Electric control heat dissipation structure of air conditioner

Abstract

The invention relates to the technical field of air conditioners, in particular to an air conditioner electric control heat dissipation structure which comprises an electric control box, an electric control plate and an electric control mounting plate, the electric control mounting plate is fixedly mounted in the electric control box, the electric control box is divided into an upper cavity and a lower cavity which are mutually independent through the electric control mounting plate, and the electric control plate is mounted at the top of the electric control mounting plate; a first air inlet and a first air outlet which are located above the electric control mounting plate are formed in the two sides of the electric control box correspondingly, the first air inlet, the upper cavity and the first air outlet are sequentially communicated to form a first air duct, a second air inlet and a second air outlet are formed in the bottom of the electric control box, and the second air inlet, the lower cavity and the second air outlet are sequentially communicated to form a second air duct; the first air inlet and the second air inlet are located in one side of the electric control box, and the first air outlet and the second air outlet are located in the other side of the electric control box. Physical isolation and airflow-free cross operation of the double air channels are achieved, and the heat dissipation adaptability and the overall heat dissipation efficiency in a narrow space are greatly improved.

Description

Technical Field

[0001] This invention relates to the technical field of air conditioning, and more specifically, to an air conditioning electronically controlled heat dissipation structure. Background Technology

[0002] As the core control unit of various electrical equipment such as air conditioners, the electrical control box generates a large amount of heat during continuous operation. The operational stability and lifespan of electronic components are highly sensitive to ambient temperature. If the heat inside the electrical control box cannot be dissipated in a timely and efficient manner, the temperature inside the box will accumulate and rise, which will not only reduce the operational reliability of the electrical control system, but may also accelerate the aging of electronic components and even cause malfunctions, seriously affecting the normal use of the entire equipment.

[0003] To address the heat dissipation problem of the control box, two main heat dissipation solutions have emerged in the existing technology: one is a single refrigerant heat dissipation solution, which involves filling the heat sink with refrigerant and using the heat exchange characteristics of the refrigerant to remove the heat transferred from the control board to the heat sink, thus achieving heat transfer and dissipation; the other is a single air-cooling heat dissipation solution, whose core principle is to remove the heat inside the control box by means of airflow. This usually requires the installation of an independent air duct, with a fan driving the airflow through the air duct to complete the heat exchange with the inside of the control box.

[0004] However, the aforementioned existing technologies have obvious limitations: for single refrigerant heat dissipation solutions, the heat dissipation efficiency depends on the heat exchange efficiency between the refrigerant and the heat sink. Relying solely on the heat conduction and diffusion capabilities of the refrigerant itself, the heat dissipation effect is limited and it is difficult to meet the heat dissipation requirements under high load conditions. For single air-cooled heat dissipation solutions, the setting of independent air ducts requires a certain amount of space. As air conditioning equipment develops towards miniaturization and compactness, the internal space of the electrical control box is becoming increasingly limited, severely restricting the layout and design of the air ducts. Moreover, the heat dissipation effect depends entirely on the continuous operation of the fan, which not only has high energy consumption but also carries the risk of heat dissipation failure due to fan malfunction.

[0005] In addition, some existing technologies attempt to optimize heat dissipation using a dual-airflow structure, but such solutions fail to achieve truly independent operation of the two airflows. The airflow paths are prone to crossing or interfering with each other, which not only fails to fully utilize the heat dissipation gain effect of the dual airflows, but may also reduce the overall heat dissipation efficiency due to airflow turbulence, making it difficult to meet the high-efficiency heat dissipation requirements of the electrical control box in a confined space. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide an air conditioning electronic control heat dissipation structure that achieves physical isolation of the dual air ducts and operation without cross-flow of air. This avoids the decrease in heat dissipation efficiency caused by airflow interference and makes full use of the internal space layout of the electronic control box, greatly improving the heat dissipation adaptability and overall heat dissipation efficiency in a small space.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: An air conditioning electronically controlled heat dissipation structure is provided, including an electronic control box, an electronic control board, and an electronic control mounting plate. The electronic control mounting plate is fixedly installed inside the electronic control box, and the electronic control box is divided into an independent upper cavity and a lower cavity by the electronic control mounting plate. The electronic control board is installed on the top of the electronic control mounting plate. A first air inlet and a first air outlet are respectively opened on both sides of the electronic control box, located above the electronic control mounting plate. The first air inlet, the upper cavity, and the first air outlet are sequentially connected to form a first air duct. A second air inlet and a second air outlet are opened at the bottom of the electronic control box. The second air inlet, the lower cavity, and the second air outlet are sequentially connected to form a second air duct. The first air inlet and the second air inlet are located on one side of the electronic control box, and the first air outlet and the second air outlet are located on the other side of the electronic control box.

