Heat dissipation structure, shell and air conditioning equipment

Abstract

The application relates to a heat dissipation structure, a shell and air conditioning equipment. The heat dissipation structure comprises a return air passage and an electric control module, and the electric control module is arranged in the interior of the return air passage. The electric control module comprises a first electric control assembly and a second electric control assembly which are movably connected, so as to realize at least partial projection coincidence of the first electric control assembly and the second electric control assembly on the passage section of the return air passage. The heat dissipation structure provided by the application arranges the electric control module in the interior of the return air passage, so that the electric control module is located on the return air side of the air conditioning equipment. When the air flow passes through the return air passage, the heat generated by the electric control module can be taken away, and the condensation phenomenon of the electric control module is avoided. The first electric control assembly and the second electric control assembly are movably connected, and the two can be relatively moved to the at least partial projection coincidence state, so that the wind blocking area of the whole electric control module in the interior of the return air passage can be reduced, the cooling effect of the electric control module is realized, and the air inlet effect of the return air passage is ensured.

Description

Technical Field

[0001] This application relates to the field of air conditioning equipment technology, and in particular to a heat dissipation structure, housing, and air conditioning equipment. Background Technology

[0002] Electrical boxes are core components of electrical equipment such as air conditioners, undertaking key functions such as electrical control, safety protection, and signal processing.

[0003] During operation, the internal components of the electrical box continuously generate heat, causing the box temperature to rise due to heat accumulation. If heat is not dissipated in time, it will affect the lifespan of the internal components and increase the risk of damage to the internal circuitry.

[0004] In existing air conditioning equipment, the electrical box is usually located on the air outlet side. The airflow blowing out from the air outlet cools the electrical box. When the air conditioning equipment is in cooling mode, due to the large temperature difference between the cooling airflow and the electrical box, when the cooling airflow comes into contact with the warmer air around the electrical box, the water vapor in the air will condense into water droplets and adhere to the inside and outside surfaces of the electrical box. This can easily lead to condensation in the electrical box, thereby increasing the risk of damage to the internal circuitry. Utility Model Content

[0005] This application provides a heat dissipation structure, housing, and air conditioning equipment to solve the technical problem in the prior art that when cooling the electrical box, condensation is likely to occur in the electrical box, thereby increasing the risk of damage to the circuits inside the electrical box.

[0006] In a first aspect, this application provides a heat dissipation structure, including:

[0007] Return air duct;

[0008] An electronic control module is disposed inside the return air duct; the electronic control module includes a first electronic control component and a second electronic control component that are movably connected, so as to achieve at least partial overlap of the projections of the first electronic control component and the second electronic control component on the cross-section of the return air duct.

[0009] Optionally, the first electronic control component and the second electronic control component are rotatably or slidably connected, and the second electronic control component is connected to the channel wall of the return air duct.

[0010] Optionally, the first electronic control component and the second electronic control component are rotatably connected. When the first electronic control component is rotated to the point where its length direction is parallel to the air inlet direction, the projections of the first electronic control component and the second electronic control component on the cross-section of the return air duct coincide.

[0011] Optionally, the electronic control module further includes a heat dissipation component, which is disposed on the first electronic control component and / or the second electronic control component.

[0012] Optionally, the electronic control module also includes a detachable connection component, which is used to fix the relative position between the first electronic control component and the second electronic control component.

[0013] Optionally, the return air duct wall has heat dissipation windows corresponding to the electronic control module.

[0014] Optionally, there may be multiple heat dissipation windows, which may be arranged opposite to and / or adjacent to the electronic control module.

[0015] Secondly, this application provides a housing, including the heat dissipation structure provided in the first aspect of this application, with a return air channel disposed inside the housing, and a first return air inlet and a second return air inlet provided on the surface of the housing, both of which are connected to the return air channel.

[0016] Optionally, the housing has a first side and a second side disposed opposite to each other, with a first return air inlet disposed on the first side of the housing and a second return air inlet disposed on the second side of the housing.

[0017] Optionally, the first return air vent is located on the rear side of the housing, and the electrical control module is positioned opposite to the first return air vent.

[0018] Thirdly, this application provides an air conditioning device, including the housing provided in the second aspect of this application, and also including a fan assembly, which is disposed inside the housing and is used to drive airflow to move in the return air duct.

[0019] Optionally, the air conditioning equipment also includes a heat exchanger and a drip tray, with the heat exchanger positioned above the drip tray and the electrical control module positioned below the drip tray, and at least part of the drip tray being configured as the channel wall of the return air duct.

