shell 221 and a fireproof shell 222 covering the outside of the insulating shell 221. The air scoop 26 is integrally formed with the insulating shell 221, and the fireproof shell 222 is provided with a clearance opening 223 for the air scoop 26 to adapt and extend. Specifically, because the insulating shell 221 is generally made of plastic, the insulating shell 221 can be integrally injection molded with the air scoop 26, thereby facilitating the processing and assembly of the housing 22. The fireproof shell 222 is provided with a clearance opening 223 that adapts thereto, thereby facilitating the extension of the air scoop 26 from the fireproof shell 222. Compared to the case where the air scoop 26 is provided in the fireproof shell 222, this method not only facilitates the installation of the housing 22, but also reduces the possibility of airflow entering between the fireproof shell 222 and the insulating shell 221. In other embodiments, the air scoop 26 can also be provided in the fireproof shell 222, and the air scoop 26 can be integrally stamped and formed with the fireproof shell 222. In other embodiments, the air guide cover 26 may also be formed separately from the insulating shell 221, and the two may be fixed by snapping or bonding.

[0061] In an embodiment of the present invention, the power device includes a circuit board 291 positioned between the first and second heat dissipation holes, and a first power device positioned near the first heat dissipation channel 21. A second power device is positioned on the circuit board 291 near the first heat dissipation hole 23. Specifically, the circuit board 291 is positioned between the first and second heat dissipation holes 23 and 24, i.e., the circuit board 291 is positioned on the heat dissipation path within the electrical control box 2. Furthermore, the circuit board 291 is positioned near the first heat dissipation hole 23. Positioning the second power device near the first heat dissipation hole 23 allows heat to be dissipated both through the radiator within the first heat dissipation channel 21 and through the first heat dissipation hole 23, thereby rapidly dissipating heat from the large capacitor. Positioning the first power device near the first heat dissipation channel 21 within the electrical control box 2 effectively dissipates heat from the electrical control box 2, reducing the possibility of overheating and combustion.

[0062] The first power device and the second power device are both power devices with relatively large power consumption in the electric control box 2 , such as a frequency conversion module, a rectifier bridge, a large inductor, a filter, a large DC filter capacitor, and the like.

[0063] See also Figure 1 、 Figure 2 、 Figure 9 and Figure 10, in an embodiment of the present utility model, a first avoidance step 27 is formed on one side of the housing 22 facing the mounting member 1. The mounting member 1 includes a support plate 11 and a mounting plate 12 arranged at an angle. The housing 22 is mounted on the support plate 11. The first avoidance step 27, the mounting plate 12, and a part of the support plate 11 enclose a first heat dissipation channel 21. Specifically, the support plate 11 and the mounting plate 12 are arranged at an angle. The support plate 11 is usually horizontally placed above the heat exchanger 3. The mounting plate 12 is provided at one end of the support plate 11, and the mounting plate 12 is spaced apart from the electric control box 2. The outer wall of the electric control box 2, the mounting plate 12, and a part of the support plate 11 enclose the first heat dissipation channel 21, so that the radiator is arranged in the first heat dissipation channel 21, thereby dissipating heat from the side wall of the electric control box 2 facing the mounting plate 12. The air outlet end 213 of the first heat dissipation channel 21 can be directly configured to be arranged at the air outlet of the support plate 11, so that the air outlet is arranged towards the air inlet side 41 of the fan assembly 4, thereby reducing the flow path from the first heat dissipation channel 21 to the air inlet side 41 of the fan assembly 4 and facilitating the formation of the first air inlet channel. The air inlet end 212 of the first heat dissipation channel 21 can be configured with multiple air inlets. The multiple air inlets are respectively arranged on the support plate 11, the mounting plate 12, and the air inlets are formed by the enclosure of the electric control box 2, the mounting plate 12, and the support plate 11, that is, air inlets are arranged on both the side wall and the bottom wall of the heat dissipation cavity, which not only increases the number of air inlets but also increases the air inlet paths, thereby ensuring the air flow rate flowing through the first heat dissipation channel 21.

[0064] Further, support ribs 13 are provided on the support plate 11. The support ribs 13 abut against the electric control box 2, so that the electric control box 2 is spaced apart from the support plate 11. A second avoidance step 28 is provided on the side of the housing 22 facing the support plate 11, and the second heat dissipation holes 24 are arranged on the second avoidance step 28.

[0065] Specifically, to further increase the heat dissipation effect of the electric control box 2, support ribs 13 are provided on the support plate 11, and multiple support ribs 13 extend along the extension direction of the first heat dissipation channel 21. The multiple support ribs 13, the support plate 11, and the electric control box 2 together form a second heat dissipation channel. The air inlet end 212 of the second heat dissipation channel communicates with the main air inlet, and the air outlet end 213 communicates with the air outlet end 213 of the first heat dissipation channel 21, thereby increasing the air flow velocity on the side wall surface of the electric control box 2 facing the support plate 11, further increasing the heat dissipation area of the electric control box 2, and increasing the heat dissipation efficiency of the electric control box 2.