[0008] The air conditioning electronic control heat dissipation structure of the present invention divides the electronic control box into independent upper and lower cavities through an electronic control mounting plate. With the first and second air inlets on the same side and the corresponding first and second air outlets on the other side, independent first and second air ducts are formed respectively. This achieves physical isolation of the two air ducts and no cross-flow of air. It avoids the decrease in heat dissipation efficiency caused by airflow interference and makes full use of the internal space layout of the electronic control box. The first air duct in the upper cavity can directly provide air cooling for the electronic control board installed on the top of the electronic control mounting plate, while the second air duct in the lower cavity provides an additional heat dissipation path. The design of the inlet and outlet on both sides makes the airflow path smoother and greatly improves the heat dissipation adaptability and overall heat dissipation efficiency in a small space.

[0009] Furthermore, a guide vane is installed at the second air outlet. This effectively regulates the airflow direction of the second air duct, preventing airflow from spreading or becoming turbulent at the outlet, reducing the possibility of heat flowing back into the lower cavity, and enhancing the airtightness of the second air duct. This prevents unrelated external airflow from intruding and interfering with the heat dissipation airflow within the duct, ensuring the stable performance of the second air duct's heat dissipation effect and further improving the reliability of the dual-air duct synergistic heat dissipation.

[0010] Furthermore, it also includes a heat pipe assembly, which is mounted on the electrical control mounting plate and located in the lower cavity. The heat pipe assembly is also connected to the air conditioning system through a second air inlet. This upgrades the heat dissipation structure from simple air cooling to a synergistic mode of air cooling + refrigerant heat dissipation. By leveraging the refrigerant circulation of the air conditioning system, the heat dissipation capacity is enhanced, breaking through the heat dissipation bottleneck of single air cooling. It is especially suitable for the heat dissipation requirements of the electrical control board under high load. Moreover, the heat pipe assembly is located in the lower cavity, which does not occupy the installation space of the electrical control board in the upper cavity, thus balancing structural compactness and improved heat dissipation performance.

[0011] Furthermore, it also includes a first heat sink and a second heat sink, with a heat pipe assembly installed between the first and second heat sinks. The first heat sink is installed on the bottom of the electrical control mounting plate. The heat pipe assembly is installed between the first and second heat sinks, and the first heat sink is in close contact with the bottom of the electrical control mounting plate. On the one hand, the heat pipe assembly is clamped and fixed by the two heat sinks, ensuring its installation stability; on the other hand, it increases the heat exchange area between the heat pipe assembly and its surroundings. Simultaneously, the first heat sink can efficiently conduct the heat transferred from the electrical control board to the electrical control mounting plate to the heat pipe assembly, strengthening the heat transfer path and allowing the refrigerant to dissipate heat more effectively, significantly improving the heat exchange efficiency and stability of the heat dissipation mechanism.

[0012] Furthermore, the first heat sink has a first semi-groove at its bottom, and the second heat sink has a corresponding second semi-groove at its top. The first and second semi-grooves interlock to form an embedded space for installing the heat sink assembly. This allows the heat sink assembly to be tightly embedded between the two heat sinks, minimizing the gap between the heat sink and the heat sink, reducing thermal resistance, and improving heat conduction efficiency. Simultaneously, the embedded structure provides excellent fixation and protection for the heat sink assembly, preventing displacement or damage due to vibration during equipment operation, ensuring long-term stable operation of the heat dissipation system. The semi-groove interlocking design also facilitates the assembly and disassembly of the heat sink assembly, improving the convenience of production and maintenance.

[0013] Furthermore, the electrical control box includes a box body and a cover plate, with the cover plate positioned on top of the box body. This separate design of the box body and cover plate, with the cover plate positioned on top of the box body, facilitates the installation, maintenance, and replacement of internal core components such as the electrical control board and electrical control mounting plate, simplifying the assembly process. Furthermore, when the cover plate is closed, it creates a sealed internal space, effectively preventing external dust and debris from entering the electrical control box, avoiding contamination of electronic components or short circuits. Simultaneously, it ensures the airtightness of the dual air ducts, preventing airflow leakage from affecting heat dissipation, and extending the equipment's service life and operational reliability.