[0020] Optionally, the electronic control module has a waterproof structure.

[0021] The technical solutions provided in this application have the following advantages compared with the prior art:

[0022] The heat dissipation structure provided in this application embodiment places the electronic control module inside the return air channel, so that the electronic control module is located on the return air side of the air conditioning equipment. During the operation of the air conditioning equipment, when the intake airflow passes through the return air channel, it can carry away the heat generated by the electronic control module. Since the intake airflow has not yet exchanged heat with the heat exchanger, the temperature difference between it and the electronic control module is small. When the intake airflow cools the electronic control module, it will not cause condensation on the electronic control module. While achieving efficient heat dissipation of the electronic control module, it can also prevent the risk of circuit damage to the electronic control module due to condensation.

[0023] The first and second electronic control components are movably connected, allowing them to move relative to each other until at least part of their projections overlap. This reduces the overall wind-blocking area of ​​the electronic control module within the return air duct, achieving cooling of the electronic control module while ensuring the air intake effect of the return air duct.

[0024] The housing and air conditioning equipment provided in this application include the above-mentioned heat dissipation structure. While cooling down the electronic control module on the return air side, it can avoid affecting the air intake effect of the return air channel. Therefore, it naturally possesses the technical effects of the above-mentioned heat dissipation structure. Attached Figure Description

[0025] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0028] Figure 1 Top view of the heat dissipation structure provided in the embodiments of this application Figure 1 ;

[0029] Figure 2 Top view of the heat dissipation structure provided in the embodiments of this application Figure 2 ;

[0030] Figure 3 Top view of the heat dissipation structure provided in the embodiments of this application Figure 3 ;

[0031] Figure 4 A front view of the electronic control module provided in an embodiment of this application;

[0032] Figure 5 A schematic diagram of the structure of the electronic control module provided in the embodiments of this application. Figure 1 ;

[0033] Figure 6 A schematic diagram of the structure of the electronic control module provided in the embodiments of this application. Figure 2 ;

[0034] Figure 7 Provided for the embodiments of this application Figure 6 Top view;

[0035] Figure 8 This is a schematic diagram of the structure of an air conditioning device provided in an embodiment of this application;

[0036] Figure 9 Cross-sectional view of the air conditioning equipment provided in the embodiments of this application. Figure 1 ;

[0037] Figure 10 Cross-sectional view of the air conditioning equipment provided in the embodiments of this application. Figure 2 ;

[0038] Figure 11 This is a schematic diagram of the structure of the air conditioning equipment provided in the embodiments of this application after removing the back panel. Figure 1 ;

[0039] Figure 12 This is a schematic diagram of the structure of the air conditioning equipment provided in the embodiments of this application after removing the back panel. Figure 2 ;

[0040] Figure 13 This is a partial structural diagram of an air conditioning device provided in an embodiment of this application.

[0041] Explanation of reference numerals in the attached figures:

[0042] 1. Return air duct; 11. First heat dissipation window; 12. Second heat dissipation window; 13. Third heat dissipation window;

[0043] 2. Electrical control module; 21. First electrical control component; 211. Housing; 212. Controller; 213. First connection hole; 22. Second electrical control component; 221. Mounting bracket; 222. Wiring assembly; 223. Second connection hole; 224. Third connection hole; 23. Heat dissipation assembly; 24. Connection assembly; 25. Waterproof structure; 26. Hinge assembly;

[0044] 3. Housing; 31. First return air vent; 32. Second return air vent; 33. Front panel; 34. Back panel; 35. First side panel; 36. Second side panel; 37. Top panel; 38. Bottom panel; 39. Air outlet;

[0045] 4. Fan assembly;

[0046] 5. Heat exchanger;

[0047] 6. Water tray. Detailed Implementation

[0048] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0049] The following disclosure provides numerous different embodiments or examples for implementing various structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0050] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0051] To address the technical problem that condensation is likely to occur in the electrical box during cooling in existing technologies, thereby increasing the risk of damage to the internal circuitry, this application provides a heat dissipation structure, a housing 3, and an air conditioning unit. This heat dissipation structure places the electronic control module 2 inside the return air duct 1, positioning it on the return air side of the air conditioning unit. During operation, when the incoming airflow passes through the return air duct 1, it can carry away the heat generated by the electronic control module 2, achieving cooling and preventing condensation on the module.