[0066] Moreover, a second avoidance step 28 is provided on the side of the housing 22 facing the support plate 11, and the second heat dissipation holes 24 are provided in the second avoidance step 28. Such that the air flow entering the second heat dissipation channel from the air inlet of the air conditioner, a part of it flows along the second heat dissipation channel to the air outlet end 213 of the first heat dissipation channel 21, and another part enters the accommodation space 29, thereby improving the heat dissipation effect of the electronic control box 2, and the second heat dissipation step can further increase the heat dissipation area on the side of the housing 22 facing the support plate 11, thus improving the heat dissipation efficiency of the electronic control box 2. Among them, the first avoidance step 27 and the second avoidance step 28 can both be formed by using the remaining space inside the electronic control box 2, so as to increase the heat dissipation area of the electronic control box 2 without increasing the overall volume of the electronic control box 2.

[0067] The above is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made under the technical concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An air conditioner, characterized in that, include: A mounting member provided on the air conditioner; as well as An electric control box is arranged in the air conditioner and is enclosed with the mounting member to form a first heat dissipation channel. The electric control box includes a shell and a power device. An accommodating space is formed in the shell. The power device is arranged in the accommodating space. The shell has a first side facing the first heat dissipation channel and a second side facing different from the first side. The first side is provided with a first heat dissipation hole, the second side is provided with a second heat dissipation hole, and the second heat dissipation hole is connected to the first heat dissipation hole through the accommodating space.

2. The air conditioner according to claim 1, characterized in that, The shell includes an insulating shell and a fireproof shell covering the outside of the insulating shell. The second heat dissipation hole is provided in the fireproof shell. A heat dissipation structure is provided on the insulating shell. The heat dissipation structure can connect the accommodating space and the second heat dissipation hole. At least part of the power device is arranged close to the heat dissipation structure.

3. The air conditioner according to claim 2, characterized in that The heat dissipation structure is configured as a heat dissipation slot provided on the insulating shell, and the heat dissipation slot has a first opening toward the accommodating space and a second opening toward the fireproof shell, and the second opening is connected to the second heat dissipation hole.

4. The air conditioner according to claim 3, characterized in that, The heat dissipation structure and the second opening are oriented in different directions, and a local gap is provided between the insulating shell and the fireproof shell so that the heat dissipation structure is connected to the second heat dissipation hole.

5. The air conditioner according to claim 3, characterized in that, The second heat dissipation hole and the second opening have the same orientation and are staggered. A local gap is provided between the insulating shell and the fireproof shell so that the second opening is connected to the second heat dissipation hole.

6. The air conditioner according to claim 4 or 5, characterized in that, A portion of the insulating shell is provided with an avoidance sunken platform recessed toward the interior of the electric control box, and the avoidance sunken platform extends from the second opening to the second heat dissipation hole.

7. The air conditioner according to claim 1, characterized in that A radiator is provided in the first heat dissipation channel, and the first heat dissipation hole is arranged toward the radiator.

8. The air conditioner according to claim 7, characterized in that, The heat sink is configured as a plurality of heat dissipation fins arranged at intervals, and the heat dissipation fins extend along the extension direction of the first heat dissipation channel, and the first heat dissipation holes are arranged toward the sides of the plurality of heat dissipation fins.

9. The air conditioner according to claim 8, wherein, An air guide cover is provided on the outer periphery of the first heat dissipation hole, and the air guide cover abuts against the heat dissipation fins.

10. The air conditioner according to claim 9, characterized in that, The shell includes an insulating shell and a fireproof shell covering the outer side of the insulating shell. The air guide cover is integrally formed with the insulating shell. The fireproof shell is provided with a clearance opening for the air guide cover to be adapted and extended.

11. The air conditioner according to claim 6, characterized in that, The power device includes a circuit board located between the first heat dissipation hole and the second heat dissipation hole, and a first power device close to the first heat dissipation channel. The circuit board is provided with a second power device close to the first heat dissipation hole.

12. The air conditioner according to any one of claims 1 to 11, characterized in that, A first avoidance step is formed on the side of the shell facing the mounting member. The mounting member includes a support plate and a mounting plate arranged at an angle. The shell is installed on the support plate. The first avoidance step, the mounting plate and part of the support plate together form the first heat dissipation channel.

13. The air conditioner according to claim 12, characterized in that, The support plate is provided with a supporting rib, the supporting rib abuts against the electric control box and spaced apart from the support plate, and a second avoidance step is provided on a side of the shell facing the support plate, and the second heat dissipation hole is provided on the second avoidance step.

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