[0014] Furthermore, the cover plate has folded edges. This not only enhances the structural rigidity of the cover plate itself, effectively preventing deformation due to long-term use or vibration and ensuring its tight seal with the box, but also serves as a positioning guide during cover plate assembly, facilitating precise alignment between the cover plate and the box. Simultaneously, the folded edges increase the contact area between the cover plate and the box, further improving the sealing performance at the connection point, reducing the impact of the external environment on the internal components of the electrical control box, and ensuring the stable operation of the heat dissipation duct and electronic components.

[0015] Furthermore, the top two sides of the box body are provided with first pleats, and the bottom two sides of the cover plate are provided with second pleats, which are connected to each other. The pleat structure increases the contact area between the box body and the cover plate, improving the firmness and stability of the connection between the two, effectively preventing the cover plate from loosening or shifting due to vibration during equipment operation. At the same time, the pleat butt joint design enhances the sealing performance at the connection, preventing leakage of heat dissipation airflow in the air duct, ensuring the airtightness and heat dissipation efficiency of the dual air ducts, and further improving the overall structural stability and reliability of the electrical control box.

[0016] Furthermore, the top of the box is equipped with an extension platform for connecting the air conditioner unit. This provides a dedicated installation benchmark and structure for connecting the control box and the air conditioner unit, making the assembly of the control box and the air conditioner unit more precise and convenient. No additional auxiliary connectors are required, simplifying the overall assembly process. At the same time, the extension platform can optimize the installation position of the control box within the air conditioner unit, ensuring that the first air inlet, the second air inlet, and the airflow path of the air conditioning system are precisely matched, ensuring smooth airflow supply to the heat dissipation duct, and improving the assembly coordination and overall operational stability of the heat dissipation structure and the air conditioner unit.

[0017] Furthermore, the top of the electrical control mounting plate is equipped with a press-fit nut post, and the electrical control board is connected to the press-fit nut post by bolts. This ensures a firm fixation between the electrical control board and the mounting plate, effectively resisting the risk of loosening caused by equipment vibration and ensuring the stability of the electrical control board installation. At the same time, the bolt connection method facilitates the disassembly, inspection, and replacement of the electrical control board, reducing maintenance costs. The press-fit nut post also ensures a stable fit or reasonable installation gap between the electrical control board and the mounting plate, ensuring that the heat generated by the electrical control board during operation can be efficiently transferred to the mounting plate. This provides a good heat transfer foundation for subsequent heat dissipation through the heat dissipation mechanism, indirectly ensuring the overall heat dissipation effect.

[0018] Compared with the prior art, the beneficial effects of this invention are as follows: (1) The electrical control box is divided into an independent upper cavity and a lower cavity by the electrical control mounting plate. With the first air inlet and the second air inlet set on the same side and the first air outlet and the second air outlet on the other side respectively, an independent first air duct and a second air duct are formed. This achieves physical isolation of the two air ducts and no cross-flow of air. This avoids the decrease in heat dissipation efficiency caused by airflow interference and makes full use of the internal space layout of the electrical control box. The upper cavity air duct can directly provide air cooling for the electrical control board installed on the top of the electrical control mounting plate. The lower cavity air duct provides an additional heat dissipation path. The design of the air inlet and outlet on the same side on both sides makes the airflow path smoother and greatly improves the heat dissipation adaptability and overall heat dissipation efficiency in a small space. (2) The air guide plate can effectively regulate the airflow discharge direction of the second air duct, avoid the airflow from spreading or becoming turbulent at the outlet, reduce the situation of heat flowing back to the lower cavity, and at the same time enhance the airtightness of the second air duct, prevent external irrelevant airflow from intruding and interfering with the heat dissipation airflow in the air duct, ensure the stable heat dissipation effect of the second air duct, and further improve the reliability of the dual air duct synergistic heat dissipation. (3) The heat dissipation pipe assembly upgrades the heat dissipation structure from simple air cooling to a synergistic mode of air cooling + refrigerant heat dissipation. It enhances the heat dissipation capacity by using the refrigerant circulation of the air conditioning system, breaking through the heat dissipation bottleneck of single air cooling. It is especially suitable for the heat dissipation needs of the control board when it is under high load. Moreover, the heat dissipation pipe assembly is located in the lower cavity, which does not occupy the installation space of the control board in the upper cavity, thus taking into account both the structural compactness and the improvement of heat dissipation performance. Attached Figure Description