[0052] Please see Figures 1 to 13The first aspect of this application provides a heat dissipation structure, including a return air channel 1 and an electronic control module 2. The electronic control module 2 is disposed inside the return air channel 1 and can fully contact the incoming airflow inside the return air channel 1, such as... Figure 1 As shown ( Figure 1 The arrows in the image indicate the direction of the incoming airflow.

[0053] When the air conditioning unit is in operation, the intake airflow passes through the return air duct 1 and carries away the heat generated by the electronic control module 2 through airflow heat exchange, thus achieving air cooling of the electronic control module 2. Since the intake airflow has not yet exchanged heat with the heat exchanger 5 at this time, the temperature of the intake airflow is the same as the room temperature. When the electronic control module 2 is cooled by the intake airflow, it will not cause condensation of the hot air around the electronic control module 2. This achieves efficient heat dissipation of the electronic control module 2 and prevents the risk of circuit damage due to condensation.

[0054] The electronic control module 2 includes a first electronic control component 21 and a second electronic control component 22 that are movably connected, so as to achieve at least partial overlap of the projections of the first electronic control component 21 and the second electronic control component 22 on the channel cross section of the return air duct 1.

[0055] by Figure 1 Taking this as an example, the cross-section of the return air duct 1 is perpendicular to the direction of the incoming airflow (i.e., ...). Figure 1 (The arrow indicates the direction) A vertical cross-section. When the air conditioning unit is running, moving the first electronic control component 21 and the second electronic control component 22 relative to each other until at least part of their projections overlap reduces the overall wind-blocking area of ​​the electronic control module 2 inside the return air duct 1. This achieves the cooling effect of the electronic control module 2 while ensuring the air intake effect of the return air duct 1. Figures 1 to 3 As shown.

[0056] It should be noted that by disassembling the electronic control module 2 into a first electronic control component 21 and a second electronic control component 22 that are movably connected, various positional states can be formed through the relative movement between the first electronic control component 21 and the second electronic control component 22. When the first electronic control component 21 and the second electronic control component 22 are moved to a side-by-side arrangement, it facilitates the assembly and maintenance of components inside the first electronic control component 21 and the second electronic control component 22, such as... Figure 3 As shown; when the first electronic control component 21 and the second electronic control component 22 move relative to each other until their projections overlap, the obstruction of the air intake airflow by the electronic control module 2 can be reduced. This is applicable to the operation of the electronic control module 2 and the air conditioning equipment. Figure 1 As shown.

[0057] In some embodiments of this application, please refer to Figures 4 to 7The first electronic control component 21 and the second electronic control component 22 are rotatably or slidably connected. The first electronic control component 21 can be rotated or slid relative to the second electronic control component 22 to make the projections of the first electronic control component 21 and the second electronic control component 22 coincide on the channel section of the return air channel 1.

[0058] The second electronic control component 22 is connected to the channel wall of the return air duct 1, which enables the second electronic control component 22 to be fixedly installed inside the return air duct 1.

[0059] Specifically, the second electronic control component 22 can be used to install immovable electronic control elements, such as wiring components 222 for engineering wiring. Meanwhile, the first electronic control component 21 can house electronic control elements unaffected by its movement, such as controllers 212.

[0060] As a specific embodiment of this application, the second electrical control component 22 includes a mounting bracket 221 for mounting the wiring component 222. The bottom of the mounting bracket 221 is provided with a third connection hole 224 for fixed connection with the bottom channel wall of the return air duct 1. Figure 5 and Figure 6 As shown.

[0061] In the above embodiments, when the first electronic control component 21 and the second electronic control component 22 are slidably connected, even if the projections of the first electronic control component 21 and the second electronic control component 22 on the channel cross section of the return air channel 1 are completely superimposed (i.e. the two electronic control components are exactly the same size), the overall windproof area of ​​the electronic control module 2 can only be reduced by a maximum of 50%, and further numerical improvement cannot be achieved. When the size of the electronic control module 2 is set to be large in order to meet the installation requirements of the electronic control components, it is still necessary to consider how to further reduce the windproof area of ​​the electronic control module 2.