[0019] Figure 1 This is an exploded view of the air conditioner electronic control heat dissipation structure in an embodiment of the present invention; Figure 2 This is a schematic diagram of the installation of the heat pipe assembly in an embodiment of the present invention; Figure 3 This is a schematic diagram of the electrical control box in an embodiment of the present invention.

[0020] In the attached diagram: 1-box body; 11-first pleated edge; 12-extension platform; 13-first air inlet; 14-first air outlet; 15-second air inlet; 16-second air outlet; 2-cover plate; 21-second pleated edge; 22-folded edge; 3-electrical control mounting plate; 31-press-fit nut column; 4-electrical control board; 5-air guide seal plate; 6-heat dissipation pipe assembly; 7-first heat dissipation plate; 71-first half-slot; 8-second heat dissipation plate; 81-second half-slot. Detailed Implementation

[0021] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0022] In the accompanying drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components. In the description of the present invention, it should be understood that if terms such as "upper," "lower," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting the present patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances. Example

[0023] An air conditioning electronically controlled heat dissipation structure, such as Figure 1 , Figure 3 As shown, the device includes an electrical control box, an electrical control board 4, and an electrical control mounting plate 3. The electrical control mounting plate 3 is fixedly installed inside the electrical control box, and the electrical control box is divided into an independent upper cavity and a lower cavity by the electrical control mounting plate 3. The electrical control board 4 is installed on the top of the electrical control mounting plate 3. The electrical control box has a first air inlet 13 and a first air outlet 14 on its two sides, which are located above the electrical control mounting plate 3. The first air inlet 13, the upper cavity, and the first air outlet 14 are connected in sequence to form a first air duct. The electrical control box has a second air inlet 15 and a second air outlet 16 at its bottom. The second air inlet 15, the lower cavity, and the second air outlet 16 are connected in sequence to form a second air duct. The first air inlet 13 and the second air inlet 15 are located on one side of the electrical control box, and the first air outlet 14 and the second air outlet 16 are located on the other side of the electrical control box.

[0024] The aforementioned air conditioning electronic control heat dissipation structure divides the electronic control box into independent upper and lower cavities via the electronic control mounting plate 3. Together with the first air inlet 13 and second air inlet 15 on the same side, and the corresponding first air outlet 14 and second air outlet 16 on the other side, they form independent first and second air ducts, respectively. This achieves physical isolation between the two air ducts and prevents cross-flow of airflow, avoiding a decrease in heat dissipation efficiency due to airflow interference. It also makes full use of the internal space layout of the electronic control box. The first air duct in the upper cavity can directly provide air cooling for the electronic control board 4 mounted on top of the electronic control mounting plate 3, while the second air duct in the lower cavity provides an additional heat dissipation path. The dual-sided same-side air inlet and outlet design makes the airflow path smoother, significantly improving the heat dissipation adaptability and overall heat dissipation efficiency in a confined space.

[0025] like Figure 1 , Figure 3As shown, the second air outlet 16 is equipped with an air guide plate 5. This effectively regulates the airflow direction of the second air duct, preventing airflow from spreading or becoming turbulent at the outlet, reducing the possibility of heat flowing back into the lower cavity, and enhancing the airtightness of the second air duct. This prevents external airflow from intruding and interfering with the heat dissipation airflow within the air duct, ensuring the stable performance of the heat dissipation effect of the second air duct, and further improving the reliability of the dual-air duct coordinated heat dissipation.

[0026] like Figure 1 As shown, the top of the electrical control mounting plate 3 is equipped with a press-fit nut post 31, and the electrical control plate 4 is connected to the press-fit nut post 31 by bolts. This ensures a firm fixation between the electrical control plate 4 and the electrical control mounting plate 3, effectively resisting the risk of loosening caused by equipment vibration and ensuring the stability of the electrical control plate 4 installation. At the same time, the bolt connection method facilitates the disassembly, inspection, and replacement of the electrical control plate 4, reducing maintenance costs. Furthermore, the press-fit nut post 31 allows the electrical control plate 4 and the electrical control mounting plate 3 to maintain a stable fit or reasonable installation gap, ensuring that the heat generated by the electrical control plate 4 during operation can be efficiently transferred to the electrical control mounting plate 3. This provides a good heat transfer foundation for subsequent heat dissipation through the heat dissipation mechanism, indirectly ensuring the overall heat dissipation effect.

[0027] like Figure 1 , Figure 3 As shown, the electrical control box includes a box body 1 and a cover plate 2, with the cover plate 2 covering the top of the box body 1. The separate design of the box body 1 and the cover plate 2, with the cover plate 2 covering the top of the box body 1, facilitates the installation, maintenance, and replacement of internal core components such as the electrical control board 4 and the electrical control mounting plate 3, simplifying the assembly process. Furthermore, when the cover plate 2 is closed, it forms a sealed internal space, effectively preventing external dust and debris from entering the electrical control box, avoiding contamination of electronic components or short circuits. Simultaneously, it ensures the airtightness of the dual air ducts, preventing airflow leakage from affecting heat dissipation, and extending the service life and operational reliability of the equipment. Example

[0028] This embodiment is similar to Embodiment 1, except that, as Figure 1 , Figure 2 As shown, it also includes a heat dissipation pipe assembly 6, which is mounted on the electrical control mounting plate 3 and located in the lower cavity. The heat dissipation pipe assembly 6 is also connected to the air conditioning system through the second air inlet 15. This upgrades the heat dissipation structure from simple air cooling to a synergistic mode of air cooling + refrigerant heat dissipation. By leveraging the refrigerant circulation of the air conditioning system, the heat dissipation capacity is enhanced, breaking through the heat dissipation bottleneck of single air cooling. It is especially suitable for the heat dissipation requirements of the electrical control board 4 under high load. Furthermore, the heat dissipation pipe assembly 6 is located in the lower cavity, which does not occupy the installation space of the electrical control board 4 in the upper cavity, thus balancing structural compactness and improved heat dissipation performance.

[0029] like Figure 1 , Figure 2As shown, it also includes a first heat sink 7 and a second heat sink 8, with a heat pipe assembly 6 installed between the first heat sink 7 and the second heat sink 8. The first heat sink 7 is installed at the bottom of the electrical control mounting plate 3. The heat pipe assembly 6 is installed between the first heat sink 7 and the second heat sink 8, and the first heat sink 7 is in close contact with the bottom of the electrical control mounting plate 3. On the one hand, the heat sink assembly 6 is clamped and fixed by the two heat sinks, ensuring its installation stability; on the other hand, it increases the heat exchange area between the heat sink assembly 6 and its surroundings. Simultaneously, the first heat sink 7 can efficiently conduct the heat transferred from the electrical control board 4 to the electrical control mounting plate 3 to the heat sink assembly 6, strengthening the heat transfer path and allowing the refrigerant to dissipate heat more effectively, significantly improving the heat exchange efficiency and stability of the heat dissipation mechanism.

[0030] like Figure 2 As shown, the first heat sink 7 has a first semi-groove 71 at its bottom, and the second heat sink 8 has a second semi-groove 81 at its top corresponding to the first semi-groove 71. The first semi-groove 71 and the second semi-groove 81 are joined to form an embedded space for installing the heat sink assembly 6. This allows the heat sink assembly 6 to be tightly embedded between the two heat sinks, minimizing the gap between the heat sink and the heat sink, reducing thermal resistance, and improving heat conduction efficiency. At the same time, the embedded structure provides good fixation and protection for the heat sink assembly 6, preventing it from shifting or being damaged due to vibration during equipment operation, ensuring the long-term stable operation of the heat dissipation system. Furthermore, the semi-groove joining design facilitates the assembly and disassembly of the heat sink assembly 6, improving the convenience of production and maintenance. Example

[0031] This embodiment is similar to Embodiment 1 or Embodiment 2, except that, as Figure 1 , Figure 3 As shown, the edge of the cover plate 2 is provided with a folded edge 22. This not only enhances the structural rigidity of the cover plate 2 itself, effectively preventing deformation of the cover plate 2 due to long-term use or vibration, and ensuring its tightness and sealing with the box body 1, but also plays a positioning and guiding role during the assembly of the cover plate 2, facilitating precise docking between the cover plate 2 and the box body 1. At the same time, the folded edge 22 can increase the contact area between the cover plate 2 and the box body 1, further improving the sealing performance at the connection, reducing the impact of the external environment on the internal components of the electrical control box, and ensuring the stable operation of the heat dissipation duct and electronic components.