[0062] In some preferred embodiments of this application, the first electronic control component 21 and the second electronic control component 22 are rotatably connected. When the first electronic control component 21 is rotated until its length direction is parallel to the air inlet direction, the projections of the first electronic control component 21 and the second electronic control component 22 on the cross-section of the return air duct 1 coincide. At this time, the length of the first electronic control component 21 can be set sufficiently long to meet the installation requirements of the electronic control components, such that the length proportion of the first electronic control component 21 in the electronic control module 2 is greater than the length proportion of the second electronic control component 22 in the electronic control module 2. Figure 3 As shown ( Figure 3(The left and right directions in the middle are the length directions of the electronic control module 2). When the first electronic control module 2 is rotated to the point where its length direction is parallel to the air intake direction, the projections of the first electronic control component 21 and the second electronic control component 22 on the channel cross section of the return air channel 1 coincide, so that the first electronic control component 21 will not block the air intake airflow. Since the length of the first electronic control component 21 on the electronic control module 2 accounts for more than 50%, the wind-blocking area formed by the electronic control module 2 in the return air channel 1 can be greatly reduced.

[0063] In some embodiments of this application, please refer to Figures 1 to 7 The first electronic control component 21 is hinged to one side of the second electronic control component 22 via the hinge component 26. The length of the first electronic control component 21 is greater than the length of the second electronic control component 22, and the width of the first electronic control component 21 is less than or equal to the length of the second electronic control component 22. The length direction of the second electronic control component 22 is perpendicular to the air intake direction.

[0064] When the first electronic control component 21 rotates to coincide with the projection of the second electronic control component 22 on the cross section of the return air duct 1, the first electronic control component 21 is in a non-windproof position. The windproof area of ​​the electronic control module 2 in the return air duct 1 depends only on the projection area of ​​the second electronic control component 22 on the cross section of the return air duct 1, which can reduce the overall windproof area of ​​the electronic control module 2 to more than 50%.

[0065] In some embodiments of this application, please refer to Figures 1 to 7 The electronic control module 2 also includes a heat dissipation component 23, which is disposed on the first electronic control component 21 and / or the second electronic control component 22, so that the heat generated by the first electronic control component 21 and / or the second electronic control component 22 can be quickly dissipated to the return air channel 1 through the heat dissipation component 23.

[0066] In some embodiments of this application, please refer to Figures 4 to 7 Since the first electronic control component 21 contains a controller 212, which includes multiple power devices, it generates a large amount of heat. By connecting a heat dissipation component 23 with multiple heat dissipation fins to the first electronic control component 21, the heat dissipation area of ​​the first electronic control component 21 is greatly increased, thereby achieving efficient heat dissipation of the power components in the controller 212.

[0067] The heat dissipation component 23 can conduct the heat generated inside the housing 211 of the first electronic control component 21 to the surface, and then dissipate the heat into the return air channel 1 through natural convection or forced convection (such as by driving the airflow in the return air channel 1 through the fan component 4).

[0068] In some embodiments of this application, please refer to Figure 7The heat dissipation component 23 includes an IPM heat sink, which is used to achieve targeted heat dissipation for the IPM module (i.e., intelligent power module) to ensure that the power devices (such as IGBTs, MOSFETs, etc.), drive circuits, protection circuits and interface circuits in the IPM module can operate stably and reliably.

[0069] It should be noted that when the heat dissipation component 23 is provided on the first electronic control component 21, it is preferable to provide the heat dissipation component 23 along the length of the first electronic control component 21 on the back of the housing 211 to avoid affecting the assembly and maintenance of the electronic control components inside the first electronic control component 21.

[0070] When the first electronic control component 21 rotates to a non-wind-blocking position, the projection of the heat dissipation component 23 on the cross-section of the return air duct 1 coincides with the projection of the second electronic control component 22, as shown below. Figure 1 and Figure 7 As shown, to avoid setting up heat dissipation component 23, the overall wind-blocking area of ​​electronic control module 2 in return air channel 1 is increased.

[0071] In the above embodiment, when the electronic control module 2 is in Figure 1 and Figure 7 In the indicated state, to prevent the position of the first electronic control component 21 from changing due to airflow disturbance as the incoming airflow passes through, the position of the first electronic control component 21 needs to be fixed. Specifically, the first electronic control component 21 can be connected to the channel wall of the return air channel 1, or the first electronic control component 21 and the second electronic control component 22 can be connected, both of which can achieve the purpose of this application.

[0072] In some embodiments of this application, please refer to Figure 5 and Figure 6 The electronic control module 2 also includes a detachable connecting component 24. The connecting component 24 is used to fix the relative position between the first electronic control component 21 and the second electronic control component 22. This can prevent the first electronic control component 21 from changing position under the impact of the air intake airflow, thereby affecting the overall windproof area of ​​the electronic control module 2 inside the return air channel 1 and preventing the first electronic control component 21 from being damaged during the swinging process.