[0032] like Figure 1 , Figure 3As shown, the top two sides of the box body 1 are respectively provided with first pleats 11, and the bottom two sides of the cover plate 2 are respectively provided with second pleats 21, with the first pleats 11 and the second pleats 21 connected. The pleat structure increases the contact area between the box body 1 and the cover plate 2, improving the firmness and stability of the connection between the two, effectively preventing the cover plate 2 from loosening or shifting due to vibration during equipment operation. At the same time, the pleat butt joint design enhances the sealing performance at the connection, preventing leakage of heat dissipation airflow in the air duct, ensuring the airtightness and heat dissipation efficiency of the dual air ducts, and further improving the overall stability and reliability of the electrical control box structure.

[0033] like Figure 1 , Figure 3 As shown, the top of the box 1 is also provided with an extension platform 12 for connecting the air conditioner body. This provides a dedicated installation benchmark and structure for the connection between the electrical control box and the air conditioner body, making the assembly of the electrical control box and the air conditioner body more precise and convenient. No additional auxiliary connecting parts are required, simplifying the overall assembly process. At the same time, the extension platform 12 can optimize the installation position of the electrical control box in the air conditioner body, ensuring that the first air inlet 13 and the second air inlet 15 are precisely matched with the airflow path of the air conditioning system, ensuring smooth airflow supply to the heat dissipation duct, and improving the assembly coordination and overall operational stability of the heat dissipation structure and the air conditioner body.

[0034] The working process of this invention is as follows: After the air conditioning system is started, the cover plate 2 of the electrical control box and the box body 1 are tightly fitted together through the pleated structure to form a closed internal space, preventing the leakage of heat dissipation airflow and the intrusion of external impurities; the electrical control board 4 is connected to the power supply and starts to work. The heat generated during its operation is first transferred through the contact surface with the electrical control mounting plate 3. Due to the fastening effect of the rivet nut column 31, the electrical control board 4 and the electrical control mounting plate 3 remain stably fitted together.

[0035] Meanwhile, the air conditioning system drives airflow into two independent air ducts: For the first air duct in the upper cavity, airflow enters the upper cavity from the first air inlet 13 on one side of the control box, forming a directional flow within the upper cavity. During this process, it directly carries away heat from the surface and surrounding area of ​​the control board 4. The heat-laden airflow then exits from the corresponding first air outlet 14 on the other side of the control box, completing the air-cooling cycle in the upper cavity. For the second air duct in the lower cavity, airflow enters the lower cavity from the second air inlet 15 on the same side. At this time, the heat dissipation pipe assembly 6 in the lower cavity is connected to the air conditioning system through the second air inlet 15, and the refrigerant is dissipated. The airflow circulates within the tube assembly 6, which is embedded in the semi-groove between the first heat sink 7 and the second heat sink 8. The first heat sink 7 is tightly attached to the bottom of the electrical control mounting plate 3, efficiently transferring the heat from the electrical control mounting plate 3 to the heat sink assembly 6. When the airflow passes through the lower cavity, it exchanges heat with the heat sink assembly 6, carrying away the heat after the refrigerant is cooled. On the other hand, it comes into contact with the first and second heat sinks 8 to further absorb heat. Finally, under the orderly guidance of the air guide plate 5, the airflow is discharged in an orderly manner from the second air outlet 16, completing the coordinated heat dissipation cycle of air cooling and refrigerant in the lower cavity.