[0073] In some embodiments of this application, please refer to Figure 5 and Figure 6 The first electronic control component 21 is provided with a first connection hole 213, and the second electronic control component 22 is provided with a second connection hole 223. The connecting component 24 is connected to the first connection hole 213 and the second connection hole 223 respectively, thereby realizing a detachable connection between the first electronic control component 21 and the second electronic control component 22. The connection method can be threaded connection, snap-fit ​​connection, etc., that is, the connecting component 24 can include screws or snap-fit ​​pins and other components.

[0074] In some embodiments of this application, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 13 The return air duct 1 has heat dissipation windows on its duct wall that correspond to the electronic control module 2. When the incoming airflow moves in the return air duct 1, it will generate a negative pressure at the heat dissipation window, thereby drawing in the air outside the heat dissipation window and forming a heat dissipation air field around the electronic control module 2, thus achieving efficient heat dissipation of the electronic control module 2.

[0075] In some embodiments of this application, in order to prevent external dust and other impurities from entering the interior of the return air channel 1 through the heat dissipation window, a dust filter is provided on the heat dissipation window to prevent dust from entering the interior of the return air channel 1 and adhering to the electronic control module 2, thereby affecting the performance of the electronic control module 2.

[0076] It should be noted that the number of heat dissipation windows can be set to one or more, and their number and location can be determined according to the installation position of the electronic control module 2 inside the return air channel 1. As long as a heat dissipation air field can be formed around the electronic control module 2, the purpose of this application can be achieved.

[0077] In some embodiments of this application, please refer to Figure 13 The device has multiple heat dissipation windows, which are positioned opposite to and / or adjacent to the electronic control module 2. These windows create multi-angle and multi-directional airflow around the electronic control module 2, forming a multi-directional heat dissipation airflow field through multi-directional air intake. This achieves multi-directional cooling of the electronic control module 2, preventing localized overheating and ensuring that the heat generated by the electronic control module 2 can be dissipated quickly and evenly, thereby improving the stability and lifespan of the electronic control module 2.

[0078] In some embodiments of this application, please refer to Figure 13 Multiple heat dissipation windows are respectively opened on different channel walls of return air channel 1, and have different orientations relative to the electronic control module 2.

[0079] Specifically, the multiple heat dissipation windows include a first heat dissipation window 11, a second heat dissipation window 12, and a third heat dissipation window 13. The first heat dissipation window 11 is arranged adjacent to the electronic control module 2 and is located at the bottom of the return air channel 1 to form a heat dissipation airflow in the vertical direction. The second heat dissipation window 12 is arranged opposite to the electronic control module 2 and is located on the right side of the electronic control module to form a heat dissipation airflow in the horizontal direction. The third heat dissipation window 13 is arranged opposite to the electronic control module 2 to form a heat dissipation airflow in the front-back direction. Through the cooperation of the first heat dissipation window 11, the second heat dissipation window 12, and the third heat dissipation window 13, a multi-directional heat dissipation airflow can be formed around the electronic control module 2.

[0080] Please see Figures 1 to 13The second aspect of this application provides a housing 3 including the heat dissipation structure described in the above embodiments. A return air channel 1 is disposed inside the housing 3. The housing 3 is enclosed by a front plate 33, a back plate 34, a first side plate 35, a second side plate 36, a top plate 37, and a bottom plate 38. A portion of the housing 3 is configured as the channel wall of the return air channel 1 to facilitate the flow of incoming air within the housing 3. Figure 8 , Figure 9 and Figure 10 As shown.

[0081] The surface of the housing 3 is provided with a first return air inlet 31 and a second return air inlet 32. Both the first return air inlet 31 and the second return air inlet 32 ​​are connected to the return air channel 1. Different return air inlets can be selected for return air as needed. Both can drive the airflow inside the return air channel 1, thereby achieving reliable heat dissipation of the electronic control module 2 through heat exchange between the incoming airflow and the electronic control module 2.

[0082] In some embodiments of this application, please refer to Figure 9 and Figure 10 The housing 3 has a first side and a second side arranged opposite to each other. The first return air inlet 31 is located on the first side of the housing 3, and the second return air inlet 32 ​​is located on the second side of the housing 3. It can be used to realize air intake from both sides of the housing 3. The air conditioning equipment can select one or two of them as return air inlets according to the installation position or operating mode of the housing 3, which can achieve more efficient and more comfortable air conditioning, especially in complex space environments.

[0083] Specifically, the first return air inlet 31 and the second return air inlet 32 ​​can be respectively set on the front and rear sides, left and right sides or top and bottom sides of the housing 3, and the orientation of the return air inlets can be determined according to the layout requirements of the housing 3.

[0084] In some embodiments of this application, please refer to Figures 8 to 12 The first return air vent 31 is located on the rear side of the housing 3, serving as the rear return air vent of the housing 3. Correspondingly, the second return air vent 32 is located on the front side of the housing 3, serving as the front return air vent of the housing 3, which can meet both front and rear return air requirements.

[0085] The electronic control module 2 is positioned opposite to the first return air vent 31 to facilitate assembly and maintenance of the electronic control module 2 from the first return air vent 31.

[0086] Specifically, the first electronic control component 21 is rotated to Figure 11 The state shown allows the first electronic control component 21 and the second electronic control component 22 to face the outside of the first return air vent 31, making it easier for operators to inspect or install and debug the electronic control module 2.

[0087] In some embodiments of this application, a detachable air intake grille is provided at both the first return air inlet 31 and the second return air inlet 32 ​​for filtering the incoming airflow.

[0088] In some embodiments of this application, both the first return air inlet 31 and the second return air inlet 32 ​​have movable covers, which can be used to control the opening and closing of the first return air inlet 31 and the second return air inlet 32 ​​according to the return air method.

[0089] In some embodiments of this application, please refer to Figure 9 The electronic control module 2 is located on the return air duct 1 between the first return air inlet 31 and the second return air inlet 32. When the air conditioning equipment adopts the rear return air mode, the second return air inlet 32 ​​on the front side of the housing 3 is closed, and the first return air inlet 31 on the rear side of the housing 3 is opened, and the air intake airflow follows... Figure 9 The arrow in the diagram indicates the direction of movement. When the air intake passes through the return air channel 1, it will also carry away the heat generated by the electronic control module 2.

[0090] When the air conditioning unit adopts the front return air mode, the first return air vent 31 on the rear side of the housing 3 is closed, and the second return air vent 32 on the front side of the housing 3 is opened, and most of the incoming airflow follows the direction of the return air. Figure 10 The solid arrow in the image enters the housing 3, simultaneously generating a negative pressure return airflow around the electronic control module 2. This causes a portion of the intake airflow to enter the housing 3 through the heat dissipation windows around the electronic control module 2, forming a heat dissipation airflow field around the electronic control module 2 and extending along... Figure 10 The dotted arrow in the middle merges into the airflow entering from the second return air inlet 32.

[0091] It should be noted that by connecting the return air channel 1 to both the first return air inlet 31 and the second return air inlet 32, this application enables the electronic control module 2 to achieve good heat dissipation whether air is drawn in through the first return air inlet 31 or the second return air inlet 32.

[0092] In some embodiments of this application, please refer to Figure 13 The electronic control module 2 is located in the edge area of ​​the return air duct 1, specifically near the first side plate 35 or the second side plate 36 of the housing 3. This is because the air intake volume in the central area of ​​the return air duct 1 is larger than that in the edge area. By placing the electronic control module 2 in the edge area of ​​the return air duct 1, the impact of the electronic control module 2 on the air intake volume of the return air duct can be reduced, thus avoiding an increase in energy consumption during the operation of the air conditioning equipment.

[0093] As a specific embodiment of this application, please refer to Figure 11 and Figure 13The electronic control module 2 is located near the first side plate 35. The first heat dissipation window 11, the second heat dissipation window 12 and the third heat dissipation window 13 are respectively opened on the bottom plate 38, the first side plate 35 and the front plate 33 of the housing 3, so as to form a multi-directional heat dissipation air field around the electronic control module 2 to dissipate heat from the electronic control module 2.

[0094] Please see Figures 1 to 13 The third aspect of this application provides an air conditioning device, including the housing 3 described in the above embodiments, and also including a fan assembly 4. The fan assembly 4 is disposed inside the housing 3 and is used to drive airflow to move in the return air channel 1. By using the return air negative pressure, a heat dissipation air field is formed around the electronic control module 2, thereby realizing the airflow drive inside the air conditioning device while solving the heat dissipation problem of the electronic control module 2.