[0036] This invention uses an electrical control mounting plate 3 to divide the electrical control box into independent upper and lower cavities. Combined with the first air inlet 13 and second air inlet 15 on the same side and the corresponding first air outlet 14 and second air outlet 16 on the other side, independent first and second air ducts are formed, achieving physical isolation and no cross-flow of air between the two ducts. This avoids reduced heat dissipation efficiency due to airflow interference and fully utilizes the internal space of the electrical control box. The upper cavity air duct can directly provide air cooling for the electrical control board 4 mounted on top of the electrical control mounting plate 3, while the lower cavity air duct provides an additional heat dissipation path. The dual-sided, same-side air inlet and outlet design makes the airflow path smoother, significantly improving the heat dissipation adaptability and overall heat dissipation efficiency in a confined space; the air guide plate 5 can... The second air duct effectively regulates the airflow direction, preventing airflow diffusion or turbulence at the outlet and reducing heat backflow into the lower cavity. It also enhances the airtightness of the second air duct, preventing external airflow from interfering with the heat dissipation airflow within the duct, ensuring stable heat dissipation performance of the second air duct, and further improving the reliability of dual-air duct synergistic heat dissipation. The heat pipe assembly 6 upgrades the heat dissipation structure from simple air cooling to a synergistic mode of air cooling + refrigerant heat dissipation. It enhances heat dissipation capacity by utilizing the refrigerant circulation of the air conditioning system, breaking through the heat dissipation bottleneck of single air cooling. It is especially suitable for the heat dissipation requirements of the electronic control board 4 under high load. Moreover, the heat pipe assembly 6 is located in the lower cavity, which does not occupy the installation space of the upper cavity electronic control board 4, thus balancing structural compactness and improved heat dissipation performance.

[0037] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.

[0038] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. An air conditioner electronically controlled heat dissipation structure, characterized in that, The device includes an electrical control box, an electrical control board (4), and an electrical control mounting plate (3). The electrical control mounting plate (3) is fixedly installed inside the electrical control box, and the electrical control box is divided into an independent upper cavity and a lower cavity by the electrical control mounting plate (3). The electrical control board (4) is installed on the top of the electrical control mounting plate (3). The electrical control box has a first air inlet (13) and a first air outlet (14) located above the electrical control mounting plate (3) on both sides. The first air inlet (13), the upper cavity, and the first air outlet (14) are connected in sequence to form a first air duct. The electrical control box has a second air inlet (15) and a second air outlet (16) at the bottom. The second air inlet (15), the lower cavity, and the second air outlet (16) are connected in sequence to form a second air duct. The first air inlet (13) and the second air inlet (15) are located on one side of the electrical control box, and the first air outlet (14) and the second air outlet (16) are located on the other side of the electrical control box.

2. The air conditioning electronically controlled heat dissipation structure according to claim 1, characterized in that, The second air outlet (16) is equipped with an air guide seal plate (5).

3. The air conditioning electronically controlled heat dissipation structure according to claim 1, characterized in that, It also includes a heat dissipation pipe assembly (6), which is mounted on the electrical control mounting plate (3) and located in the lower cavity. The heat dissipation pipe assembly (6) is also connected to the air conditioning system through the second air inlet (15).

4. The air conditioning electronically controlled heat dissipation structure according to claim 3, characterized in that, It also includes a first heat sink (7) and a second heat sink (8), the heat pipe assembly (6) is installed between the first heat sink (7) and the second heat sink (8), and the first heat sink (7) is installed at the bottom of the electrical control mounting plate (3).

5. The air conditioning electronically controlled heat dissipation structure according to claim 4, characterized in that, The first heat sink (7) has a first half-groove (71) at the bottom, and the second heat sink (8) has a second half-groove (81) at the top corresponding to the first half-groove (71). The first half-groove (71) and the second half-groove (81) are connected to form an embedded space for installing the heat sink assembly (6).

6. The air conditioning electronically controlled heat dissipation structure according to claim 1, characterized in that, The electrical control box includes a box body (1) and a cover plate (2), with the cover plate (2) covering the top of the box body (1).

7. The air conditioning electronically controlled heat dissipation structure according to claim 6, characterized in that, The edge of the cover plate (2) is provided with a folded edge (22).

8. The air conditioning electronically controlled heat dissipation structure according to claim 6, characterized in that, The top two sides of the box body (1) are provided with first pleated edges (11), and the bottom two sides of the cover plate (2) are provided with second pleated edges (21). The first pleated edges (11) and the second pleated edges (21) are connected.

9. The air conditioning electronically controlled heat dissipation structure according to claim 6, characterized in that, The top of the box (1) is also provided with an extension platform (12) for connecting the air conditioner body.

10. The air conditioning electronically controlled heat dissipation structure according to any one of claims 1 to 9, characterized in that, The top of the electrical control mounting plate (3) is provided with a press-fit nut column (31), and the electrical control plate (4) is connected to the press-fit nut column (31) by bolts.

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