[0095] In some embodiments of this application, please refer to Figures 8 to 13 The air conditioning equipment also includes a heat exchanger 5 and a water collection pan 6. The heat exchanger 5 is located above the water collection pan 6. The water collection pan 6 collects the condensate generated by the heat exchanger 5 during the heat exchange process and ensures that the condensate can be discharged in an orderly manner to avoid water accumulation or leakage inside the casing 3.

[0096] The electrical control module 2 is located below the water receiving tray 6, which can prevent water droplets condensed on the surface of the heat exchanger 5 from dripping directly onto the electrical control module 2, thus preventing the electrical control module 2 from short-circuiting and being damaged due to water ingress.

[0097] At least a portion of the water tray 6 is configured as a channel wall of the return air duct 1. When air is introduced through the first return air inlet 31, the incoming airflow can flow within the return air duct 1 formed by the water tray 6 and the plates of the housing 3 (i.e., the bottom plate 38, the first side plate 35, the second side plate 36, etc.). Figure 9 As shown.

[0098] In some embodiments of this application, please refer to Figure 9 and Figure 10 The rear side of the water tray 6 is attached to the back panel 34, and the front side of the water tray 6 has a preset distance from the front panel 33, which is used to form an L-shaped return air channel 1 inside the housing 3, thereby realizing the connection between the return air channel 1 and the first return air inlet 31 and the second return air inlet 32. When the air conditioning equipment adopts the front return air mode, the first return air inlet 31 is in the closed state. Since the second return air inlet 32 ​​is connected to the return air channel 1, when the incoming airflow enters from the second return air inlet, it can form a heat dissipation air field at the heat dissipation window through the return air negative pressure inside the return air channel 1, effectively dissipating heat for the electronic control module 2.

[0099] In some embodiments of this application, please refer to Figure 5 and Figure 6To further improve the waterproof performance of the electronic control module 2, the electronic control module 2 is equipped with a waterproof structure 25, which can effectively prevent water in the water receiving pan 6 from splashing onto the electronic control module 2 and causing damage to its internal electronic control components during after-sales maintenance and cleaning of the heat exchanger 5.

[0100] In some embodiments of this application, please refer to Figure 5 and Figure 6 The waterproof structure 25 can be a waterproof cover, waterproof shield, or other components used to achieve waterproof protection for the electrical control components (such as controller 212) inside the electrical control module 2.

[0101] As a specific embodiment of this application, the waterproof structure 25 includes a protective cover that is sealed to the housing 211 of the first electronic control component 21, which can prevent water droplets from entering the interior of the housing 211 and achieve waterproof protection for electronic control components such as the controller 212 inside the housing 211.

[0102] In some embodiments of this application, please refer to Figure 8 , Figure 9 and Figure 10 In some embodiments of this application, the air conditioning equipment is a high-capacity air-cooled cabinet (i.e., a high-power air-cooled refrigeration equipment), which can be installed in large places such as factory workshops, stadiums, shopping malls, agricultural greenhouses, and grain depots to achieve temperature regulation inside the above-mentioned places.

[0103] The housing 3 is the housing 3 of the indoor unit of the air-cooled air conditioner. The top plate 37 of the housing 3 is provided with an air outlet 39 for outputting the air after heat exchange, thereby realizing the regulation of indoor air temperature.

[0104] Taking a production workshop as an example, if the workshop has a large interior space, the indoor unit of the air-cooled air conditioner can be placed directly inside the workshop and operated in either a front return air mode or a rear return air mode. If the workshop has a limited interior space, the indoor unit of the air-cooled air conditioner needs to be placed in the aisle outside the workshop, and the first return air vent 31 and the air outlet 39 need to be connected to the interior of the workshop and operated in a rear return air mode.

[0105] In both of the above situations, while adjusting the indoor temperature, the heat of the electronic control module 2 can be removed by the airflow inside the return air duct 1, thereby achieving efficient and reliable heat dissipation of the electronic control module 2.

[0106] Please see Figures 1 to 13 In some embodiments of this application, the heat dissipation process of the electronic control module 2 inside the air conditioning equipment is as follows:

[0107] Step 1: Before operating the air conditioning unit, rotate the first electronic control component 21 until its projection on the cross-section of the return air duct 1 coincides with that of the second electronic control component 22, minimizing the wind-blocking area of ​​the electronic control module 2 in the return air duct 1. Figure 9 , Figure 10 and Figure 12 As shown.

[0108] Step 2: When the air conditioning unit adopts the rear return air mode, the incoming airflow enters the return air duct 1 from the first return air inlet 31, passes through the gap between the water tray 6 and the front panel 33, exchanges heat with the heat exchanger 5 under the drive of the fan assembly 4, and is finally output through the air outlet 39. During the operation of the air conditioning unit, the electronic control module 2 can be cooled by the incoming airflow below the water tray 6.

[0109] When the air conditioning equipment adopts the front return air mode, under the drive of the fan assembly 4, the incoming airflow enters the casing 3 from the second return air inlet 32 ​​for heat exchange and output. At the same time, a return air negative pressure is generated inside the return air channel 1, which causes a small part of the airflow to enter from the heat dissipation window to form a heat dissipation air field, thereby achieving heat dissipation of the electronic control module 2.

[0110] Step 3: When maintenance of the electronic control module 2 is required, open the air inlet grille at the first return air vent 31, remove the connecting assembly 24, and rotate the first electronic control assembly 21 to face the outside of the first return air vent 31. At this time, both the first electronic control assembly 21 and the second electronic control assembly 22 are facing outwards. Figure 11 As shown, this facilitates maintenance and debugging.

[0111] After debugging, return the first electronic control component 21 to its original position. Figure 12 As shown, it is fixed by the connecting component 24 to reduce the wind-blocking area of ​​the electronic control module 2 inside the return air duct 1.

[0112] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0113] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0114] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A heat dissipation structure, characterized in that, include: Return air duct (1); An electronic control module (2) is disposed inside the return air duct (1); The electronic control module (2) includes a first electronic control component (21) and a second electronic control component (22) that are movably connected, so as to achieve at least partial overlap of the projections of the first electronic control component (21) and the second electronic control component (22) on the channel cross section of the return air duct (1).

2. The heat dissipation structure according to claim 1, characterized in that, The first electronic control component (21) is rotatably connected or slidably connected to the second electronic control component (22), and the second electronic control component (22) is connected to the channel wall of the return air channel (1).

3. The heat dissipation structure according to claim 1, characterized in that, The first electronic control component (21) is rotatably connected to the second electronic control component (22). When the first electronic control component (21) is rotated to the point where its length direction is parallel to the air inlet direction, the projections of the first electronic control component (21) and the second electronic control component (22) on the channel cross section of the return air channel (1) coincide.

4. The heat dissipation structure according to claim 1, characterized in that, The electronic control module (2) further includes a heat dissipation component (23), which is disposed on the first electronic control component (21) and / or the second electronic control component (22).

5. The heat dissipation structure according to claim 1, characterized in that, The electronic control module (2) also includes a detachable connection component (24), which is used to fix the relative position between the first electronic control component (21) and the second electronic control component (22).

6. The heat dissipation structure according to any one of claims 1 to 5, characterized in that, The return air duct (1) has heat dissipation windows on its duct wall that correspond to the electronic control module (2).

7. The heat dissipation structure according to claim 6, characterized in that, The number of heat dissipation windows is multiple, and the multiple heat dissipation windows are arranged opposite to and / or adjacent to the electronic control module (2).

8. A housing (3), characterized in that, The heat dissipation structure includes any one of claims 1 to 7, wherein the return air channel (1) is disposed inside the housing (3), and the surface of the housing (3) is provided with a first return air inlet (31) and a second return air inlet (32), and both the first return air inlet (31) and the second return air inlet (32) are connected to the return air channel (1).

9. The housing (3) according to claim 8, characterized in that, The housing (3) has a first side and a second side arranged opposite to each other. The first return air inlet (31) is located on the first side of the housing (3), and the second return air inlet (32) is located on the second side of the housing (3).

10. The housing (3) according to claim 8, characterized in that, The first return air vent (31) is located on the rear side of the housing (3), and the electronic control module (2) is located opposite to the first return air vent (31).

11. An air conditioning device, characterized in that, The device includes the housing (3) as described in any one of claims 8 to 10, and also includes a fan assembly (4) disposed inside the housing (3) for driving airflow to move in the return air passage (1).

12. The air conditioning equipment according to claim 11, characterized in that, It also includes a heat exchanger (5) and a water receiving pan (6), the heat exchanger (5) being disposed above the water receiving pan (6), the electrical control module (2) being disposed below the water receiving pan (6), and at least part of the water receiving pan (6) being configured as the channel wall of the return air channel (1).

13. The air conditioning equipment according to claim 12, characterized in that, The electronic control module (2) is equipped with a waterproof structure (25).

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